6127 matches found
RHSA-2026:19155 Red Hat Security Advisory: python-markdown security update
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python-markdown: denial of service via malformed HTML-like sequences
A flaw was found in Python-Markdown. Parsing crafted markdown content containing malformed HTML-like sequences causes html.parser.HTMLParser to raise an unhandled AssertionError. This unhandled exception allows an attacker to cause an application crash and potentially disclose sensitive informati...
Important: Red Hat Security Advisory: python-markdown security update
An update for python-markdown 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 vulnerabilit...
python-markdown: denial of service via malformed HTML-like sequences
A flaw was found in Python-Markdown. Parsing crafted markdown content containing malformed HTML-like sequences causes html.parser.HTMLParser to raise an unhandled AssertionError. This unhandled exception allows an attacker to cause an application crash and potentially disclose sensitive informati...
Important: Red Hat Security Advisory: python-markdown security update
An update for python-markdown is now available for Red Hat Enterprise Linux 10. 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 vulnerabili...
semantic-compressor
Semantic Compressor Store the recipe of a database, not...
EUVD-2026-30835
The /api/v1/autotranslate.translateMessage endpoint in versions 8.5.0, 8.4.2, 8.3.4, 8.2.4, 8.1.5, 8.0.6, 7.13.8, and 7.10.12 allows any authenticated user to retrieve the full content of any message from any room private groups, direct messages, channels by simply providing the target message ID...
RHEL 10 : python-markdown (RHSA-2026:19155)
The remote Redhat Enterprise Linux 10 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:19155 advisory. Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic...
RHEL 9 : python-markdown (RHSA-2026:19366)
The remote Redhat Enterprise Linux 9 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:19366 advisory. Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic da...
ALSA-2026:19366 Important: python-markdown security update
Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems. Security Fixes:...
ALSA-2026:19155 Important: python-markdown security update
Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems. Security Fixes:...
Important: python-markdown security update
Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems. Security Fixes:...
md4c:fuzz-mdhtml: Heap-buffer-overflow in md_build_attribute
Project: https://github.com/mity/md4c.git Detailed Report: https://oss-fuzz.com/testcase?key=6428197876203520 Project: md4c Fuzzing Engine: libFuzzer Fuzz Target: fuzz-mdhtml Job Type: libfuzzerasanmd4c Platform Id: linux Crash Type: Heap-buffer-overflow READ 1 Crash Address: 0x76e0d3ee0e04 Crash...
GHSA-97R8-RF7Q-WMJW Sveltia CMS: Stored XSS in entry summary rendering via entity-decoded HTML
Impact A stored cross-site scripting XSS vulnerability affected entry summary rendering in Sveltia CMS. Entry summaries that allowed limited Markdown were parsed, sanitized, and then HTML entities were decoded. This order allowed specially crafted entity-encoded HTML, such as encoded tags or even...
Sveltia CMS: Stored XSS in entry summary rendering via entity-decoded HTML
Impact A stored cross-site scripting XSS vulnerability affected entry summary rendering in Sveltia CMS. Entry summaries that allowed limited Markdown were parsed, sanitized, and then HTML entities were decoded. This order allowed specially crafted entity-encoded HTML, such as encoded tags or even...
Mattermost doesn't validate the X-Requested-With header on the burn-on-read reveal endpoint
Mattermost versions 11.5.x = 11.5.1, 11.4.x = 11.4.3 fail to validate the X-Requested-With header on the burn-on-read reveal endpoint which allows an authenticated channel member to force the reveal of a burn-on-read message without recipient consent via a crafted Markdown image tag.. Mattermost...
GHSA-XVCX-MGPC-5XH3 Mattermost doesn't validate the X-Requested-With header on the burn-on-read reveal endpoint
Mattermost versions 11.5.x = 11.5.1, 11.4.x = 11.4.3 fail to validate the X-Requested-With header on the burn-on-read reveal endpoint which allows an authenticated channel member to force the reveal of a burn-on-read message without recipient consent via a crafted Markdown image tag.. Mattermost...
CVE-2026-6339
Mattermost versions 11.5.x = 11.5.1, 11.4.x = 11.4.3 fail to validate the X-Requested-With header on the burn-on-read reveal endpoint which allows an authenticated channel member to force the reveal of a burn-on-read message without recipient consent via a crafted Markdown image tag.. Mattermost...
CVE-2026-6339 Missing request origin validation on burn-on-read reveal endpoint
Mattermost versions 11.5.x = 11.5.1, 11.4.x = 11.4.3 fail to validate the X-Requested-With header on the burn-on-read reveal endpoint which allows an authenticated channel member to force the reveal of a burn-on-read message without recipient consent via a crafted Markdown image tag.. Mattermost...
