ALT-PU-2019-1158-1

CVE-2016-7969

HIGH7.5

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."

Published: 2017-03-03Modified: 2025-04-20

CVSS 2.0MEDIUM 5.0

CVSS:2.0/AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS 3.xHIGH 7.5

CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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/commit/f4f48950788b91c6a30029cc28a240b834713ea7
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
http://www.securityfocus.com/bid/93358
https://bugzilla.redhat.com/show_bug.cgi?id=1381960
https://github.com/libass/libass/commit/f4f48950788b91c6a30029cc28a240b834713ea7
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

Package update libass in branch sisyphus

Closed issues (3)

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."

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.

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.