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SUSE-SU-2025:4436-1 Not scored

Security update for libpng16

This update for libpng16 fixes the following issues: - CVE-2025-65018: Fixed heap buffer overflow in `png_combine_row` triggered via `png_image_finish_read` (bsc#1254160) - CVE-2025-66293: Fixed LIBPNG out-of-bounds read in `png_image_read_composite` (bsc#1254480) - 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-2025-64720: 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)

Exploit probability Not scored
Published December 17, 2025
Required by Not available
Last source change March 23, 2026

02 / AFFECTED SOFTWARE

Affected packages

SUSE:Enterprise Storage 7.1 libpng16
SUSE:Linux Enterprise High Performance Computing 15 SP3-LTSS libpng16
SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS libpng16
SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS libpng16
SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS libpng16
SUSE:Linux Enterprise High Performance Computing 15 SP5-LTSS libpng16
SUSE:Linux Enterprise Micro 5.2 libpng16
SUSE:Linux Enterprise Micro 5.3 libpng16
SUSE:Linux Enterprise Micro 5.4 libpng16
SUSE:Linux Enterprise Micro 5.5 libpng16
SUSE:Linux Enterprise Server 15 SP3-LTSS libpng16
SUSE:Linux Enterprise Server 15 SP4-LTSS libpng16
SUSE:Linux Enterprise Server 15 SP5-LTSS libpng16
SUSE:Linux Enterprise Server for SAP Applications 15 SP3 libpng16
SUSE:Linux Enterprise Server for SAP Applications 15 SP4 libpng16
SUSE:Linux Enterprise Server for SAP Applications 15 SP5 libpng16
SUSE:Manager Proxy LTS 4.3 libpng16
SUSE:Manager Server LTS 4.3 libpng16

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities SUSE-SU-2025:4436-1

This update for libpng16 fixes the following issues: - CVE-2025-65018: Fixed heap buffer overflow in `png_combine_row` triggered via `png_image_finish_read` (bsc#1254160) - CVE-2025-66293: Fixed LIBPNG out-of-bounds read in `png_image_read_composite` (bsc#1254480) - 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-2025-64720: 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)

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05 / REFERENCES

Further evidence