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CVE-2016-7970 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://bugzilla.redhat.com/show_bug.cgi?id=1381960	CVE	Issue TrackingPatch
https://github.com/libass/libass/pull/240/commits/08e754612019ed84d1db0d1fc4f5798248decd75	CVE	Issue TrackingPatchThird Party Advisory
https://github.com/libass/libass/releases/tag/0.13.4	CVE	PatchRelease NotesThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KW6DNERYHPI5Y6SQYU3XKTVSCOWMIHUC/	CVE
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R7JJ2SGVOX6UQQIRMVC3QACJLKHE2PYN/	CVE
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUOUOK3VULMMZTNSCRFCNPDAPDWAVK7X/	CVE
https://security.gentoo.org/glsa/201702-25	CVE	PatchThird Party AdvisoryVDB Entry
http://www.openwall.com/lists/oss-security/2016/10/05/2	CVE	Mailing ListPatchThird Party Advisory
http://www.securityfocus.com/bid/93358	CVE	Third Party AdvisoryVDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1381960	[email protected]	Issue TrackingPatch
https://github.com/libass/libass/pull/240/commits/08e754612019ed84d1db0d1fc4f5798248decd75	[email protected]	Issue TrackingPatchThird Party Advisory
https://github.com/libass/libass/releases/tag/0.13.4	[email protected]	PatchRelease NotesThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KW6DNERYHPI5Y6SQYU3XKTVSCOWMIHUC/	[email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R7JJ2SGVOX6UQQIRMVC3QACJLKHE2PYN/	[email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUOUOK3VULMMZTNSCRFCNPDAPDWAVK7X/	[email protected]
https://security.gentoo.org/glsa/201702-25	[email protected]	PatchThird Party AdvisoryVDB Entry
http://www.openwall.com/lists/oss-security/2016/10/05/2	[email protected]	Mailing ListPatchThird Party Advisory
http://www.securityfocus.com/bid/93358	[email protected]	Third Party AdvisoryVDB Entry

see all 18 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-119	Improper Restriction of Operations within the Bounds of a Memory Buffer	[email protected]

Affected Products

Product	Versions
fedoraproject fedora	23 24 25
CPE cpe:2.3:o:fedoraproject:fedora:23:::::::* cpe:2.3:o:fedoraproject:fedora:24:::::::* cpe:2.3:o:fedoraproject:fedora:25:::::::* Remediation No remediation found in references.
libass project libass	<= 0.13.3
CPE cpe:2.3:a:libass_project:libass:::::::: Remediation No remediation found in references.

Change History

6 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
May 13, 2026	CVE Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Nov 7, 2023	CVE Modified	[email protected]
Mar 4, 2017	Initial Analysis	[email protected]