CVE-2016-7972
high
CVSS v3
7.5
CVSS v4 NEW
—
VIR risk
7.5
Description
The check_allocations function in libass/ass_shaper.c in libass before 0.13.4 allows remote attackers to cause a denial of service (memory allocation failure) via unspecified vectors.
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 | 0.13.4-1 |
| debian | bullseye | fixed | 0.13.4-1 |
| debian | forky | fixed | 0.13.4-1 |
| debian | sid | fixed | 0.13.4-1 |
| debian | trixie | fixed | 0.13.4-1 |
| fedora | 23 | affected | |
| fedora | 24 | affected | |
| fedora | 25 | affected | |
| suse | 42.1 | affected | |
| suse | 13.2 | affected | |
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/pull/240/commits/aa54e0b59200a994d50a346b5d7ac818ebcf2d4b
- 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-2016-7972.html
- https://security-tracker.debian.org/tracker/CVE-2016-7972
CWEs
CWE-399
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.