CVEs from 2021

4,786 normalized CVEs published or assigned in this year.

Total
4,786
critical
critical 281
high
high 1,022
medium
medium 1,179
low
low 138
% Critical
5.9%
% with KEV
4.5%
% with exploit
5.3%

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CVE Severity CVSS Risk Flags OS Vendor Published Description
CVE-2021-33624 medium 5.5 In kernel/bpf/verifier.c in the Linux kernel before 5.12.13, a branch can be mispredicted (e.g., because of type confusion) and consequently an unprivileged BPF program can read arbitrary memory loca…
CVE-2021-32606 medium 5.5 In the Linux kernel 5.11 through 5.12.2, isotp_setsockopt in net/can/isotp.c allows privilege escalation to root by leveraging a use-after-free. (This does not affect earlier versions that lack CAN I…
CVE-2021-32078 medium 5.5 An Out-of-Bounds Read was discovered in arch/arm/mach-footbridge/personal-pci.c in the Linux kernel through 5.12.11 because of the lack of a check for a value that shouldn't be negative, e.g., access…
CVE-2021-29647 medium 5.5 An issue was discovered in the Linux kernel before 5.11.11. qrtr_recvmsg in net/qrtr/qrtr.c allows attackers to obtain sensitive information from kernel memory because of a partially uninitialized da…
CVE-2021-29266 medium 5.5 An issue was discovered in the Linux kernel before 5.11.9. drivers/vhost/vdpa.c has a use-after-free because v->config_ctx has an invalid value upon re-opening a character device, aka CID-f6bbf0010ba…
CVE-2021-29648 medium 5.5 An issue was discovered in the Linux kernel before 5.11.11. The BPF subsystem does not properly consider that resolved_ids and resolved_sizes are intentionally uninitialized in the vmlinux BPF Type F…
CVE-2021-28952 medium 5.5 An issue was discovered in the Linux kernel through 5.11.8. The sound/soc/qcom/sdm845.c soundwire device driver has a buffer overflow when an unexpected port ID number is encountered, aka CID-1c668e1…
CVE-2021-41990 medium 5.5 The gmp plugin in strongSwan before 5.9.4 has a remote integer overflow via a crafted certificate with an RSASSA-PSS signature. For example, this can be triggered by an unrelated self-signed CA certi…
CVE-2021-3618 medium 5.5 ALPACA is an application layer protocol content confusion attack, exploiting TLS servers implementing different protocols but using compatible certificates, such as multi-domain or wildcard certifica…
CVE-2021-26932 medium 5.5 An issue was discovered in the Linux kernel 3.2 through 5.10.16, as used by Xen. Grant mapping operations often occur in batch hypercalls, where a number of operations are done in a single hypercall,…
CVE-2021-26931 medium 5.5 An issue was discovered in the Linux kernel 2.6.39 through 5.10.16, as used in Xen. Block, net, and SCSI backends consider certain errors a plain bug, deliberately causing a kernel crash. For errors …
CVE-2021-23134 medium 5.5 Use After Free vulnerability in nfc sockets in the Linux Kernel before 5.12.4 allows local attackers to elevate their privileges. In typical configurations, the issue can only be triggered by a privi…
CVE-2021-20268 medium 5.5 An out-of-bounds access flaw was found in the Linux kernel's implementation of the eBPF code verifier in the way a user running the eBPF script calls dev_map_init_map or sock_map_alloc. This flaw all…
CVE-2021-20226 medium 5.5 A use-after-free flaw was found in the io_uring in Linux kernel, where a local attacker with a user privilege could cause a denial of service problem on the system The issue results from the lack of …
CVE-2021-26933 medium 5.5 An issue was discovered in Xen 4.9 through 4.14.x. On Arm, a guest is allowed to control whether memory accesses are bypassing the cache. This means that Xen needs to ensure that all writes (such as …
CVE-2021-37156 medium 5.5 Redmine 4.2.0 and 4.2.1 allow existing user sessions to continue upon enabling two-factor authentication for the user's account, but the intended behavior is for those sessions to be terminated.
CVE-2021-25321 medium 5.5 A UNIX Symbolic Link (Symlink) Following vulnerability in arpwatch of SUSE Linux Enterprise Server 11-SP4-LTSS, SUSE Manager Server 4.0, SUSE OpenStack Cloud Crowbar 9; openSUSE Factory, Leap 15.2 al…
CVE-2021-23165 medium 5.5 A flaw was found in htmldoc before v1.9.12. Heap buffer overflow in pspdf_prepare_outpages(), in ps-pdf.cxx may lead to execute arbitrary code and denial of service.
CVE-2021-3905 medium 5.5 A memory leak was found in Open vSwitch (OVS) during userspace IP fragmentation processing. An attacker could use this flaw to potentially exhaust available memory by keeping sending packet fragments.
CVE-2021-34529 medium 5.5 arbitrary code execution in code
CVE-2021-40516 medium 5.5 WeeChat before 3.2.1 allows remote attackers to cause a denial of service (crash) via a crafted WebSocket frame that trigger an out-of-bounds read in plugins/relay/relay-websocket.c in the Relay plug…
CVE-2021-34555 medium 5.5 OpenDMARC 1.4.1 and 1.4.1.1 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a multi-value From header field.
CVE-2021-30577 medium 5.5 Insufficient policy enforcement in Installer in Google Chrome prior to 92.0.4515.107 allowed a remote attacker to perform local privilege escalation via a crafted file.
CVE-2021-23210 medium 5.5 A floating point exception (divide-by-zero) issue was discovered in SoX in functon read_samples() of voc.c file. An attacker with a crafted file, could cause an application to crash.
CVE-2021-44542 medium 5.5 A memory leak vulnerability was found in Privoxy when handling errors.
CVE-2021-38115 medium 5.5 read_header_tga in gd_tga.c in the GD Graphics Library (aka LibGD) through 2.3.2 allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted TGA file.
CVE-2021-32439 medium 5.5 Buffer overflow in the stbl_AppendSize function in MP4Box in GPAC 1.0.1 allows attackers to cause a denial of service or execute arbitrary code via a crafted file.
CVE-2021-33363 medium 5.5 Memory leak in the infe_box_read function in MP4Box in GPAC 1.0.1 allows attackers to read memory via a crafted file.
CVE-2021-32294 medium 5.5 An issue was discovered in libgig through 20200507. A heap-buffer-overflow exists in the function RIFF::List::GetSubList located in RIFF.cpp. It allows an attacker to cause code Execution.
CVE-2021-43518 medium 5.5 Teeworlds up to and including 0.7.5 is vulnerable to Buffer Overflow. A map parser does not validate m_Channels value coming from a map file, leading to a buffer overflow. A malicious server may offe…
CVE-2021-31254 medium 5.5 Buffer overflow in the tenc_box_read function in MP4Box in GPAC 1.0.1 allows attackers to cause a denial of service or execute arbitrary code via a crafted file, related invalid IV sizes.
CVE-2021-21859 medium 5.5 An exploitable integer truncation vulnerability exists within the MPEG-4 decoding functionality of the GPAC Project on Advanced Content library v1.0.1. The stri_box_read function is used when process…
CVE-2021-21861 medium 5.5 An exploitable integer truncation vulnerability exists within the MPEG-4 decoding functionality of the GPAC Project on Advanced Content library v1.0.1. When processing the 'hdlr' FOURCC code, a speci…
CVE-2021-21846 medium 5.5 Multiple exploitable integer overflow vulnerabilities exist within the MPEG-4 decoding functionality of the GPAC Project on Advanced Content library v1.0.1. A specially crafted MPEG-4 input in “stsz”…
CVE-2021-21838 medium 5.5 Multiple exploitable integer overflow vulnerabilities exist within the MPEG-4 decoding functionality of the GPAC Project on Advanced Content library v1.0.1. A specially crafted MPEG-4 input can cause…
CVE-2021-33481 medium 5.5 A stack-based buffer overflow vulnerability was discovered in gocr through 0.53-20200802 in try_to_divide_boxes() in pgm2asc.c.
CVE-2021-21849 medium 5.5 An exploitable integer overflow vulnerability exists within the MPEG-4 decoding functionality of the GPAC Project on Advanced Content library v1.0.1. A specially crafted MPEG-4 input can cause an int…
CVE-2021-29653 medium 5.5 certificate verification bypass in vault
CVE-2021-34338 medium 5.5 multiple issues in ming
CVE-2021-20285 medium 5.5 A flaw was found in upx canPack in p_lx_elf.cpp in UPX 3.96. This flaw allows attackers to cause a denial of service (SEGV or buffer overflow and application crash) or possibly have unspecified other…
CVE-2021-21848 medium 5.5 An exploitable integer overflow vulnerability exists within the MPEG-4 decoding functionality of the GPAC Project on Advanced Content library v1.0.1. The library will actually reuse the parser for at…
CVE-2021-37231 medium 5.5 A stack-buffer-overflow occurs in Atomicparsley 20210124.204813.840499f through APar_readX() in src/util.cpp while parsing a crafted mp4 file because of the missing boundary check.
CVE-2021-23159 medium 5.5 A vulnerability was found in SoX, where a heap-buffer-overflow occurs in function lsx_read_w_buf() in formats_i.c file. The vulnerability is exploitable with a crafted file, that could cause an appli…
CVE-2021-26259 medium 5.5 A flaw was found in htmldoc in v1.9.12. Heap buffer overflow in render_table_row(),in ps-pdf.cxx may lead to arbitrary code execution and denial of service.
CVE-2021-20292 medium 5.5 There is a flaw reported in the Linux kernel in versions before 5.9 in drivers/gpu/drm/nouveau/nouveau_sgdma.c in nouveau_sgdma_create_ttm in Nouveau DRM subsystem. The issue results from the lack of…
CVE-2021-29968 medium 5.5 When drawing text onto a canvas with WebRender disabled, an out of bounds read could occur. *This bug only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability aff…
CVE-2021-20229 medium 5.5 A flaw was found in PostgreSQL in versions before 13.2. This flaw allows a user with SELECT privilege on one column to craft a special query that returns all columns of the table. The highest threat …
CVE-2021-28166 medium 5.5 In Eclipse Mosquitto version 2.0.0 to 2.0.9, if an authenticated client that had connected with MQTT v5 sent a crafted CONNACK message to the broker, a NULL pointer dereference would occur.
CVE-2021-34434 medium 5.5 In Eclipse Mosquitto versions 2.0 to 2.0.11, when using the dynamic security plugin, if the ability for a client to make subscriptions on a topic is revoked when a durable client is offline, then exi…
CVE-2021-42373 medium 5.5 A NULL pointer dereference in Busybox's man applet leads to denial of service when a section name is supplied but no page argument is given
CVE-2021-26937 medium 5.5 encoding.c in GNU Screen through 4.8.0 allows remote attackers to cause a denial of service (invalid write access and application crash) or possibly have unspecified other impact via a crafted UTF-8 …
CVE-2021-39537 medium 5.5 An issue was discovered in ncurses through v6.2-1. _nc_captoinfo in captoinfo.c has a heap-based buffer overflow.
CVE-2021-3700 medium 5.5 A use-after-free vulnerability was found in usbredir in versions prior to 0.11.0 in the usbredirparser_serialize() in usbredirparser/usbredirparser.c. This issue occurs when serializing large amounts…
CVE-2021-30471 medium 5.5 A flaw was found in PoDoFo 0.9.7. An uncontrolled recursive call in PdfNamesTree::AddToDictionary function in src/podofo/doc/PdfNamesTree.cpp can lead to a stack overflow.
CVE-2021-23191 medium 5.5 A security issue was found in htmldoc v1.9.12 and before. A NULL pointer dereference in the function image_load_jpeg() in image.cxx may result in denial of service.
CVE-2021-21858 medium 5.5 Multiple exploitable integer overflow vulnerabilities exist within the MPEG-4 decoding functionality of the GPAC Project on Advanced Content library v1.0.1. A specially crafted MPEG-4 input can cause…
CVE-2021-31211 medium 5.5 arbitrary code execution in code
CVE-2021-28038 medium 5.5 An issue was discovered in the Linux kernel through 5.11.3, as used with Xen PV. A certain part of the netback driver lacks necessary treatment of errors such as failed memory allocations (as a resul…
CVE-2021-22172 medium 5.5 information disclosure in gitlab
CVE-2021-34477 medium 5.5 privilege escalation in code
CVE-2021-28688 medium 5.5 The fix for XSA-365 includes initialization of pointers such that subsequent cleanup code wouldn't use uninitialized or stale values. This initialization went too far and may under certain conditions…
CVE-2021-3598 medium 5.5 There's a flaw in OpenEXR's ImfDeepScanLineInputFile functionality in versions prior to 3.0.5. An attacker who is able to submit a crafted file to an application linked with OpenEXR could cause an ou…
CVE-2021-28951 medium 5.5 An issue was discovered in fs/io_uring.c in the Linux kernel through 5.11.8. It allows attackers to cause a denial of service (deadlock) because exit may be waiting to park a SQPOLL thread, but concu…
CVE-2021-28964 medium 5.5 A race condition was discovered in get_old_root in fs/btrfs/ctree.c in the Linux kernel through 5.11.8. It allows attackers to cause a denial of service (BUG) because of a lack of locking on an exten…
CVE-2021-22879 medium 5.5 Nextcloud Desktop Client prior to 3.1.3 is vulnerable to resource injection by way of missing validation of URLs, allowing a malicious server to execute remote commands. User interaction is needed fo…
CVE-2021-28972 medium 5.5 In drivers/pci/hotplug/rpadlpar_sysfs.c in the Linux kernel through 5.11.8, the RPA PCI Hotplug driver has a user-tolerable buffer overflow when writing a new device name to the driver from userspace…
CVE-2021-3505 medium 5.5 A flaw was found in libtpms in versions before 0.8.0. The TPM 2 implementation returns 2048 bit keys with ~1984 bit strength due to a bug in the TCG specification. The bug is in the key creation algo…
CVE-2021-29264 medium 5.5 An issue was discovered in the Linux kernel through 5.11.10. drivers/net/ethernet/freescale/gianfar.c in the Freescale Gianfar Ethernet driver allows attackers to cause a system crash because a negat…
CVE-2021-29649 medium 5.5 An issue was discovered in the Linux kernel before 5.11.11. The user mode driver (UMD) has a copy_process() memory leak, related to a lack of cleanup steps in kernel/usermode_driver.c and kernel/bpf/…
CVE-2021-38492 medium 5.5 When delegating navigations to the operating system, Firefox would accept the `mk` scheme which might allow attackers to launch pages and execute scripts in Internet Explorer in unprivileged mode. *T…
CVE-2021-42379 medium 5.5 A use-after-free in Busybox's awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the next_input_file function
CVE-2021-32277 medium 5.5 An issue was discovered in faad2 through 2.10.0. A heap-buffer-overflow exists in the function sbr_qmf_analysis_32 located in sbr_qmf.c. It allows an attacker to cause code Execution.
CVE-2021-38171 medium 5.5 adts_decode_extradata in libavformat/adtsenc.c in FFmpeg 4.4 does not check the init_get_bits return value, which is a necessary step because the second argument to init_get_bits can be crafted.
CVE-2021-32138 medium 5.5 The DumpTrackInfo function in GPAC 1.0.1 allows attackers to cause a denial of service (NULL pointer dereference) via a crafted file in the MP4Box command.
CVE-2021-32268 medium 5.5 Buffer overflow vulnerability in function gf_fprintf in os_file.c in gpac before 1.0.1 allows attackers to execute arbitrary code. The fixed version is 1.0.1.
CVE-2021-33815 medium 5.5 dwa_uncompress in libavcodec/exr.c in FFmpeg 4.4 allows an out-of-bounds array access because dc_count is not strictly checked.
CVE-2021-32271 medium 5.5 An issue was discovered in gpac through 20200801. A stack-buffer-overflow exists in the function DumpRawUIConfig located in odf_dump.c. It allows an attacker to cause code Execution.
CVE-2021-21852 medium 5.5 Multiple exploitable integer overflow vulnerabilities exist within the MPEG-4 decoding functionality of the GPAC Project on Advanced Content library v1.0.1. A specially crafted MPEG-4 input at “stss”…
CVE-2021-3578 medium 5.5 A flaw was found in mbsync before v1.3.6 and v1.4.2, where an unchecked pointer cast allows a malicious or compromised server to write an arbitrary integer value past the end of a heap-allocated stru…
CVE-2021-21850 medium 5.5 An exploitable integer overflow vulnerability exists within the MPEG-4 decoding functionality of the GPAC Project on Advanced Content library v1.0.1. A specially crafted MPEG-4 input can cause an int…
CVE-2021-20307 medium 5.5 Format string vulnerability in panoFileOutputNamesCreate() in libpano13 2.9.20~rc2+dfsg-3 and earlier can lead to read and write arbitrary memory values.
CVE-2021-38295 medium 5.5 privilege escalation in couchdb
CVE-2021-3588 medium 5.5 The cli_feat_read_cb() function in src/gatt-database.c does not perform bounds checks on the 'offset' variable before using it as an index into an array for reading.
CVE-2021-32273 medium 5.5 An issue was discovered in faad2 through 2.10.0. A stack-buffer-overflow exists in the function ftypin located in mp4read.c. It allows an attacker to cause Code Execution.
CVE-2021-3530 medium 5.5 A flaw was discovered in GNU libiberty within demangle_path() in rust-demangle.c, as distributed in GNU Binutils version 2.36. A crafted symbol can cause stack memory to be exhausted leading to a cra…
CVE-2021-30019 medium 5.5 In the adts_dmx_process function in filters/reframe_adts.c in GPAC 1.0.1, a crafted file may cause ctx->hdr.frame_size to be smaller than ctx->hdr.hdr_size, resulting in size to be a negative number …
CVE-2021-20314 medium 5.5 Stack buffer overflow in libspf2 versions below 1.2.11 when processing certain SPF macros can lead to Denial of service and potentially code execution via malicious crafted SPF explanation messages.
CVE-2021-30501 medium 5.5 An assertion abort was found in upx MemBuffer::alloc() in mem.cpp, in version UPX 4.0.0. The flow allows attackers to cause a denial of service (abort) via a crafted file.
CVE-2021-30500 medium 5.5 Null pointer dereference was found in upx PackLinuxElf::canUnpack() in p_lx_elf.cpp,in version UPX 4.0.0. That allow attackers to execute arbitrary code and cause a denial of service via a crafted fi…
CVE-2021-33362 medium 5.5 Stack buffer overflow in the hevc_parse_vps_extension function in MP4Box in GPAC 1.0.1 allows attackers to cause a denial of service or execute arbitrary code via a crafted file.
CVE-2021-30158 medium 5.5 An issue was discovered in MediaWiki before 1.31.12 and 1.32.x through 1.35.x before 1.35.2. Blocked users are unable to use Special:ResetTokens. This has security relevance because a blocked user mi…
CVE-2021-41799 medium 5.5 MediaWiki before 1.36.2 allows a denial of service (resource consumption because of lengthy query processing time). ApiQueryBacklinks (action=query&list=backlinks) can cause a full table scan.
CVE-2021-41798 medium 5.5 MediaWiki before 1.36.2 allows XSS. Month related MediaWiki messages are not escaped before being used on the Special:Search results page.
CVE-2021-36773 medium 5.5 uBlock Origin before 1.36.2 and nMatrix before 4.4.9 support an arbitrary depth of parameter nesting for strict blocking, which allows crafted web sites to cause a denial of service (unbounded recurs…
CVE-2021-32055 medium 5.5 Mutt 1.11.0 through 2.0.x before 2.0.7 (and NeoMutt 2019-10-25 through 2021-05-04) has a $imap_qresync issue in which imap/util.c has an out-of-bounds read in situations where an IMAP sequence set en…
CVE-2021-28213 medium 5.5 Example EDK2 encrypted private key in the IpSecDxe.efi present potential security risks.
CVE-2021-3623 medium 5.5 A flaw was found in libtpms. The flaw can be triggered by specially-crafted TPM 2 command packets containing illegal values and may lead to an out-of-bounds access when the volatile state of the TPM …
CVE-2021-3770 medium 5.5 vim is vulnerable to Heap-based Buffer Overflow
CVE-2021-3483 medium 5.5 A flaw was found in the Nosy driver in the Linux kernel. This issue allows a device to be inserted twice into a doubly-linked list, leading to a use-after-free when one of these devices is removed. T…
CVE-2021-32278 medium 5.5 An issue was discovered in faad2 through 2.10.0. A heap-buffer-overflow exists in the function lt_prediction located in lt_predict.c. It allows an attacker to cause code Execution.