Bug#1032101: libheif: CVE-2023-0996

[Moritz Mühlenhoff <jmm@inutil.org>]

Source: libheif
X-Debbugs-CC: team@security.debian.org
Severity: grave
Tags: security

Hi,

The following vulnerability was published for libheif.

CVE-2023-0996[0]:
| 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.

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

If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2023-0996
    https://www.cve.org/CVERecord?id=CVE-2023-0996

Please adjust the affected versions in the BTS as needed.