CVE-2015-8778
critical
CVSS v3
9.8
CVSS v4 NEW
—
VIR risk
9.8
Description
Integer overflow in the GNU C Library (aka glibc or libc6) before 2.23 allows context-dependent attackers to cause a denial of service (application crash) or possibly execute arbitrary code via the size argument to the __hcreate_r function, which triggers out-of-bounds heap-memory access.
Predictions
Exploit likelihood
97%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Fedora Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| 23 | Affected | — |
SUSE Affected 3 releases
| Version | Status | Fixed in |
|---|---|---|
| 13.2 | Affected | — |
| 12 | Affected | — |
| 11 | Affected | — |
Ubuntu Affected 3 releases
| Version | Status | Fixed in |
|---|---|---|
| 15.10 | Affected | — |
| 14.04 | Affected | — |
| 12.04 | Affected | — |
Debian Mixed 6 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 2.21-8 |
| sid | Fixed | 2.21-8 |
| forky | Fixed | 2.21-8 |
| bullseye | Fixed | 2.21-8 |
| bookworm | Fixed | 2.21-8 |
| 8.0 | Affected | — |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| gnu | glibc | {"endIncluding":"2.22"} | |
| suse | linux_enterprise_debuginfo | 11 | |
References
- http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184626.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00037.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00038.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00039.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00042.html
- http://packetstormsecurity.com/files/154361/Cisco-Device-Hardcoded-Credentials-GNU-glibc-BusyBox.html
- http://rhn.redhat.com/errata/RHSA-2017-0680.html
- http://seclists.org/fulldisclosure/2019/Sep/7
- http://www.debian.org/security/2016/dsa-3480
- http://www.debian.org/security/2016/dsa-3481
- http://www.openwall.com/lists/oss-security/2016/01/19/11
- http://www.openwall.com/lists/oss-security/2016/01/20/1
- http://www.securityfocus.com/bid/83275
- http://www.ubuntu.com/usn/USN-2985-1
- http://www.ubuntu.com/usn/USN-2985-2
- https://access.redhat.com/errata/RHSA-2017:1916
- https://seclists.org/bugtraq/2019/Sep/7
- https://security.gentoo.org/glsa/201602-02
- https://security.gentoo.org/glsa/201702-11
- https://sourceware.org/bugzilla/show_bug.cgi?id=18240
- https://www.sourceware.org/ml/libc-alpha/2016-02/msg00502.html
- https://security-tracker.debian.org/tracker/CVE-2015-8778
CWEs
CWE-119
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.