CVE-2023-0996

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-02-24 · updated 2026-06-17
Weakness: CWE-120

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 products

strukturag libheif: 1.14.2

References

https://github.com/strukturag/libheif/pull/759
https://govtech-csg.github.io/security-advisories/2023/02/24/CVE-2023-0996.html
https://github.com/strukturag/libheif/pull/759
https://govtech-csg.github.io/security-advisories/2023/02/24/CVE-2023-0996.html

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