CVE-2016-7970

HIGH 7.5CVE-2016-7970 · Published 03/03/2017 · updated 17/06/2026

In short

CVE-2016-7970 is a HIGH (CVSS 7.5) vulnerability affecting libass (libass project).
Chance of exploitation in the next 30 days (EPSS): 4.7%, higher than 91.8% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
libass libass_project	`≤ 0.13.3`	No fix yet

Description

Buffer overflow in the calc_coeff function in libass/ass_blur.c in libass before 0.13.4 allows remote attackers to cause a denial of service via unspecified vectors.

References

openwall.com/lists/oss-security/2016/10/05/2 · Mailing List
securityfocus.com/bid/93358 · Third Party Advisory
bugzilla.redhat.com/show_bug.cgi · Issue Tracking
libass/libass#240 · Issue Tracking
libass/libass release 0.13.4 · Patch
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KW6DNERYHPI5Y6SQYU3XKTVSCOWMIHUC
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R7JJ2SGVOX6UQQIRMVC3QACJLKHE2PYN
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUOUOK3VULMMZTNSCRFCNPDAPDWAVK7X
security.gentoo.org/glsa/201702-25 · Patch

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