CVE-2016-7167
critical
CVSS v3
9.8
CVSS v4 NEW
—
VIR risk
9.8
Description
Multiple integer overflows in the (1) curl_escape, (2) curl_easy_escape, (3) curl_unescape, and (4) curl_easy_unescape functions in libcurl before 7.50.3 allow attackers to have unspecified impact via a string of length 0xffffffff, which triggers a heap-based buffer overflow.
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 3 releases
| Version | Status | Fixed in |
|---|---|---|
| 25 | Affected | — |
| 24 | Affected | — |
| 23 | Affected | — |
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Arch Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Fixed | 7.50.3-1 |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 7.51.0-1 |
| sid | Fixed | 7.51.0-1 |
| forky | Fixed | 7.51.0-1 |
| bullseye | Fixed | 7.51.0-1 |
| bookworm | Fixed | 7.51.0-1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| haxx | libcurl | {"endIncluding":"7.50.2"} | |
References
- https://security.archlinux.org/ASA-201609-18
- https://security.archlinux.org/ASA-201609-19
- http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
- http://www.securityfocus.com/bid/92975
- http://www.securitytracker.com/id/1036813
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.538632
- https://access.redhat.com/errata/RHSA-2017:2016
- https://access.redhat.com/errata/RHSA-2018:2486
- https://access.redhat.com/errata/RHSA-2018:3558
- https://curl.haxx.se/docs/adv_20160914.html
- https://lists.debian.org/debian-lts-announce/2018/11/msg00005.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/B3IU2FRXQNU6UJIQT4NGLWWTP2GJQXO7/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LTH54DFOS4TSYPG5XKJDGAG4XPAR4T7M/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZMRWVISG7VUCYRMF23A2UHMYD72VQWAK/
- https://security.gentoo.org/glsa/201701-47
- https://www.suse.com/security/cve/CVE-2016-7167.html
- https://security-tracker.debian.org/tracker/CVE-2016-7167
CWEs
CWE-190
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.