CVE-2016-10196
high
CVSS v3
7.5
CVSS v4 NEW
—
VIR risk
7.5
Description
Stack-based buffer overflow in the evutil_parse_sockaddr_port function in evutil.c in libevent before 2.1.6-beta allows attackers to cause a denial of service (segmentation fault) via vectors involving a long string in brackets in the ip_as_string argument.
Predictions
Exploit likelihood
83%
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
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 2.0.21-stable-3 |
| debian | bullseye | fixed | 2.0.21-stable-3 |
| debian | forky | fixed | 2.0.21-stable-3 |
| debian | sid | fixed | 2.0.21-stable-3 |
| debian | trixie | fixed | 2.0.21-stable-3 |
| debian | 8.0 | affected | |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| libevent_project | libevent | {"endIncluding":"2.1.5"} | |
| mozilla | firefox | {"endExcluding":"45.9.0"} | 45.9.0 |
| mozilla | firefox | 52.0 | |
| mozilla | thunderbird | {"endExcluding":"52.1.0"} | 52.1.0 |
References
- https://www.suse.com/security/cve/CVE-2016-10196.html
- http://www.debian.org/security/2017/dsa-3789
- http://www.openwall.com/lists/oss-security/2017/01/31/17
- http://www.openwall.com/lists/oss-security/2017/02/02/7
- http://www.securityfocus.com/bid/96014
- http://www.securitytracker.com/id/1038320
- https://access.redhat.com/errata/RHSA-2017:1104
- https://access.redhat.com/errata/RHSA-2017:1106
- https://access.redhat.com/errata/RHSA-2017:1201
- https://bugzilla.mozilla.org/show_bug.cgi?id=1343453
- https://github.com/libevent/libevent/blob/release-2.1.6-beta/ChangeLog
- https://github.com/libevent/libevent/commit/329acc18a0768c21ba22522f01a5c7f46cacc4d5
- https://github.com/libevent/libevent/issues/318
- https://security.gentoo.org/glsa/201705-01
- https://www.mozilla.org/security/advisories/mfsa2017-10/
- https://www.mozilla.org/security/advisories/mfsa2017-11/
- https://www.mozilla.org/security/advisories/mfsa2017-12/
- https://www.mozilla.org/security/advisories/mfsa2017-13/
- https://security-tracker.debian.org/tracker/CVE-2016-10196
CWEs
CWE-787
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.