Out-of-bounds Read The advisory has been revoked - it doesn't affect any version of package libass (opens in a new tab)
Threat Intelligence
Exploit maturity not defined.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1810-LIBASS-663793
- published3 Mar 2017
- disclosed3 Mar 2017
Introduced: 3 Mar 2017
CVE-2016-7969 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:18.10.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libass package and not the libass package as distributed by Ubuntu.
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."
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-7969
- https://github.com/libass/libass/commit/f4f48950788b91c6a30029cc28a240b834713ea7
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7969
- https://security-tracker.debian.org/tracker/CVE-2016-7969
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KW6DNERYHPI5Y6SQYU3XKTVSCOWMIHUC/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/R7JJ2SGVOX6UQQIRMVC3QACJLKHE2PYN/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VUOUOK3VULMMZTNSCRFCNPDAPDWAVK7X/
- https://security.gentoo.org/glsa/201702-25
- https://github.com/libass/libass/pull/240/commits/b72b283b936a600c730e00875d7d067bded3fc26
- https://github.com/libass/libass/releases/tag/0.13.4
- http://lists.opensuse.org/opensuse-updates/2016-12/msg00068.html
- http://www.openwall.com/lists/oss-security/2016/10/05/2
- https://bugzilla.redhat.com/show_bug.cgi?id=1381960
- http://www.securityfocus.com/bid/93358
- 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/