CVE-2026-77021

Improper handling of highly compressed data data amplification in Checkmk 2.5.0p14, 2.4.0p37, 2.3.0p51 and 2.2.0 EOL allows an attacker who controls a host registered for push mode to exhaust the memory of the agent receiver by sending a small zlib compressed payload that decompresses to an...

CVE-2026-77021 Missing decompression size limit in agent receiver allows memory exhaustion via push agent data

Improper handling of highly compressed data data amplification in Checkmk 2.5.0p14, 2.4.0p37, 2.3.0p51 and 2.2.0 EOL allows an attacker who controls a host registered for push mode to exhaust the memory of the agent receiver by sending a small zlib compressed payload that decompresses to an...

CVE-2026-77021: Improper Handling of Highly Compressed Data (Data Amplification)

Improper handling of highly compressed data data amplification in Checkmk 2.5.0p14, 2.4.0p37, 2.3.0p51 and 2.2.0 EOL allows an attacker who controls a host registered for push mode to exhaust the memory of the agent receiver by sending a small zlib compressed payload that decompresses to an...

CLSA-2026-1788344031 Fix CVE(s): CVE-2026-40930

SECURITY UPDATE: chunk data smuggling in the APNG push-mode reader - debian/patches/CVE-2026-40930.patch: consume the chunk body and the CRC field in the three inter-frame discard paths of pngpushreadchunk pngpread.c, so that bytes inside an ignored chunk are no longer reinterpreted as a fresh...

Interpretation Conflict

Overview Affected versions of this package are vulnerable to Interpretation Conflict in the pngpushreadchunk function in the push-mode APNG parser. An attacker can inject chunked data with a malicious PNG file containing attacker-controlled bytes in an ignored ancillary chunk, which are then...

AZL-89507 CVE-2026-40930 affecting package libpng15 1.5.30-15

LIBPNG is a reference library for use in applications that process PNG Portable Network Graphics raster image files. In version 1.8.0, three inter-frame chunk discard paths in the push-mode APNG parser clear the chunk-header flag without consuming the chunk body and CRC, allowing...

CVE-2026-40930

LIBPNG is a reference library for use in applications that process PNG Portable Network Graphics raster image files. In version 1.8.0, three inter-frame chunk discard paths in the push-mode APNG parser clear the chunk-header flag without consuming the chunk body and CRC, allowing...

AZL-89501 CVE-2026-40930 affecting package fltk 1.3.8-1

LIBPNG is a reference library for use in applications that process PNG Portable Network Graphics raster image files. In version 1.8.0, three inter-frame chunk discard paths in the push-mode APNG parser clear the chunk-header flag without consuming the chunk body and CRC, allowing...

AZL-89516 CVE-2026-40930 affecting package optipng 0.7.8-5

LIBPNG is a reference library for use in applications that process PNG Portable Network Graphics raster image files. In version 1.8.0, three inter-frame chunk discard paths in the push-mode APNG parser clear the chunk-header flag without consuming the chunk body and CRC, allowing...

AZL-89504 CVE-2026-40930 affecting package gdal 3.6.3-2

LIBPNG is a reference library for use in applications that process PNG Portable Network Graphics raster image files. In version 1.8.0, three inter-frame chunk discard paths in the push-mode APNG parser clear the chunk-header flag without consuming the chunk body and CRC, allowing...

AZL-89513 CVE-2026-40930 affecting package openjpeg2 2.3.1-12

LIBPNG is a reference library for use in applications that process PNG Portable Network Graphics raster image files. In version 1.8.0, three inter-frame chunk discard paths in the push-mode APNG parser clear the chunk-header flag without consuming the chunk body and CRC, allowing...

CVE-2026-40930

LIBPNG is a reference library for use in applications that process PNG Portable Network Graphics raster image files. In version 1.8.0, three inter-frame chunk discard paths in the push-mode APNG parser clear the chunk-header flag without consuming the chunk body and CRC, allowing...

CVE-2026-40930 LIBPNG: Chunk smuggling in push-mode APNG parser via unconsumed chunk body

LIBPNG is a reference library for use in applications that process PNG Portable Network Graphics raster image files. In version 1.8.0, three inter-frame chunk discard paths in the push-mode APNG parser clear the chunk-header flag without consuming the chunk body and CRC, allowing...

CVE-2026-40930

LIBPNG is a reference library for use in applications that process PNG Portable Network Graphics raster image files. In version 1.8.0, three inter-frame chunk discard paths in the push-mode APNG parser clear the chunk-header flag without consuming the chunk body and CRC, allowing...

CVE-2026-40930 LIBPNG: Chunk smuggling in push-mode APNG parser via unconsumed chunk body

LIBPNG is a reference library for use in applications that process PNG Portable Network Graphics raster image files. In version 1.8.0, three inter-frame chunk discard paths in the push-mode APNG parser clear the chunk-header flag without consuming the chunk body and CRC, allowing...

CVE-2026-40930 LIBPNG: Chunk smuggling in push-mode APNG parser via unconsumed chunk body

LIBPNG is a reference library for use in applications that process PNG Portable Network Graphics raster image files. In version 1.8.0, three inter-frame chunk discard paths in the push-mode APNG parser clear the chunk-header flag without consuming the chunk body and CRC, allowing...

CVE-2026-40930: Interpretation Conflict

LIBPNG is a reference library for use in applications that process PNG Portable Network Graphics raster image files. In version 1.8.0, three inter-frame chunk discard paths in the push-mode APNG parser clear the chunk-header flag without consuming the chunk body and CRC, allowing...

PT-2026-42116

Name of the Vulnerable Software and Affected Versions libpng-apng affected versions not specified Description An issue exists in the push-mode APNG parser where chunk smuggling is possible via an unconsumed chunk body. This occurs within the third-party libpng-apng patch. Recommendations At the...

SUSE SLES16: keylime-config / keylime-firewalld / keylime-logrotate / etc (SUSE-SU-2025:21194-1)

The remote SUSE Linux SLES16 / SLESSAP16 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:21194-1 advisory. Update to version 7.13.0+40. Security issues fixed: - CVE-2025-13609: possible agent identity takeover due to registrar allowing t...

openSUSE 16 Security Update : keylime (openSUSE-SU-2025:20159-1)

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2025:20159-1 advisory. Update to version 7.13.0+40. Security issues fixed: - CVE-2025-13609: possible agent identity takeover due to registrar allowing the registratio...