CVE-2026-18355: Integer Underflow (Wrap or Wraparound)

A heap buffer overflow flaw was found in the SASL I/O layer of 389 Directory Server 389-ds-base. In sasliostartpacket, the wrapped-record length read from the wire is validated only against an upper bound. A small wire length 0, 1, or 2 produces an encryptedbuffercount below the already-consumed...

TencentOS Server 4: perl-XML-Parser (TSSA-2026:0964)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2026:0964 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:...

libxml2: libxml2: Arbitrary code execution via heap-based buffer overflow

A flaw was found in libxml2, a software library for parsing XML documents. An integer overflow within the xmlDictAddQString function can lead to a heap-based buffer overflow. This vulnerability could allow a local attacker to execute arbitrary code on the system, potentially compromising its...

libxml2: libxml2: Heap-based buffer overflow in xmlXPtrEval due to xpointer length saturation

A flaw in libxml2's xmlXPtrEvalXPtrPart function allows a local attacker to cause a heap-based buffer overflow. An integer overflow while processing an oversized xpointer expression leads to incorrect memory allocation and an out-of-bounds write, potentially resulting in information disclosure,...

freerdp:TestFuzzClientRdpFile: Heap-buffer-overflow in CommandLineParseCommaSeparatedValuesEx

Project: https://github.com/FreeRDP/FreeRDP.git Detailed Report: https://oss-fuzz.com/testcase?key=6177768388493312 Project: freerdp Fuzzing Engine: honggfuzz Fuzz Target: TestFuzzClientRdpFile Job Type: honggfuzzasanfreerdp Platform Id: linux Crash Type: Heap-buffer-overflow READ 1 Crash Address...

Linux Distros Unpatched Vulnerability : CVE-2026-57164

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - PJSIP is a free and open source multimedia communication library written in C. Prior to commit 8d5956a, a heap buffer overflow exists in the PJLIB-UTIL HTTP...

OESA-2026-3655 libtiff security update

This provides support for the Tag Image File Format TIFF, a widely used format for storing image data. The latest version of the TIFF specification is available on-line in several different formats.And contains command-line programs for manipulating TIFF format image files using the libtiff...

OESA-2026-3654 libtiff security update

This provides support for the Tag Image File Format TIFF, a widely used format for storing image data. The latest version of the TIFF specification is available on-line in several different formats.And contains command-line programs for manipulating TIFF format image files using the libtiff...

OESA-2026-3638 ffmpeg security update

FFmpeg is a complete and free Internet live audio and video broadcasting solution for Linux/Unix. It also includes a digital VCR. It can encode in real time in many formats including MPEG1 audio and video, MPEG4, h263, ac3, asf, avi, real, mjpeg, and flash. Security Fixes: FFmpeg versions from 0....

OESA-2026-3634 libvirt security update

Libvirt is a C toolkit to interact with the virtualization capabilities of recent versions of Linux and other OSes. The main package includes the libvirtd server exporting the virtualization support. Security Fixes: A flaw was found in libvirt. An unprivileged local user could exploit an integer...

OESA-2026-3635 libvirt security update

Libvirt is a C toolkit to interact with the virtualization capabilities of recent versions of Linux and other OSes. The main package includes the libvirtd server exporting the virtualization support. Security Fixes: A flaw was found in libvirt. An unprivileged local user could exploit an integer...

OESA-2026-3633 libvirt security update

Libvirt is a C toolkit to interact with the virtualization capabilities of recent versions of Linux and other OSes. The main package includes the libvirtd server exporting the virtualization support. Security Fixes: A flaw was found in libvirt. An unprivileged local user could exploit an integer...

OESA-2026-3632 libvirt security update

Libvirt is a C toolkit to interact with the virtualization capabilities of recent versions of Linux and other OSes. The main package includes the libvirtd server exporting the virtualization support. Security Fixes: A flaw was found in libvirt. An unprivileged local user could exploit an integer...

OESA-2026-3601 aom security update

The Alliance for Open Media’s focus is to deliver a next-generation video format that is: Security Fixes: An arbitrary address write vulnerability was found in libaom, the reference AV1 codec implementation. A missing bounds check in the SVC Scalable Video Coding layer ID control function allows ...

wasm3:fuzzer: Heap-buffer-overflow in m3_CallVL

Project: https://github.com/wasm3/wasm3.git Detailed Report: https://oss-fuzz.com/testcase?key=6319953280827392 Project: wasm3 Fuzzing Engine: libFuzzer Fuzz Target: fuzzer Job Type: libfuzzerasanwasm3 Platform Id: linux Crash Type: Heap-buffer-overflow WRITE 4 Crash Address: 0x77e5c33e00d0 Crash...

zlib 1.3.1.2 through 1.3.2 Heap Buffer Overflow via gz_vacate

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AZL-99720 CVE-2026-86142 affecting package libxml2 for versions less than 2.11.5-11

In libxml2 before 2.15.4, there is a heap-based buffer overflow in xmlXPtrEvalXPtrPart because of xmlXPtrEval xpointer length saturation...

CVE-2026-86142

In libxml2 before 2.15.4, there is a heap-based buffer overflow in xmlXPtrEvalXPtrPart because of xmlXPtrEval xpointer length saturation...

CVE-2026-86138

In libxml2 before 2.15.4, xmlDictAddQString in dict.c has an integer overflow and resultant heap-based buffer overflow...

AZL-99711 CVE-2026-86138 affecting package libxml2 for versions less than 2.11.5-11

In libxml2 before 2.15.4, xmlDictAddQString in dict.c has an integer overflow and resultant heap-based buffer overflow...