Vulnerability · Published Aug 22, 2023 · Assigned by mitre

CVE-2020-21427

High 7.8

In plain English

A high-severity buffer overflow in the freeimage package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 45% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.5%top 55.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Buffer Overflow vulnerability in function LoadPixelDataRLE8 in PluginBMP.cpp in FreeImage 3.18.0 allows remote attackers to run arbitrary code and cause other impacts via crafted image file.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12freeimage3.18.0+ds2-9+deb12u1DSA-5579-1
Debian:12freeimage3.18.0+ds2-9+deb12u1DEBIAN-CVE-2020-21427
Debian:13freeimage3.18.0+ds2-10DEBIAN-CVE-2020-21427
Ubuntu:22.04:LTSfreeimage3.18.0+ds2-6ubuntu5.1USN-6586-1
Ubuntu:22.04:LTSfreeimage3.18.0+ds2-6ubuntu5.1UBUNTU-CVE-2020-21427
Ubuntu:24.04:LTSfreeimage3.18.0+ds2-10build4UBUNTU-CVE-2020-21427
Ubuntu:25.10freeimageno fix listedUBUNTU-CVE-2020-21427
Ubuntu:26.04:LTSfreeimageno fix listedUBUNTU-CVE-2020-21427
Ubuntu:26.10freeimageno fix listedUBUNTU-CVE-2020-21427

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

Weakness: CWE-120 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References