High severity7.1NVD Advisory· Published Dec 3, 2025· Updated Jun 17, 2026
CVE-2025-66293
CVE-2025-66293
Description
LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. Prior to 1.6.52, an out-of-bounds read vulnerability in libpng's simplified API allows reading up to 1012 bytes beyond the png_sRGB_base[512] array when processing valid palette PNG images with partial transparency and gamma correction. The PNG files that trigger this vulnerability are valid per the PNG specification; the bug is in libpng's internal state management. Upgrade to libpng 1.6.52 or later.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
41- osv-coords38 versionspkg:apk/chainguard/libpngpkg:apk/wolfi/libpngpkg:rpm/almalinux/libpngpkg:rpm/almalinux/libpng-develpkg:rpm/almalinux/mingw32-libpngpkg:rpm/almalinux/mingw32-libpng-staticpkg:rpm/almalinux/mingw64-libpngpkg:rpm/almalinux/mingw64-libpng-staticpkg:rpm/opensuse/libpng16&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/libpng16&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/libpng16&distro=openSUSE%20Tumbleweedpkg:rpm/suse/libpng16&distro=SUSE%20Enterprise%20Storage%207.1pkg:rpm/suse/libpng16&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSSpkg:rpm/suse/libpng16&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/libpng16&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSSpkg:rpm/suse/libpng16&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOSpkg:rpm/suse/libpng16&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSSpkg:rpm/suse/libpng16&distro=SUSE%20Linux%20Enterprise%20Micro%205.2pkg:rpm/suse/libpng16&distro=SUSE%20Linux%20Enterprise%20Micro%205.3pkg:rpm/suse/libpng16&distro=SUSE%20Linux%20Enterprise%20Micro%205.4pkg:rpm/suse/libpng16&distro=SUSE%20Linux%20Enterprise%20Micro%205.5pkg:rpm/suse/libpng16&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/libpng16&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/libpng16&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5-LTSSpkg:rpm/suse/libpng16&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/libpng16&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/libpng16&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/libpng16&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/libpng16&distro=SUSE%20Linux%20Enterprise%20Server%20LTSS%20Extended%20Security%2012%20SP5pkg:rpm/suse/libpng16&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3pkg:rpm/suse/libpng16&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/libpng16&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5pkg:rpm/suse/libpng16&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/libpng16&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/libpng16&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/libpng16&distro=SUSE%20Linux%20Micro%206.2pkg:rpm/suse/libpng16&distro=SUSE%20Manager%20Proxy%20LTS%204.3pkg:rpm/suse/libpng16&distro=SUSE%20Manager%20Server%20LTS%204.3
< 1.6.52-r0+ 37 more
- (no CPE)range: < 1.6.52-r0
- (no CPE)range: < 1.6.52-r0
- (no CPE)range: < 2:1.6.40-8.el10_1.1
- (no CPE)range: < 2:1.6.40-8.el10_1.1
- (no CPE)range: < 1.6.34-1.el8_10
- (no CPE)range: < 1.6.34-1.el8_10
- (no CPE)range: < 1.6.34-1.el8_10
- (no CPE)range: < 1.6.34-1.el8_10
- (no CPE)range: < 1.6.40-150600.3.3.1
- (no CPE)range: < 1.6.44-160000.3.1
- (no CPE)range: < 1.6.52-1.1
- (no CPE)range: < 1.6.34-150000.3.12.1
- (no CPE)range: < 1.6.34-150000.3.12.1
- (no CPE)range: < 1.6.34-150000.3.12.1
- (no CPE)range: < 1.6.34-150000.3.12.1
- (no CPE)range: < 1.6.34-150000.3.12.1
- (no CPE)range: < 1.6.34-150000.3.12.1
- (no CPE)range: < 1.6.34-150000.3.12.1
- (no CPE)range: < 1.6.34-150000.3.12.1
- (no CPE)range: < 1.6.34-150000.3.12.1
- (no CPE)range: < 1.6.34-150000.3.12.1
- (no CPE)range: < 1.6.40-150600.3.3.1
- (no CPE)range: < 1.6.40-150600.3.3.1
- (no CPE)range: < 1.6.8-15.12.1
- (no CPE)range: < 1.6.34-150000.3.12.1
- (no CPE)range: < 1.6.34-150000.3.12.1
- (no CPE)range: < 1.6.34-150000.3.12.1
- (no CPE)range: < 1.6.44-160000.3.1
- (no CPE)range: < 1.6.8-15.12.1
- (no CPE)range: < 1.6.34-150000.3.12.1
- (no CPE)range: < 1.6.34-150000.3.12.1
- (no CPE)range: < 1.6.34-150000.3.12.1
- (no CPE)range: < 1.6.44-160000.3.1
- (no CPE)range: < 1.6.43-2.1
- (no CPE)range: < 1.6.43-slfo.1.1_2.1
- (no CPE)range: < 1.6.44-160000.3.1
- (no CPE)range: < 1.6.34-150000.3.12.1
- (no CPE)range: < 1.6.34-150000.3.12.1
Patches
Vulnerability mechanics
References
7- github.com/pnggroup/libpng/commit/788a624d7387a758ffd5c7ab010f1870dea753a1nvdPatch
- github.com/pnggroup/libpng/commit/a05a48b756de63e3234ea6b3b938b8f5f862484anvdPatch
- github.com/pnggroup/libpng/issues/764nvdExploitIssue TrackingPatch
- github.com/pnggroup/libpng/security/advisories/GHSA-9mpm-9pxh-mg4fnvdExploitVendor Advisory
- www.openwall.com/lists/oss-security/2025/12/03/6nvdMailing List
- www.openwall.com/lists/oss-security/2025/12/03/7nvdMailing List
- www.openwall.com/lists/oss-security/2025/12/03/8nvdMailing List
News mentions
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