Security update for libpng16
This update for libpng16 fixes the following issues: - CVE-2025-64720: Fixed buffer overflow in `png_image_read_composite` via incorrect palette premultiplication (bsc#1254159) - CVE-2025-64505: Fixed heap buffer over-read in `png_do_quantize` via malformed palette index (bsc#1254157) - CVE-2025-64506: Fixed heap buffer over-read in `png_write_image_8bit` with 8-bit input and `convert_to_8bit` enabled (bsc#1254158) - CVE-2025-65018: Fixed heap buffer overflow in `png_combine_row` triggered via `png_image_finish_read` (bsc#1254160)
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
This update for libpng16 fixes the following issues: - CVE-2025-64720: Fixed buffer overflow in `png_image_read_composite` via incorrect palette premultiplication (bsc#1254159) - CVE-2025-64505: Fixed heap buffer over-read in `png_do_quantize` via malformed palette index (bsc#1254157) - CVE-2025-64506: Fixed heap buffer over-read in `png_write_image_8bit` with 8-bit input and `convert_to_8bit` enabled (bsc#1254158) - CVE-2025-65018: Fixed heap buffer overflow in `png_combine_row` triggered via `png_image_finish_read` (bsc#1254160)
05 / REFERENCES
Further evidence
- https://bugzilla.suse.com/1254157
- https://bugzilla.suse.com/1254158
- https://bugzilla.suse.com/1254159
- https://bugzilla.suse.com/1254160
- https://www.suse.com/security/cve/CVE-2025-64505
- https://www.suse.com/security/cve/CVE-2025-64506
- https://www.suse.com/security/cve/CVE-2025-64720
- https://www.suse.com/security/cve/CVE-2025-65018
- https://www.suse.com/support/update/announcement/2025/suse-su-20254533-1/