CVE-2016-7972

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-03-03 · updated 2026-06-17
Weakness: CWE-399

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.

Affected products

Fedoraproject Fedora: 23, 24, 25
Libass Project Libass: through 0.13.3
openSUSE Leap: 42.1
Opensuse: 13.2

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
http://lists.opensuse.org/opensuse-updates/2016-12/msg00068.html
http://www.openwall.com/lists/oss-security/2016/10/05/2

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