CVE-2026-25646
mingw32-libpng: MinGW Windows Libpng library. Security Fix(es): * libpng: libpng: Information disclosure and denial of service via...
CVE-2026-25646 is fixed in 19 products on 1 platform, first by libpng-tools 1.6.34-1ubuntu0.18.04.2+esm2, released February 10, 2026. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
8.1
Important
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0112
66th percentile
MinGW Windows Libpng library. Security Fix(es): * libpng: libpng: Information disclosure and denial of service via integer truncation in simplified write API (CVE-2026-22801) * libpng: libpng: Denial of service and information disclosure via heap buffer over-read in png_image_finish_read (CVE-2026-22695) * libpng: LIBPNG has a heap buffer overflow in png_set_quantize (CVE-2026-25646) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libpng · RHEL 10 | 1.6.40-8.el10_0.2 | RHSA-2026:3577 | Feb 10, 2026 |
| libpng · RHEL 8 | 2:1.6.34-10.el8_10 | RHSA-2026:4728 | Apr 15, 2026 |
| libpng · RHEL 9 | 2:1.6.37-12.el9_7.2 | RHSA-2026:3405 | Mar 12, 2026 |
| libpng · almalinux 10 | 2:1.6.40-8.el10_1.2 | ALSA-2026:3551 | Mar 2, 2026 |
| libpng · almalinux 8 | 2:1.6.34-10.el8_10 | ALSA-2026:4728 | Mar 17, 2026 |
| libpng · almalinux 9 | 2:1.6.37-12.el9_7.2 | ALSA-2026:3405 | Feb 26, 2026 |
| libpng · amzn 2023 | 2:1.6.37-10.amzn2023.0.11 | ALAS2023-2026-1463 | Mar 2, 2026 |
| libpng · ol 10 | 2:1.6.40-8.el10_1.2 | ELSA-2026-3551 | Mar 2, 2026 |
| libpng · ol 8 | 2:1.6.34-10.el8_10 | ELSA-2026-4728 | Mar 17, 2026 |
| libpng · ol 9 | 2:1.6.37-12.el9_7.2 | ELSA-2026-3405 | Feb 26, 2026 |
| libpng · rocky 10 | 2:1.6.40-8.el10_1.2 | RLSA-2026:3551 | Mar 5, 2026 |
| libpng · rocky 8 | 2:1.6.34-10.el8_10 | RLSA-2026:4728 | Mar 18, 2026 |
| libpng · rocky 9 | 2:1.6.37-12.el9_7.2 | RLSA-2026:3405 | Feb 28, 2026 |
| libpng-debuginfo · amzn 2023 | 2:1.6.37-10.amzn2023.0.11 | ALAS2023-2026-1463 | Mar 2, 2026 |
| libpng-debugsource · amzn 2023 | 2:1.6.37-10.amzn2023.0.11 | ALAS2023-2026-1463 | Mar 2, 2026 |
| libpng-devel · RHEL 8 | 2:1.6.34-10.el8_10 | RHSA-2026:4728 | Apr 15, 2026 |
| libpng-devel · RHEL 9 | 2:1.6.37-12.el9_7.2 | RHSA-2026:3405 | Mar 12, 2026 |
| libpng-devel · almalinux 10 | 2:1.6.40-8.el10_1.2 | ALSA-2026:3551 | Mar 2, 2026 |
| libpng-devel · almalinux 8 | 2:1.6.34-10.el8_10 | ALSA-2026:4728 | Mar 17, 2026 |
| libpng-devel · almalinux 9 | 2:1.6.37-12.el9_7.2 | ALSA-2026:3405 | Feb 26, 2026 |
| libpng-devel · amzn 2023 | 2:1.6.37-10.amzn2023.0.11 | ALAS2023-2026-1463 | Mar 2, 2026 |
| libpng-devel · ol 10 | 2:1.6.40-8.el10_1.2 | ELSA-2026-3551 | Mar 2, 2026 |
| libpng-devel · ol 8 | 2:1.6.34-10.el8_10 | ELSA-2026-4728 | Mar 17, 2026 |
| libpng-devel · ol 9 | 2:1.6.37-12.el9_7.2 | ELSA-2026-3405 | Feb 26, 2026 |
| libpng-devel-debuginfo · amzn 2023 | 2:1.6.37-10.amzn2023.0.11 | ALAS2023-2026-1463 | Mar 2, 2026 |
| libpng-static · amzn 2023 | 2:1.6.37-10.amzn2023.0.11 | ALAS2023-2026-1463 | Mar 2, 2026 |
| libpng-tools · Ubuntu 18.04.6 LTS (bionic) | 1.6.34-1ubuntu0.18.04.2+esm2 | libpng-tools 1.6.34-1ubuntu0.18.04.2+esm2 | Feb 10, 2026 |
| libpng-tools · Ubuntu 20.04 LTS (focal) | 1.6.37-2ubuntu0.1~esm2 | libpng-tools 1.6.37-2ubuntu0.1~esm2 | Feb 10, 2026 |
| libpng-tools · Ubuntu 22.04.1 LTS (jammy) | 1.6.37-3ubuntu0.4 | libpng-tools 1.6.37-3ubuntu0.4 | Feb 10, 2026 |
| libpng-tools · Ubuntu 24.04.5 LTS (noble) | 1.6.43-5ubuntu0.5 | libpng-tools 1.6.43-5ubuntu0.5 | Feb 10, 2026 |
| libpng-tools · Ubuntu 25.10 (questing) | 1.6.50-1ubuntu0.4 | libpng-tools 1.6.50-1ubuntu0.4 | Feb 10, 2026 |
| libpng-tools · Ubuntu 26.04.1 LTS (resolute) | 1.6.55-1 | libpng-tools 1.6.55-1 | Feb 10, 2026 |
| libpng-tools · amzn 2023 | 2:1.6.37-10.amzn2023.0.11 | ALAS2023-2026-1463 | Mar 2, 2026 |
| libpng-tools-debuginfo · amzn 2023 | 2:1.6.37-10.amzn2023.0.11 | ALAS2023-2026-1463 | Mar 2, 2026 |
| libpng1.6 · Debian 12.15 (bookworm) | 1.6.39-2+deb12u3 | DSA-6138-1 | Feb 17, 2026 |
| libpng1.6 · Debian 13.5 (trixie) | 1.6.48-1+deb13u3 | DSA-6138-1 | Feb 17, 2026 |
| libpng1.6 · Debian 14 | 1.6.55-1 | DEBIAN-CVE-2026-25646 | Feb 10, 2026 |
| libpng12 · RHEL 8 | 0:1.2.57-6.el8_10 | RHSA-2026:6445 | Apr 15, 2026 |
| libpng12 · almalinux 8 | 1.2.57-6.el8_10 | ALSA-2026:6445 | Apr 2, 2026 |
| libpng12 · ol 8 | 0:1.2.57-6.el8_10 | ELSA-2026-6445 | Apr 2, 2026 |
| libpng12 · opensuse-leap 15.6 | 1.2.57-150000.4.6.1 | SUSE-SU-2026:0599-1 | Feb 23, 2026 |
| libpng12 · rocky 8 | 0:1.2.57-6.el8_10 | RLSA-2026:6445 | Apr 9, 2026 |
| libpng12 · sles 15.6 | 1.2.57-150000.4.6.1 | SUSE-SU-2026:0599-1 | Feb 23, 2026 |
| libpng12 · sles 15.7 | 1.2.57-150000.4.6.1 | SUSE-SU-2026:0599-1 | Feb 23, 2026 |
| libpng15 · RHEL 8 | 0:1.5.30-8.el8_10 | RHSA-2026:6439 | Apr 15, 2026 |
| libpng15 · RHEL 9 | 0:1.5.30-14.el9_7.1 | RHSA-2026:3031 | Mar 12, 2026 |
| libpng15 · almalinux 8 | 1.5.30-8.el8_10 | ALSA-2026:6439 | Apr 2, 2026 |
| libpng15 · almalinux 9 | 1.5.30-14.el9_7.1 | ALSA-2026:3031 | Feb 23, 2026 |
| libpng15 · ol 8 | 0:1.5.30-8.el8_10 | ELSA-2026-6439 | Apr 2, 2026 |
| libpng15 · ol 9 | 0:1.5.30-14.el9_7.1 | ELSA-2026-3031 | Feb 23, 2026 |
| libpng15 · rocky 8 | 0:1.5.30-8.el8_10 | RLSA-2026:6439 | Apr 9, 2026 |
| libpng15 · rocky 9 | 0:1.5.30-14.el9_7.1 | RLSA-2026:3031 | Feb 24, 2026 |
| libpng16 · opensuse-leap 15.6 | 1.6.40-150600.3.12.1 | SUSE-SU-2026:0597-1 | Feb 23, 2026 |
| libpng16 · opensuse-leap 16.0 | 1.6.44-160000.5.1 | OPENSUSE-SU-2026:20378-1 | Mar 17, 2026 |
| libpng16 · sles 15.6 | 1.6.40-150600.3.12.1 | SUSE-SU-2026:0597-1 | Feb 23, 2026 |
| libpng16 · sles 15.7 | 1.6.40-150600.3.12.1 | SUSE-SU-2026:0597-1 | Feb 23, 2026 |
| libpng16-16 · Ubuntu 18.04.6 LTS (bionic) | 1.6.34-1ubuntu0.18.04.2+esm2 | libpng16-16 1.6.34-1ubuntu0.18.04.2+esm2 | Feb 10, 2026 |
| libpng16-16 · Ubuntu 20.04 LTS (focal) | 1.6.37-2ubuntu0.1~esm2 | libpng16-16 1.6.37-2ubuntu0.1~esm2 | Feb 10, 2026 |
| libpng16-16 · Ubuntu 22.04.1 LTS (jammy) | 1.6.37-3ubuntu0.4 | libpng16-16 1.6.37-3ubuntu0.4 | Feb 10, 2026 |
| libpng16-16t64 · Ubuntu 24.04.5 LTS (noble) | 1.6.43-5ubuntu0.5 | libpng16-16t64 1.6.43-5ubuntu0.5 | Feb 10, 2026 |
| libpng16-16t64 · Ubuntu 25.10 (questing) | 1.6.50-1ubuntu0.4 | libpng16-16t64 1.6.50-1ubuntu0.4 | Feb 10, 2026 |
| libpng16-16t64 · Ubuntu 26.04.1 LTS (resolute) | 1.6.55-1 | libpng16-16t64 1.6.55-1 | Feb 10, 2026 |
| mingw-libpng · rocky 8 | 0:1.6.34-2.el8_10 | RLSA-2026:4306 | Mar 12, 2026 |
| mingw32-libpng · RHEL 8 | 0:1.6.34-2.el8_10 | RHSA-2026:4306 | Mar 12, 2026 |
| mingw32-libpng · almalinux 8 | 1.6.34-2.el8_10 | ALSA-2026:4306 | Mar 11, 2026 |
| mingw32-libpng · ol 8 | 0:1.6.34-2.el8_10 | ELSA-2026-4306 | Mar 11, 2026 |
| mingw32-libpng-static · RHEL 8 | 0:1.6.34-2.el8_10 | RHSA-2026:4306 | Mar 12, 2026 |
| mingw32-libpng-static · almalinux 8 | 1.6.34-2.el8_10 | ALSA-2026:4306 | Mar 11, 2026 |
| mingw32-libpng-static · ol 8 | 0:1.6.34-2.el8_10 | ELSA-2026-4306 | Mar 11, 2026 |
| mingw64-libpng · RHEL 8 | 0:1.6.34-2.el8_10 | RHSA-2026:4306 | Mar 12, 2026 |
| mingw64-libpng · almalinux 8 | 1.6.34-2.el8_10 | ALSA-2026:4306 | Mar 11, 2026 |
| mingw64-libpng · ol 8 | 0:1.6.34-2.el8_10 | ELSA-2026-4306 | Mar 11, 2026 |
| mingw64-libpng-static · RHEL 8 | 0:1.6.34-2.el8_10 | RHSA-2026:4306 | Mar 12, 2026 |
| mingw64-libpng-static · almalinux 8 | 1.6.34-2.el8_10 | ALSA-2026:4306 | Mar 11, 2026 |
| mingw64-libpng-static · ol 8 | 0:1.6.34-2.el8_10 | ELSA-2026-4306 | Mar 11, 2026 |
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