CVE-2020-21426

Publication date 22 August 2023

Last updated 11 July 2025

Ubuntu priority

Cvss 3 Severity Score

Description

Buffer Overflow vulnerability in function C_IStream::read in PluginEXR.cpp in FreeImage 3.18.0 allows remote attackers to run arbitrary code and cause other impacts via crafted image file.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
freeimage	26.04 LTS resolute	Vulnerable, fix deferred
	25.10 questing	Vulnerable, fix deferred
	25.04 plucky	Ignored end of life, was deferred [2025-01-16]
	24.10 oracular	Ignored end of life, was deferred [2025-01-16]
	24.04 LTS noble	Vulnerable, fix deferred
	23.10 mantic	Ignored end of life, was needs-triage
	23.04 lunar	Ignored end of life, was needs-triage
	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	Ignored end of standard support
	14.04 LTS trusty	Vulnerable, fix deferred

Notes

juliaphoebe

Patch code not available upstream as of 2025-01-16

Severity score breakdown

CVSS version: CVSS v3.0

Base score 7.8 · High

Base metrics

Parameter	Value
Attack vector	Local
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality impact	High
Integrity impact	High
Availability impact	High

Scores

Parameter	Value
Base score	7.8 · High
Exploitability score	-
Impact score	-

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H