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CVE-2023-43907

Published: 1 October 2023

OptiPNG v0.7.7 was discovered to contain a global buffer overflow via the 'buffer' variable at gifread.c.

Notes

AuthorNote
Priority reason:
Denial of service only in command-line tool
mdeslaur
Can't reproduce with PoC on focal, jammy, and lunar. This is
an out-of-bounds read in a command-line tool, unlikely to have
any security impact.

as of 2023-10-10, there is no fix available from the optipng
developers

Priority

Low

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package Release Status
optipng
Launchpad, Ubuntu, Debian
bionic Deferred
(2023-10-10)
focal Deferred
(2023-10-10)
jammy Deferred
(2023-10-10)
lunar Ignored
(end of life, was deferred [2023-10-10])
mantic Deferred
(2023-10-10)
noble Deferred
(2023-10-10)
trusty Ignored
(end of standard support)
upstream Needs triage

xenial Deferred
(2023-10-10)

Severity score breakdown

Parameter Value
Base score 7.8
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H