vm2's Transformer Fast-Path Bypass Exposes Internal State Variable

Summary vm2's code transformer has a performance optimization that skips AST analysis when the code does not contain catch, import, or async keywords. This fast-path bypass allows sandboxed code to directly access the internal VM2INTERNALSTATEDONOTUSEORPROGRAMWILLFAIL variable, which exposes...

PT-2026-38394

Name of the Vulnerable Software and Affected Versions vm2 versions prior to 3.11.0 Description A performance optimization in the code transformer skips AST Abstract Syntax Tree analysis when the code does not contain the keywords catch, import, or async. This fast-path bypass allows sandboxed cod...

USN-8233-1 nghttp2 vulnerability

Andrew MacPherson discovered that nghttp2 did not properly validate internal state when the session termination API was called. A remote attacker could possibly use this issue to cause nghttp2 to crash, resulting in a denial of service...

USN-8233-1: nghttp2 vulnerability

Andrew MacPherson discovered that nghttp2 did not properly validate internal state when the session termination API was called. A remote attacker could possibly use this issue to cause nghttp2 to crash, resulting in a denial of service...

PT-2026-38082

Name of the Vulnerable Software and Affected Versions nghttp2 versions prior to 1.40.0-1ubuntu0.3+esm1 Description nghttp2 fails to properly validate internal state when the session termination API is called. A remote attacker could exploit this to cause the software to crash, leading to a denial...

freerdp: FreeRDP has a Heap-use-after-free in play_thread

A heap use after free has been discovered in FreeRDP. The RDPSND async playback thread can process queued PDUs after the channel is closed and internal state is freed, leading to a use after free in rdpsndtreatwave...

RockyLinux 8 : webkit2gtk3 (RLSA-2026:10702)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:10702 advisory. webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash CVE-2025-43213 webkitgtk: Processing maliciously crafted we...

libpng: LIBPNG out-of-bounds read in png_image_read_composite

An out of bounds read vulnerability has been discovered in libpng. This vulnerability is in libpng's simplified API allows reading up to 1012 bytes beyond the pngsRGBbase512 array when processing valid palette PNG images with partial transparency and gamma correction. The PNG files that trigger...

libpng: LIBPNG out-of-bounds read in png_image_read_composite

An out of bounds read vulnerability has been discovered in libpng. This vulnerability is in libpng's simplified API allows reading up to 1012 bytes beyond the pngsRGBbase512 array when processing valid palette PNG images with partial transparency and gamma correction. The PNG files that trigger...

libpng: LIBPNG out-of-bounds read in png_image_read_composite

An out of bounds read vulnerability has been discovered in libpng. This vulnerability is in libpng's simplified API allows reading up to 1012 bytes beyond the pngsRGBbase512 array when processing valid palette PNG images with partial transparency and gamma correction. The PNG files that trigger...

libpng: LIBPNG out-of-bounds read in png_image_read_composite

An out of bounds read vulnerability has been discovered in libpng. This vulnerability is in libpng's simplified API allows reading up to 1012 bytes beyond the pngsRGBbase512 array when processing valid palette PNG images with partial transparency and gamma correction. The PNG files that trigger...

nghttp2: nghttp2: Denial of Service via malformed HTTP/2 frames after session termination

A flaw was found in nghttp2. Due to missing internal state validation, the library continues to process incoming data even after a session has been terminated. A remote attacker could exploit this by sending a specially crafted HTTP/2 frame, leading to an assertion failure and a denial of service...

nghttp2: nghttp2: Denial of Service via malformed HTTP/2 frames after session termination

A flaw was found in nghttp2. Due to missing internal state validation, the library continues to process incoming data even after a session has been terminated. A remote attacker could exploit this by sending a specially crafted HTTP/2 frame, leading to an assertion failure and a denial of service...

Security update for webkit2gtk3

This update for webkit2gtk3 fixes the following issues: Update to version 2.52.1. Security issues fixed: CVE-2023-43010: processing maliciously crafted web content may lead to memory corruption bsc1259950. CVE-2025-31223: processing maliciously crafted web content may lead to memory corruption...

nghttp2: nghttp2: Denial of Service via malformed HTTP/2 frames after session termination

A flaw was found in nghttp2. Due to missing internal state validation, the library continues to process incoming data even after a session has been terminated. A remote attacker could exploit this by sending a specially crafted HTTP/2 frame, leading to an assertion failure and a denial of service...

nghttp2: nghttp2: Denial of Service via malformed HTTP/2 frames after session termination

A flaw was found in nghttp2. Due to missing internal state validation, the library continues to process incoming data even after a session has been terminated. A remote attacker could exploit this by sending a specially crafted HTTP/2 frame, leading to an assertion failure and a denial of service...

freerdp: FreeRDP has a Heap-use-after-free in play_thread

A heap use after free has been discovered in FreeRDP. The RDPSND async playback thread can process queued PDUs after the channel is closed and internal state is freed, leading to a use after free in rdpsndtreatwave...

freerdp: FreeRDP has a Heap-use-after-free in play_thread

A heap use after free has been discovered in FreeRDP. The RDPSND async playback thread can process queued PDUs after the channel is closed and internal state is freed, leading to a use after free in rdpsndtreatwave...

SUSE SLES15 Security Update : webkit2gtk3 (SUSE-SU-2026:1150-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1150-1 advisory. Update to version 2.52.0: - CVE-2023-43010: processing maliciously crafted web content may lead to memory corruption bsc1259950. -...

Security update for webkit2gtk3

This update for webkit2gtk3 fixes the following issues: Update to version 2.52.0: CVE-2023-43010: processing maliciously crafted web content may lead to memory corruption bsc1259950. CVE-2025-31223: processing maliciously crafted web content may lead to memory corruption bsc1259949. CVE-2025-3127...