Vulnerability · Published Feb 24, 2023 · Assigned by GovTech CSG

CVE-2023-0996

High 7.8

In plain English

A high-severity buffer overflow in libheif from Struktur. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 24% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.3%top 76.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

There is a vulnerability in the strided image data parsing code in the emscripten wrapper for libheif. An attacker could exploit this through a crafted image file to cause a buffer overflow in linear memory during a memcpy call.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12libheif1.15.1-1DEBIAN-CVE-2023-0996
Debian:13libheif1.15.1-1DEBIAN-CVE-2023-0996
Debian:14libheif1.15.1-1DEBIAN-CVE-2023-0996

Affected products (as reported)

VendorProductVersions
Struktur libheif 1.14.2

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

References