vulnerability

Arch Linux: Information disclosure (CVE-2020-23109)

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Severity

CVSS

(AV:N/AC:M/Au:N/C:P/I:N/A:P)

Published

Nov 3, 2021

Added

Jul 11, 2025

Modified

Jun 29, 2026

Description

A buffer overflow vulnerability in the function convert_colorspace in heif_colorconversion.cc in libheif allows attackers to cause a denial of service and disclose sensitive information via a crafted HEIF file.

Solution

arch-linux-upgrade-latest

References

CVE-2020-23109
https://attackerkb.com/topics/CVE-2020-23109
https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-15863
https://github.com/strukturag/libheif/issues/207
CWE-120
EUVD-EUVD-2020-15863

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