Advisories » MGASA-2025-0314

Updated libpng packages fix security vulnerabilities

Publication date: 01 Dec 2025
Modification date: 01 Dec 2025
Type: security
Affected Mageia releases : 9
CVE: CVE-2025-64505 , CVE-2025-64506 , CVE-2025-64720 , CVE-2025-65018

Description

LIBPNG is vulnerable to a heap buffer overflow in `png_do_quantize` via
malformed palette index. (CVE-2025-64505)
LIBPNG is vulnerable to a heap buffer over-read in
`png_write_image_8bit` with grayscale+alpha or RGB/RGBA images.
(CVE-2025-64506)
LIBPNG is vulnerable to a buffer overflow in `png_image_read_composite`
via incorrect palette premultiplication. (CVE-2025-64720)
 LIBPNG is vulnerable to a heap buffer overflow in `png_combine_row`
triggered via `png_image_finish_read`. (CVE-2025-65018)
                

References

• https://bugs.mageia.org/show_bug.cgi?id=34766
• https://www.openwall.com/lists/oss-security/2025/11/22/1
• https://www.cve.org/CVERecord?id=CVE-2025-64505
• https://www.cve.org/CVERecord?id=CVE-2025-64506
• https://www.cve.org/CVERecord?id=CVE-2025-64720
• https://www.cve.org/CVERecord?id=CVE-2025-65018

SRPMS

9/core

• libpng-1.6.38-1.1.mga9