Mageia 9: libpng Important Heap Overflow Advisory MGASA-2025-0314
mageia
December 1, 2025
MGASA-2025-0314 - Updated libpng packages fix security vulnerabilities
Summary
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
Topics Covered
Resolution
SRPMS
- 9/core/libpng-1.6.38-1.1.mga9
PREVIOUS
NEXT
Severity
important
Lowest
Low
Medium
High
Critical
Publication date: 01 Dec 2025
URL: https://advisories.mageia.org/MGASA-2025-0314.html
Type: security
CVE: CVE-2025-64505,
CVE-2025-64506,
CVE-2025-64720,
CVE-2025-65018
Topics Covered
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