What is CVE-2023-0996?

CVE-2023-0996 is a vulnerability in Struktur Libheif, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). Published 2023-02-24.

Is CVE-2023-0996 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Struktur Libheif

CVE-2023-0996

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.

Vulnerability class: Buffer Overflow

EPSS: 0.002 (40.0th percentile) — read the EPSS interpretation.

Affected products

Struktur Libheif — versions 1.14.2

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

Public proof-of-concept exploits

DiRaltvein/memory-corruption-examples

References

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

Frequently asked questions

What is CVE-2023-0996?: CVE-2023-0996 is a vulnerability in Struktur Libheif, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). Published 2023-02-24.
Is CVE-2023-0996 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.