CVE-2016-7969
high
CVSS v3
7.5
CVSS v4 NEW
—
VIR risk
7.5
Description
The wrap_lines_smart function in ass_render.c in libass before 0.13.4 allows remote attackers to cause a denial of service (out-of-bounds read) via unspecified vectors, related to "0/3 line wrapping equalization."
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
Fedora Affected 3 releases
| Version | Status | Fixed in |
|---|---|---|
| 25 | Affected | — |
| 24 | Affected | — |
| 23 | Affected | — |
SUSE Affected 3 releases
| Version | Status | Fixed in |
|---|---|---|
| 42.1 | Affected | — |
| 13.2 | Affected | — |
| — | Affected | — |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 0.13.4-1 |
| sid | Fixed | 0.13.4-1 |
| forky | Fixed | 0.13.4-1 |
| bullseye | Fixed | 0.13.4-1 |
| bookworm | Fixed | 0.13.4-1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| libass_project | libass | {"endIncluding":"0.13.3"} | |
References
- http://lists.opensuse.org/opensuse-updates/2016-12/msg00068.html
- http://www.openwall.com/lists/oss-security/2016/10/05/2
- http://www.securityfocus.com/bid/93358
- https://bugzilla.redhat.com/show_bug.cgi?id=1381960
- https://github.com/libass/libass/commit/f4f48950788b91c6a30029cc28a240b834713ea7
- https://github.com/libass/libass/releases/tag/0.13.4
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KW6DNERYHPI5Y6SQYU3XKTVSCOWMIHUC/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R7JJ2SGVOX6UQQIRMVC3QACJLKHE2PYN/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUOUOK3VULMMZTNSCRFCNPDAPDWAVK7X/
- https://security.gentoo.org/glsa/201702-25
- https://www.suse.com/security/cve/CVE-2016-7969.html
- https://security-tracker.debian.org/tracker/CVE-2016-7969
CWEs
CWE-125
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.