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8.3 High

CVE-2026-25646 LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network…

Description

LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. Prior to 1.6.55, an out-of-bounds read vulnerability exists in the png_set_quantize() API function. When the function is called with no histogram and the number of colors in the palette is more than twice the maximum supported by the user's display, certain palettes will cause the function to enter into an infinite loop that reads past the end of an internal heap-allocated buffer. The images that trigger this vulnerability are valid per the PNG specification. This vulnerability is fixed in 1.6.55.

Affected products and versions

Product Affected versions Fixed in
libpng 1.6 earliest → < 1.6.55 1.6.55
Red Hat Enterprise Linux Server (v. 7 ELS) Versions not published
Red Hat OpenJDK 11 ELS for RHEL 7 Versions not published
Red Hat Enterprise Linux Server Optional (v. 7 ELS) Versions not published
Red Hat OpenJDK 11 ELS for RHEL 8 Versions not published
Red Hat OpenShift Container Platform 4.12 412.86 earliest → < 412.86.202604281506-0 412.86.202604281506-0
Red Hat OpenJDK 11 ELS for RHEL 9 Versions not published
Red Hat OpenShift Container Platform 4.13 413.92 earliest → < 413.92.202604080111-0 413.92.202604080111-0
Red Hat OpenShift Container Platform 4.14 414.92 earliest → < 414.92.202605060243-0 414.92.202605060243-0
Show the 71 other branches
Product Affected versions Fixed in
Red Hat OpenShift Container Platform 4.15 415.92 earliest → < 415.92.202605060220-0 415.92.202605060220-0
Red Hat OpenShift Container Platform 4.16 416.94 earliest → < 416.94.202604211449-0 416.94.202604211449-0
Red Hat OpenShift Container Platform 4.17 417.94 earliest → < 417.94.202605112123-0 417.94.202605112123-0
Red Hat OpenShift Container Platform 4.18 418.94 earliest → < 418.94.202603261158-0 418.94.202603261158-0
Red Hat OpenShift Container Platform 4.19 4.19 earliest → < 4.19.9.6.202604080618-0 4.19.9.6.202604080618-0
Red Hat Enterprise Linux AppStream EUS (v. 10.0) Versions not published
Red Hat Enterprise Linux AppStream (v. 10) Versions not published
Red Hat Enterprise Linux AppStream (v. 8) Versions not published
Red Hat Enterprise Linux AppStream AUS (v. 8.2) Versions not published
Red Hat Enterprise Linux AppStream AUS (v.8.4) Versions not published
Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) Versions not published
Red Hat Enterprise Linux AppStream AUS (v.8.6) Versions not published
Red Hat Enterprise Linux AppStream E4S (v.8.6) Versions not published
Red Hat Enterprise Linux AppStream TUS (v.8.6) Versions not published
Red Hat Enterprise Linux AppStream E4S (v.8.8) Versions not published
Red Hat Enterprise Linux AppStream TUS (v.8.8) Versions not published
Red Hat Enterprise Linux AppStream E4S (v.9.0) Versions not published
Red Hat Enterprise Linux AppStream E4S (v.9.2) Versions not published
Red Hat Enterprise Linux AppStream EUS (v.9.4) Versions not published
Red Hat Enterprise Linux AppStream EUS (v.9.6) Versions not published
Red Hat Enterprise Linux AppStream (v. 9) Versions not published
Red Hat Enterprise Linux BaseOS EUS (v. 10.0) Versions not published
Red Hat Enterprise Linux BaseOS (v. 10) Versions not published
Red Hat Enterprise Linux BaseOS (v. 8) Versions not published
Red Hat Enterprise Linux BaseOS AUS (v. 8.2) Versions not published
Red Hat Enterprise Linux BaseOS AUS (v.8.4) Versions not published
Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4) Versions not published
Red Hat Enterprise Linux BaseOS AUS (v.8.6) Versions not published
Red Hat Enterprise Linux BaseOS E4S (v.8.6) Versions not published
Red Hat Enterprise Linux BaseOS TUS (v.8.6) Versions not published
Red Hat Enterprise Linux BaseOS E4S (v.8.8) Versions not published
Red Hat Enterprise Linux BaseOS TUS (v.8.8) Versions not published
Red Hat Enterprise Linux BaseOS E4S (v.9.0) Versions not published
Red Hat Enterprise Linux BaseOS E4S (v.9.2) Versions not published
Red Hat Enterprise Linux BaseOS EUS (v.9.4) Versions not published
Red Hat Enterprise Linux BaseOS EUS (v.9.6) Versions not published
Red Hat Enterprise Linux BaseOS (v. 9) Versions not published
Red Hat Enterprise Linux CRB (v. 8) Versions not published
Red Hat CodeReady Linux Builder EUS (v.9.4) Versions not published
Red Hat CodeReady Linux Builder EUS (v.9.6) Versions not published
Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) Versions not published
OPENJDK ELS 11.0.31 Versions not published
Red Hat AI Inference Server 3.3 1775749857 earliest → < 1775749857 1775749857
Red Hat Build of OpenJDK 17.0.9 Versions not published
Red Hat Ceph Storage 8 1774002867 earliest → < 1774002867 1774002867
Red Hat Discovery 2 1773273070 earliest → < 1773273070 1773273070
Red Hat Hardened Images 1.6 earliest → < 1.6.56-1.hum1 1.6.56-1.hum1
Red Hat build of OpenJDK 1.8 Versions not published
Red Hat build of OpenJDK 21 Versions not published
Red Hat build of OpenJDK 25 Versions not published
Red Hat Enterprise Linux 10 Versions not published
Red Hat Enterprise Linux 6 Versions not published
Red Hat Enterprise Linux 8 Versions not published
Red Hat Enterprise Linux 9 Versions not published
Red Hat Enterprise Linux 7 Versions not published
Red Hat Enterprise Linux 10.0 Extended Update Support Versions not published
Red Hat Enterprise Linux 7 Extended Lifecycle Support Versions not published
Red Hat Enterprise Linux 8.2 Advanced Update Support Versions not published
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Versions not published
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On Versions not published
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Versions not published
Red Hat Enterprise Linux 8.6 Telecommunications Update Service Versions not published
Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions Versions not published
Red Hat Enterprise Linux 8.8 Telecommunications Update Service Versions not published
Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Versions not published
Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions Versions not published
Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Versions not published
Red Hat Enterprise Linux 9.4 Extended Update Support Versions not published
Red Hat Enterprise Linux 9.6 Extended Update Support Versions not published
Red Hat build of OpenJDK 11 ELS Versions not published
Red Hat build of OpenJDK 17 Versions not published

References

Timeline

  1. Published
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Other CVEs of libpng

The 13 CVEs of libpng →
CVE-2026-40930 LIBPNG is a reference library for use in applications that process PNG (Portable Network Graphics) raster image files 5.4 Medium CVE-2026-34757 LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network… 5.1 Medium CVE-2026-33636 LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network… 7.6 High CVE-2026-33416 LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network… 7.5 High
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