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CVE-2017-13666

Published: 24 August 2017

An integer underflow vulnerability exists in pixel-a.asm, the x86 assembly code for planeClipAndMax() in MulticoreWare x265 through 2.5, as used in libbpg and other products. A small height value can cause an integer underflow, which leads to a crash. This is a different vulnerability than CVE-2017-8906.

Notes

AuthorNote
msalvatore
Affected code is present and enabled in Xenial.
No upstream fix.

Priority

Low

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
x265
Launchpad, Ubuntu, Debian
artful Ignored
(end of life)
bionic Not vulnerable
(code not present)
cosmic Not vulnerable
(code not present)
disco Not vulnerable
(code not present)
eoan Not vulnerable
(code not present)
focal Not vulnerable
(code not present)
groovy Not vulnerable
(code not present)
impish Not vulnerable
(code not present)
jammy Not vulnerable
(code not present)
trusty Does not exist

upstream Needed

zesty Ignored
(end of life)
hirsute Not vulnerable
(code not present)
xenial Deferred

Severity score breakdown

Parameter Value
Base score 5.5
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H