CVE-2026-56848

A heap use-after-free vulnerability in the Node.js HTTP/2 component allows a remote attacker to crash the application, causing a denial of service. This is triggered by an unexpected re-entrant call to nghttp2sessionmemsend while nghttp2sessionmemrecv is still executing. Mitigation Restrict netwo...

EUVD-2026-52969

open62541 contains a heap use-after-free in the GDS PushManagement certificate update workflow when UAENABLEGDSPUSHMANAGEMENT is enabled. This allows a remote attacker to cause a denial of service...

CVE-2026-67300

FreeRDP before 3.29.0 contains client-side heap use-after-free vulnerabilities in the async update message proxy for RAIL WINDOWSTATEORDER and NOTIFYICONSTATEORDER when AsyncUpdate is enabled. When a malicious or compromised RDP server sends crafted update orders, the message proxy shallow-copies...

CVE-2026-67300

CVE-2026-67300 – FreeRDP before 3.29.0 : A client-side heap use-after-free in the async update message proxy affects RAIL WINDOW_STATE_ORDER and NOTIFY_ICON_STATE_ORDER when AsyncUpdate is enabled. If a malicious RDP server sends crafted update orders, the proxy shallow-copies structures containi...

EUVD-2026-51334

A heap use-after-free vulnerability in the TransferSubscriptions service in open62541 may allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code...

EUVD-2026-51269

In schreibfaul1 ESP32-audioI2S 3.4.5, a heap-based buffer overflow vulnerability exists in the latinToUTF8 character encoding conversion function. The function calculates required buffer size by simply doubling input length and reallocates psptr heap buffer without strict boundary validation...

xorg-x11-server: xorg-x11-server-Xwayland: xorg-x11-server: out-of-bounds heap write in DRI2 DRIGetBuffers/DRIGetBuffersWithFormat

An out-of-bounds write flaw was found in the X.Org X server and Xwayland in DRIGetBuffers/DRIGetBuffersWithFormat. A client that requests multiple DRI2BufferBackLeft attachments and one DRI2BufferFrontLeft can trigger an out-of-bounds heap write. This may be used to crash the server, or for...

CVE-2026-47178

CVE-2026-47178 affects libheif up to v1.21.2, where a crafted uncompressed HEIF image (unci codec, tiled, component-interleaved, 4:2:0) can trigger a heap out-of-bounds write in the uncompressed tile decoder. The write overwrites a nearby C++ vtable pointer, causing the next virtual call to dispa...

CVE-2026-63729 TeX Live SyncTeX Parser Heap Use-After-Free via Malformed SyncTeX File

The SyncTeX parser synctexparser.c shipped with TeX Live and embedded by downstream consumers such as GNOME Evince contains a heap use-after-free vulnerability that allows attackers to crash applications or potentially execute arbitrary code by supplying a malformed .synctex or .synctex.gz file. ...

CVE-2026-63729 TeX Live SyncTeX Parser Heap Use-After-Free via Malformed SyncTeX File

The SyncTeX parser synctexparser.c shipped with TeX Live and embedded by downstream consumers such as GNOME Evince contains a heap use-after-free vulnerability that allows attackers to crash applications or potentially execute arbitrary code by supplying a malformed .synctex or .synctex.gz file. ...

SUSE CVE-2026-57076

YAML::Syck versions before 1.47 for Perl allow a heap use-after-free via an anchor name reused as an anchors-table key in syckhdlraddanchor. In the bundled libsyck an anchor name allocated by syckstrndup is stored both as node-anchor, freed when the node is freed, and as the key in the parser's...

RLSA-2026:36215 Important: compat-openssl10 security update

The OpenSSL toolkit provides support for secure communications between machines. This version of OpenSSL package contains only the libraries and is provided for compatibility with previous releases and software that does not support compilation with OpenSSL-1.1. Security Fixes: openssl: Heap...

Linux Distros Unpatched Vulnerability : CVE-2026-61857

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ImageMagick before 7.1.2-26 contains a heap use-after-free vulnerability caused by missing null check when parsing XMP profiles. Attackers can craft malicious...

Security update for krb5

This update for krb5 fixes the following issue CVE-2026-11850: integer underflow in berval2tldata leads to heap out-of-bounds read bsc1268131. Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate or "zypper patch". Alternatively you...

openssl: Heap Use-After-Free in OpenSSL PKCS7_verify()

A flaw was found in OpenSSL. When processing a specially crafted PKCS7 or S/MIME Secure/Multipurpose Internet Mail Extensions signed message, a heap use-after-free vulnerability in the PKCS7verify function can be triggered. This occurs if the SignedData digestAlgorithms field is present as an emp...

CVE-2026-13705 Imager versions before 1.032 for Perl have a heap out-of-bounds read in the bundled Imager::File::SGI reader via a 16-bit RLE literal run in read_rgb_16_rle

Imager versions before 1.032 for Perl have a heap out-of-bounds read in the bundled Imager::File::SGI reader via a 16-bit RLE literal run in readrgb16rle. readrgb16rle guards each literal run with if count dataleft, but count is a pixel count while every 16-bit sample consumes two bytes. The copy...

CVE-2026-14191 WinRAR / UnRAR RAR5 recovery-volume (.rev) out-of-bounds heap write in RecVolumes5::ReadHeader

An out-of-bounds heap write exists in the RAR5 recovery-volume .rev parser in WinRAR and UnRAR RecVolumes5::ReadHeader in recvol5.cpp. The RecItems vector is sized only when the first .rev file in a set is processed; subsequent .rev files supply an independent RecNum value that is validated again...

DEBIAN-CVE-2026-54899

Oj Optimized JSON is a JSON parser and Object marshaller packaged as a Ruby gem. Prior to version 3.17.2, disabling symbolkeys on a reused Oj::Parser instance triggers a heap use-after-free. When symbolkeys is toggled from true to false, optsymbolkeysset frees the internal key cache cachefree but...

CVE-2026-54899

Oj Optimized JSON is a JSON parser and Object marshaller packaged as a Ruby gem. Prior to version 3.17.2, disabling symbolkeys on a reused Oj::Parser instance triggers a heap use-after-free. When symbolkeys is toggled from true to false, optsymbolkeysset frees the internal key cache cachefree but...

CVE-2026-13595 Util-linux: util-linux: heap use-after-free in libblkid nested partition probing

A flaw was found in the libblkid library of util-linux. During nested partition probing, the BSD, Minix, Solaris x86, and UnixWare partition probers cache a raw pointer to a parent partition entry in a dynamically allocated array. When subsequent partition additions cause the array to be...