CVE-2026-39919 Ghostscript < 10.08.0 Heap Buffer Overflow via JPEG 2000 Output Adapter

Ghostscript before 10.08.0 contains a heap-based buffer overflow vulnerability in the JPEG 2000 output adapter base/sjpxopenjpeg.c that allows attackers to cause memory corruption by supplying a crafted PDF containing a JPEG 2000 image with mismatched component subsampling factors. When image...

K000162604: NGINX ngx_http_v3_module vulnerability CVE-2026-90439

Security Advisory Description NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpv3module module. When using HTTP/3 with OpenSSL versions 3.5.0 and earlier under certain configurations, a limited heap buffer overflow could happen while processing a Transport Layer Security TLS...

openssl: OpenSSL: Heap buffer overflow due to signed integer overflow in Unicode output sizing

A flaw was found in OpenSSL. A signed integer overflow vulnerability exists when sizing the destination buffer for Unicode output. This can lead to a heap buffer overflow, which may result in a crash or potentially allow an attacker to execute arbitrary code. Exploitation requires an application ...

openssl: OpenSSL: Heap buffer over-read in ASN.1 decoding can lead to denial of service or information disclosure.

A flaw was found in OpenSSL. An integer truncation vulnerability in the ASN.1 decoder can occur when processing a crafted DER-encoded ASN.1 structure with a primitive element exceeding 2 gigabytes. A remote attacker could exploit this to cause a heap buffer over-read. This may lead to an...

RLSA-2026:67154 Important: openssl security, bug fix, and enhancement update

OpenSSL is a toolkit that implements the Secure Sockets Layer SSL and Transport Layer Security TLS protocols, as well as a full-strength general-purpose cryptography library. Security Fixes: openssl: OpenSSL: Denial of Service via unbounded memory growth in QUIC server CVE-2026-14456 openssl: QUI...

openssl security, bug fix, and enhancement update

An update is available for openssl. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list OpenSSL is a toolkit that implements the Secure Sockets Layer SSL and...

postgresql: PostgreSQL: Arbitrary code execution via heap buffer overflow in regexp

A flaw was found in PostgreSQL. A heap buffer overflow vulnerability exists in the regexp component, which can be triggered by a query author providing text that does not pass encoding validation. This can lead to unanticipated data growth, allowing the attacker to execute arbitrary code as the...

postgresql: PostgreSQL: Arbitrary code execution via long POSIX timezone abbreviation

A heap buffer overflow flaw was found in the PostgreSQL tochartimestamptz function. An attacker can exploit this by supplying an overly long POSIX timezone abbreviation to execute arbitrary code as the database's operating system user, potentially resulting in complete system compromise...

postgresql: PostgreSQL pg_dump: Arbitrary code execution via crafted transform lists

A flaw was found in PostgreSQL pgdump. A heap buffer overflow vulnerability exists when processing long function transform lists. An authenticated object creator can exploit this by providing a specially crafted transform list. This allows the attacker to execute arbitrary code as the operating...

postgresql: PostgreSQL: Arbitrary code execution via plperl tied hash heap buffer overflow

A flaw was found in PostgreSQL. A heap buffer overflow vulnerability exists in the plperl component when returning a tied hash. This allows a function owner to execute arbitrary code as the operating system user running the database by providing a specially crafted function body. This could lead ...

Important: Red Hat Security Advisory: postgresql:16 security update

An update for the postgresql:16 module is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

CVE-2026-91086

A security vulnerability has been detected in GPAC up to f1219cde. Affected by this issue is the function mpgviddmxprocess of the file filters/reframempgvid.c of the component MPEG Video Reframer. Such manipulation leads to heap-based buffer overflow. The attack can be executed remotely. The...

CVE-2026-91088

A vulnerability has been found in GPAC up to f1219cde. This issue affects the function gfurlconcatenateex of the file utils/url.c of the component URL Handler. The manipulation leads to heap-based buffer overflow. An attack has to be approached locally. Upgrading to version abi-16.23 is capable o...

UBUNTU-CVE-2026-91086

A security vulnerability has been detected in GPAC up to f1219cde. Affected by this issue is the function mpgviddmxprocess of the file filters/reframempgvid.c of the component MPEG Video Reframer. Such manipulation leads to heap-based buffer overflow. The attack can be executed remotely. The...

CVE-2026-91088

GPAC is affected by a heap-based buffer overflow in the gf_url_concatenate_ex function located in utils/url.c (URL Handler component), affecting versions up to commit f1219cde. The flaw is triggered locally with low privileges and passive user interaction, leading to low impact on confidentiality...

CVE-2026-91086 GPAC MPEG Video Reframer reframe_mpgvid.c mpgviddmx_process heap-based overflow

A security vulnerability has been detected in GPAC up to f1219cde. Affected by this issue is the function mpgviddmxprocess of the file filters/reframempgvid.c of the component MPEG Video Reframer. Such manipulation leads to heap-based buffer overflow. The attack can be executed remotely. The...

SUSE CVE-2026-18495

A flaw was found in libtiff. A heap-buffer overflow vulnerability exists in the tiff2pdf utility due to an integer truncation error when processing crafted BigTIFF files. An attacker can provide a specially crafted BigTIFF file, causing a 64-bit StripByteCounts value to be truncated to a 32-bit...

SUSE CVE-2026-89266

stbvorbis through 1.22 contains a heap buffer overflow in startdecoder where the codebook multiplicands allocation size is truncated from sizet to int. Attackers can craft a malicious Ogg Vorbis file with large entries and dimensions values to trigger out-of-bounds writes, causing process crashes...

SUSE CVE-2026-90556

Freeciv versions before 3.2.6 contain a heap buffer overflow in worklistload when processing savegame files with declared worklist lengths exceeding the fixed array bound of 64 elements. Attackers can craft malicious savegame files that write past the entries array into adjacent heap-allocated...

OSV-2026-1281 Heap-buffer-overflow in md_decode_utf8__

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=560854538 Crash type: Heap-buffer-overflow READ 1 Crash state: mddecodeutf8 mdlabelhash mdlookuplabelhashtable...