CVE-2026-86429 commonmark before 2.9.1 Denial of Service via SmartPunct and Attributes

The league/commonmark thephpleague/commonmark library in versions = 1.5.0 and 2.9.1 contains quadratic parsing complexity in its SmartPunctExtension and AttributesExtension. When either extension is explicitly registered on the Environment they are not enabled by default and are excluded from the...

CVE-2026-86429

CVE-2026-86429 affects the thephpleague/commonmark PHP library (versions ≥ 1.5.0,

CVE-2026-86429 commonmark before 2.9.1 Denial of Service via SmartPunct and Attributes

The league/commonmark thephpleague/commonmark library in versions = 1.5.0 and 2.9.1 contains quadratic parsing complexity in its SmartPunctExtension and AttributesExtension. When either extension is explicitly registered on the Environment they are not enabled by default and are excluded from the...

EUVD-2026-72386

commonmark versions from 1.5.0 before 2.10.0 contain a denial of service vulnerability in the AttributesExtension when processing distinctly-named attributes. Attackers can submit Markdown with numerous distinct attribute names to cause quadratic-time attribute merging and filtering, consuming...

PT-2026-86794

commonmark versions from 1.5.0 before 2.10.0 contain a denial of service vulnerability in the AttributesExtension when processing distinctly-named attributes. Attackers can submit Markdown with numerous distinct attribute names to cause quadratic-time attribute merging and filtering, consuming...

PT-2026-86800

Name of the Vulnerable Software and Affected Versions league/commonmark versions 2.0.0 through 2.8.3 Description A denial of service issue exists in the UniqueSlugNormalizer::normalize function. The problem occurs when the function restarts its numeric-suffix search from 1 during every slug...

Linux Distros Unpatched Vulnerability : CVE-2026-86429

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The league/commonmark thephpleague/commonmark library in versions = 1.5.0 and 2.9.1 contains quadratic parsing complexity in its SmartPunctExtension and...

CVE-2026-86250

h3 versions before 2.0.1-rc.18 fail to validate the chunk count parsed from user-controlled cookie values in setChunkedCookie and deleteChunkedCookie functions. Attackers can send a crafted cookie header with an extremely large chunk count to trigger an On² cleanup loop that hangs the server...

CVE-2026-86250

h3 versions before 2.0.1-rc.18 contain a denial-of-service vulnerability in the setChunkedCookie() and deleteChunkedCookie() functions. The library fails to validate the chunk count parsed from user-controlled cookie values, allowing a remote, unauthenticated attacker to send a crafted cookie hea...

OESA-2026-3669 expat security update

expat is a stream-oriented XML parser library written in C. expat excels with files too large to fit RAM, and where performance and flexibility are crucial. Security Fixes: Expat through 2.8.3 contains a denial of service vulnerability caused by quadratic algorithmic complexity in the storeAtts...

MGASA-2026-0377 Updated python-linkify-it-py package fixes security vulnerabilities

LinkifyIt.match was quadratic on untrusted input when linkify is enabled GHSA-8m2q-wq3r-6hq8. Fix quadratic complexity in LinkifyIt.match, port of linkify-it 5.0.1 and 5.0.2 upstream CVE-2026-48801, CVE-2026-59887 82 Match validators at a position instead of slicing the tail, needed because Pytho...

MGASA-2026-0378 Updated mingw-expat & expat packages fix security vulnerabilities

Expat Denial of Service via storeAtts Quadratic Complexity. CVE-2026-66046 Expat Out-of-Bounds Read via dtdCopy. CVE-2026-76641 In libexpat 2.8.2 and 2.8.3 before 2.8.4, misinterpretation of getentropy's return code leads to insufficient entropy, which results in being vulnerable to hash flooding...

Updated python-linkify-it-py package fixes security vulnerabilities

LinkifyIt.match was quadratic on untrusted input when linkify is enabled GHSA-8m2q-wq3r-6hq8. Fix quadratic complexity in LinkifyIt.match, port of linkify-it 5.0.1 and 5.0.2 upstream CVE-2026-48801, CVE-2026-59887 82 Match validators at a position instead of slicing the tail, needed because Pytho...

Updated mingw-expat & expat packages fix security vulnerabilities

Expat Denial of Service via storeAtts Quadratic Complexity. CVE-2026-66046 Expat Out-of-Bounds Read via dtdCopy. CVE-2026-76641 In libexpat 2.8.2 and 2.8.3 before 2.8.4, misinterpretation of getentropy's return code leads to insufficient entropy, which results in being vulnerable to hash flooding...

CVE-2026-82729 Quadratic chunk-size parsing in Mint.HTTP1.Parse allows CPU-exhaustion DoS

Inefficient Algorithmic Complexity vulnerability in elixir-mint mint allows a remote HTTP server to exhaust CPU on the client host and cause a denial of service. parsehexprefix/2 in lib/mint/http1/parse.ex folds each hex digit of a chunked response's chunk-size field into an arbitrary-precision...

EEF-CVE-2026-82729 Quadratic chunk-size parsing in Mint.HTTP1.Parse allows CPU-exhaustion DoS

Summary Inefficient Algorithmic Complexity vulnerability in elixir-mint mint allows a remote HTTP server to exhaust CPU on the client host and cause a denial of service. parsehexprefix/2 in lib/mint/http1/parse.ex folds each hex digit of a chunked response's chunk-size field into an...

net/url: golang: golang net/url: Denial of Service from quadratic complexity in path resolution

A flaw was found in net/url, a component of golang. This vulnerability arises when resolving relative paths that contain numerous parent directory '..' segments. A remote attacker could exploit this by providing a specially crafted path, leading to quadratic time complexity and excessive memory...

net/url: golang: golang net/url: Denial of Service from quadratic complexity in path resolution

A flaw was found in net/url, a component of golang. This vulnerability arises when resolving relative paths that contain numerous parent directory '..' segments. A remote attacker could exploit this by providing a specially crafted path, leading to quadratic time complexity and excessive memory...

net/url: golang: golang net/url: Denial of Service from quadratic complexity in path resolution

A flaw was found in net/url, a component of golang. This vulnerability arises when resolving relative paths that contain numerous parent directory '..' segments. A remote attacker could exploit this by providing a specially crafted path, leading to quadratic time complexity and excessive memory...

net/url: golang: golang net/url: Denial of Service from quadratic complexity in path resolution

A flaw was found in net/url, a component of golang. This vulnerability arises when resolving relative paths that contain numerous parent directory '..' segments. A remote attacker could exploit this by providing a specially crafted path, leading to quadratic time complexity and excessive memory...