CVE-2026-42566 Meshtastic: Malformed UTF-8 in User.long_name broadcast over LoRa causes mesh-wide client decode failure

Meshtastic is an open source mesh networking solution. Prior to version 2.7.23.b246bcd, a single node advertising a User.longname that contains a malformed character encoding can render other radios unusable over BLE when managed through the iOS app. The malformed name does not need to be...

SUSE CVE-2026-54911

UltraJSON is a fast JSON encoder and decoder written in pure C with bindings for Python 3.7+. Prior to 5.13.0, ujson.dumps or ujson.dump or ujson.encode have a rejectbytes=False option. When set, they may accept malformed or truncated UTF-8 byte sequences, silently rewriting them into different...

DEBIAN-CVE-2026-54911

UltraJSON is a fast JSON encoder and decoder written in pure C with bindings for Python 3.7+. Prior to 5.13.0, ujson.dumps or ujson.dump or ujson.encode have a rejectbytes=False option. When set, they may accept malformed or truncated UTF-8 byte sequences, silently rewriting them into different...

PYSEC-2026-2294

UltraJSON is a fast JSON encoder and decoder written in pure C with bindings for Python 3.7+. Prior to 5.13.0, ujson.dumps or ujson.dump or ujson.encode have a rejectbytes=False option. When set, they may accept malformed or truncated UTF-8 byte sequences, silently rewriting them into different...

CVE-2026-54911

UltraJSON is a fast JSON encoder and decoder written in pure C with bindings for Python 3.7+. Prior to 5.13.0, ujson.dumps or ujson.dump or ujson.encode have a rejectbytes=False option. When set, they may accept malformed or truncated UTF-8 byte sequences, silently rewriting them into different...

CVE-2026-54911

UltraJSON is a fast JSON encoder and decoder written in pure C with bindings for Python 3.7+. Prior to 5.13.0, ujson.dumps or ujson.dump or ujson.encode have a rejectbytes=False option. When set, they may accept malformed or truncated UTF-8 byte sequences, silently rewriting them into different...

CVE-2026-54911 UltraJSON: Malformed/Truncated UTF-8 Accepted and Silently Rewritten in ujson.dumps()

UltraJSON is a fast JSON encoder and decoder written in pure C with bindings for Python 3.7+. Prior to 5.13.0, ujson.dumps or ujson.dump or ujson.encode have a rejectbytes=False option. When set, they may accept malformed or truncated UTF-8 byte sequences, silently rewriting them into different...

CVE-2026-7040

Text::Minify::XS versions from 0.3.0 before 0.7.8 for Perl have a heap overflow when processing some malformed UTF-8 characters. The minify functions mishandled some malformed UTF-8 characters, leading to heap corruption. Note that the minifyutf8 function is an alias for minify...

CVE-2026-7040

Text::Minify::XS versions from 0.3.0 before 0.7.8 for Perl have a heap overflow when processing some malformed UTF-8 characters. The minify functions mishandled some malformed UTF-8 characters, leading to heap corruption. Note that the minifyutf8 function is an alias for minify...

CVE-2026-7040

Text::Minify::XS versions from 0.3.0 before 0.7.8 for Perl have a heap overflow when processing some malformed UTF-8 characters. The minify functions mishandled some malformed UTF-8 characters, leading to heap corruption. Note that the minifyutf8 function is an alias for minify...

CVE-2026-7040 Text::Minify::XS versions from 0.3.0 before 0.7.8 for Perl have heap overflow when processing some malformed UTF-8 characters

Text::Minify::XS versions from 0.3.0 before 0.7.8 for Perl have a heap overflow when processing some malformed UTF-8 characters. The minify functions mishandled some malformed UTF-8 characters, leading to heap corruption. Note that the minifyutf8 function is an alias for minify...

CVE-2026-7040

Text::Minify::XS versions from 0.3.0 before 0.7.8 for Perl have a heap overflow when processing some malformed UTF-8 characters. The minify functions mishandled some malformed UTF-8 characters, leading to heap corruption. Note that the minifyutf8 function is an alias for minify...

EUVD-2026-25833

Text::Minify::XS versions from v0.3.0 before v0.7.8 for Perl have a heap overflow when processing some malformed UTF-8 characters. The minify functions mishandled some malformed UTF-8 characters, leading to heap corruption. Note that the minifyutf8 function is an alias for minnify...

Text::Minify::XS 安全漏洞

Text::Minify::XS is a text compression tool developed by Robert Rothenberg, designed to quickly remove excess whitespace from multi-line texts. Versions of Text::Minify::XS from v0.3.0 to v0.7.8 contained security vulnerabilities. These vulnerabilities were caused by a stack overflow vulnerabilit...

CVE-2025-56353

In tinyMQTT commit 6226ade15bd4f97be2d196352e64dd10937c1962 2024-02-18, a memory leak occurs due to the broker's failure to validate or reject malformed UTF-8 strings in topic filters. An attacker can exploit this by sending repeated subscription requests with arbitrarily large or invalid filter...

PT-2026-3628

Name of the Vulnerable Software and Affected Versions tinyMQTT versions prior to commit 6226ade15bd4f97be2d196352e64dd10937c1962 Description A memory leak exists because the broker does not validate or reject malformed UTF-8 strings in topic filters. An attacker can exploit this by sending repeat...

CVE-2025-12689 DoS in Calls plugin via malformed UTF-8 in WebSocket request

Mattermost versions 11.0.x = 11.0.4, 10.12.x = 10.12.2, 10.11.x = 10.11.6 fail to check WebSocket request field for proper UTF-8 format, which allows attacker to crash Calls plug-in via sending malformed request...

CVE-2025-12689 DoS in Calls plugin via malformed UTF-8 in WebSocket request

Mattermost versions 11.0.x = 11.0.4, 10.12.x = 10.12.2, 10.11.x = 10.11.6 fail to check WebSocket request field for proper UTF-8 format, which allows attacker to crash Calls plug-in via sending malformed request...

CVE-2025-12689

Mattermost is affected by CVE-2025-12689 due to improper validation of WebSocket input in the Calls plugin (github.com/mattermost/mattermost-plugin-calls), allowing a malformed UTF-8 WebSocket request to crash the Calls plugin. Affected Mattermost releases include 11.0.x <= 11.0.4, 10.12.x &lt...

NULL Pointer Dereference

Overview Affected versions of this package are vulnerable to NULL Pointer Dereference. A specially crafted SVG input can cause a segfault when attempting to parse a malformed UTF-8 character. Workaround Users who are unable to upgrade to the fixed version can compile the library without SVG suppo...