PYSEC-2026-2837 Out-of-bounds Read and Out-of-bounds Write in OpenCV

An issue was discovered in OpenCV before 3.4.7 and 4.x before 4.1.1 OpenCV-Python before 3.4.7.28 and 4.x before 4.1.1.26. There is an out of bounds read/write in the function HaarEvaluator::OptFeature::calc in modules/objdetect/src/cascadedetect.hpp, which leads to denial of service...

PYSEC-2026-2808 Out-of-bounds Write in OpenCV

OpenCV Open Source Computer Vision Library 3.3 corresponding to OpenCV-Python 3.3.0.9 has an out-of-bounds write error in the function FillColorRow1 in utils.cpp when reading an image file by using cv::imread. NOTE: this vulnerability exists because of an incomplete fix for CVE-2017-12597...

PYSEC-2026-2813 Out-of-bounds Write in OpenCV

OpenCV Open Source Computer Vision Library through 3.3 corresponding to opencv-python and opencv-contrib-python through 3.3.0.9 has an out-of-bounds write error in the function FillColorRow1 in utils.cpp when reading an image file by using cv::imread...

PYSEC-2026-2815 Out-of-bounds Write in OpenCV

OpenCV Open Source Computer Vision Library through 3.3 corresponding to OpenCV-Python and OpenCV-Contrib-Python 3.3.0.9 has an out-of-bounds write error in the FillUniColor function in utils.cpp when reading an image file by using cv::imread...

PYSEC-2026-2830 Out-of-bounds Write in OpenCV

OpenCV Open Source Computer Vision Library through 3.3 corresponding to OpenCV-Python and OpenCV-Contrib-Python 3.3.0.9 has an out-of-bounds write error in the function FillColorRow4 in utils.cpp when reading an image file by using cv::imread...

PYSEC-2026-2829 Out-of-bounds Write in OpenCV

OpenCV Open Source Computer Vision Library through 3.3 corresponding to OpenCV-Python and OpenCV-Contrib-Python 3.3.0.9 has an out-of-bounds write error in the FillColorRow8 function in utils.cpp when reading an image file by using cv::imread...

CVE-2026-42486

This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. XAPI can configure different users with different roles, using Role Based Access Control. For more details, see:...

ALPINE-CVE-2026-42486

This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. XAPI can configure different users with different roles, using Role Based Access Control. For more details, see:...

CVE-2026-23561

This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. XAPI can configure different users with different roles, using Role Based Access Control. For more details, see:...

ALPINE-CVE-2026-23559

This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. XAPI can configure different users with different roles, using Role Based Access Control. For more details, see:...

CVE-2026-23559

CVE-2026-23559 (and related RBAC issues 23560–23562, 42486) affect XAPI in XenServer/XCP-ng where a vm-admin can abuse RBAC to gain higher privileges, including arbitrary read/modify of dom0 files via VBD.other_config, alter system-domain status, disrupt PBD/storage-domain mappings, and potential...

Directory Traversal

Overview Affected versions of this package are vulnerable to Directory Traversal via unsanitized input in the slug field during the export process. An attacker can cause arbitrary files and directories to be created or overwritten outside the intended export directory by submitting specially...

Note Mark: Path traversal via unsanitized book/note slug in migrate export (sibling of GHSA-g49p)

Summary Note Mark validates book and note slug values with the OpenAPI/huma tag pattern:"a-z0-9-+". huma compiles this with regexp.MustCompiles.Pattern and tests it with patternRe.MatchStringstr, an UNANCHORED match. Because the pattern is not anchored ^...$, any string that merely CONTAINS one...

CVE-2026-54591

A flaw was found in AsyncSSH, a Python package for SSHv2 protocol implementation. A malicious SSH server could exploit this vulnerability by sending specially crafted filenames containing directory traversal sequences to an AsyncSSH SCP client. This could allow the server to write arbitrary files...

LibreOffice: LibreOffice: Denial of Service via crafted OOXML documents

A flaw was found in LibreOffice. A remote attacker could exploit this out-of-bounds write vulnerability by tricking a user into opening a specially crafted OOXML Office Open XML document with mismatched encryption salt parameters. This could lead to a denial of service DoS, making the application...

LibreOffice: LibreOffice: Denial of Service via crafted OOXML documents

A flaw was found in LibreOffice. A remote attacker could exploit this out-of-bounds write vulnerability by tricking a user into opening a specially crafted OOXML Office Open XML document with mismatched encryption salt parameters. This could lead to a denial of service DoS, making the application...

CVE-2026-58304

Out-of-bounds read, Out-of-bounds write vulnerability in Samsung Open Source Escargot allows Overflow Buffers. This issue affects Escargot: before 779f6bedf58f334dec64b0a51ebb724b4708b84a...

OESA-2026-2951 qemu security update

QEMU is a FAST! processor emulator using dynamic translation to achieve good emulation speed. Security Fixes: A flaw was found in QEMU's virtio-blk device. The issue arises because the device does not properly validate the size of input descriptors before writing data. A malicious guest with high...

OESA-2026-2952 qemu security update

QEMU is a FAST! processor emulator using dynamic translation to achieve good emulation speed. Security Fixes: A vulnerability, which was classified as critical, has been found in QEMU Virtualization Software version unknown.Using CWE to declare the problem leads to CWE-190. The product performs a...

OESA-2026-2928 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: An out-of-bounds read i...