CVE-2016-7972
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (5.23%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 5.23% probability · 92th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-399
- Affected
- opensuse/leap · opensuse/opensuse · fedoraproject/fedora · libass project/libass
- Source
- cve@mitre.org
EPSS 5.2% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://lists.opensuse.org/opensuse-updates/2016-12/msg00068.htmlThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/10/05/2Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/93358Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1381960Issue Tracking, Patch
- https://github.com/libass/libass/pull/240/commits/aa54e0b59200a994d50a346b5d7ac818ebcf2d4bIssue Tracking, Patch, Third Party Advisory
- https://github.com/libass/libass/releases/tag/0.13.4Patch, Release Notes, Third Party Advisory
- 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/201702-25Patch, Third Party Advisory, VDB Entry
- http://lists.opensuse.org/opensuse-updates/2016-12/msg00068.htmlThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/10/05/2Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/93358Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1381960Issue Tracking, Patch
- https://github.com/libass/libass/pull/240/commits/aa54e0b59200a994d50a346b5d7ac818ebcf2d4bIssue Tracking, Patch, Third Party Advisory
- https://github.com/libass/libass/releases/tag/0.13.4Patch, Release Notes, Third Party Advisory
- 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/201702-25Patch, Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.