CVE-2023-43907

Publication date 1 October 2023

Last updated 24 July 2024

Ubuntu priority

Why this priority?

Cvss 3 Severity Score

Score breakdown

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

Read the notes from the security team

Why is this CVE low priority?

Denial of service only in command-line tool

Learn more about Ubuntu priority

Status

Show unmaintained releases

Package	Ubuntu Release	Status
optipng	24.04 LTS noble	Vulnerable, fix deferred
	23.10 mantic	Ignored
	23.04 lunar	Ignored
	22.04 LTS jammy	Vulnerable, fix deferred
	20.04 LTS focal	Vulnerable, fix deferred
	18.04 LTS bionic	Vulnerable, fix deferred
	16.04 LTS xenial	Vulnerable, fix deferred
	14.04 LTS trusty	Ignored

Notes

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

Severity score breakdown

Parameter	Value
Base score	7.8 · High
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