CVE-2026-48760

Symfony HtmlSanitizer/UrlSanitizer::parse() had an underinclusive denial for BiDi formatting characters and Unicode whitespace, allowing percent-encoded BiDi marks to bypass the check. The issue affects UrlSanitizer::parse() behavior from Symfony 6.1.0 up to 6.4.41, 7.4.13, and 8.0.13, where raw ...

CVE-2026-48760 Symfony: HtmlSanitizer URL Parser Deny Gates Underinclusive: Percent-Encoded BiDi Marks and Unicode Whitespace Bypass Visual-Spoofing Defense

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. From 6.1.0 until 6.4.41, 7.4.13, and 8.0.13, UrlSanitizer::parse rejected raw BiDi formatting characters but not percent-encoded forms and used an ASCII-only whitespace check, allowing sanitized URLs...

CVE-2026-48760 Symfony: HtmlSanitizer URL Parser Deny Gates Underinclusive: Percent-Encoded BiDi Marks and Unicode Whitespace Bypass Visual-Spoofing Defense

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. From 6.1.0 until 6.4.41, 7.4.13, and 8.0.13, UrlSanitizer::parse rejected raw BiDi formatting characters but not percent-encoded forms and used an ASCII-only whitespace check, allowing sanitized URLs...

CVE-2026-45064

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. From 6.1.0-BETA1 until 6.4.40, 7.4.12, and 8.0.12, UrlSanitizer::parse passes Unicode explicit-direction BiDi formatting characters through into sanitized href and src attributes, allowing sanitized...

CVE-2026-48758

A flaw was found in the @sigstore/core component. The preAuthEncoding function incorrectly uses Node.js 'ascii' encoding when converting Pre-Authentication Encoding PAE strings to bytes. This encoding truncates Unicode characters to their low byte, allowing an attacker to substitute characters in...

JLSEC-2026-667 GNU libidn before 1.44 is prone to out-of-bounds reads of uninitialized memory in the ToUnicode APIs...

GNU libidn before 1.44 is prone to out-of-bounds reads of uninitialized memory in the ToUnicode APIs because of mishandling in idnatounicodeinternal. The affected code is not present in libidn2...

nodejs: Node.js: Authentication bypass due to TLS hostname handling and unicode dot separator mismatch

A flaw was found in Node.js. This flaw involves a mismatch in how Node.js handles TLS Transport Layer Security hostnames and unicode dot separators during authentication. This mismatch can lead to a wildcard-depth authentication bypass. An attacker could exploit this to bypass intended security...

BIT-SETUPTOOLS-2026-59890 setuptools: MANIFEST.in exclusion bypass in sdist via Unicode normalization collision (NFC/NFD) on macOS APFS/HFS+

setuptools is a package that allows users to download, build, install, upgrade, and uninstall Python packages. Prior to 83.0.0, FileList applied MANIFEST.in exclude, global-exclude, recursive-exclude, and prune directives by matching compiled glob patterns against on-disk file names without Unico...

OSV-2026-1064 Heap-buffer-overflow in _wcsnlen

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=533963816 Crash type: Heap-buffer-overflow READ 2 Crash state: wcsnlen railreadunicodestring railreadhighcontrast...

CVE-2026-45064: User Interface (UI) Misrepresentation of Critical Information

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. From 6.1.0-BETA1 until 6.4.40, 7.4.12, and 8.0.12, UrlSanitizer::parse passes Unicode explicit-direction BiDi formatting characters through into sanitized href and src attributes, allowing sanitized...

PT-2026-64222

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=533963816 Crash type: Heap-buffer-overflow READ 2 Crash state: wcsnlen rail read unicode string rail read high contrast...

PT-2026-64387

GNU libidn before 1.44 is prone to out-of-bounds reads of uninitialized memory in the ToUnicode APIs because of mishandling in idna to unicode internal. The affected code is not present in libidn2...

PT-2026-58929

setuptools is a package that allows users to download, build, install, upgrade, and uninstall Python packages. Prior to 83.0.0, FileList applied MANIFEST.in exclude, global-exclude, recursive-exclude, and prune directives by matching compiled glob patterns against on-disk file names without Unico...

ALSA-2026:39553 Important: perl-XML-LibXML security update

This module implements a Perl interface to the GNOME libxml2 library which provides interfaces for parsing and manipulating XML files. This module allows Perl programmers to make use of the highly capable validating XML parser and the high performance DOM implementation. Security Fixes:...

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...

golang.org/x/net/idna: golang: net/http: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing

A flaw was found in golang.org/x/net/idna. ToASCII and ToUnicode incorrectly accept Punycode-encoded labels that decode to an ASCII-only hostname for example, xn--example-.com returns example.com instead of an error. Applications that validate the ASCII form then convert to Unicode may grant acce...

PYSEC-2026-3217 `CHECK` fail via inputs in `PyFunc`

Impact An input token that is not a UTF-8 bytestring will trigger a CHECK fail in tf.rawops.PyFunc. python import tensorflow as tf value = tf.constantvalue=1,2 token = b'\xb0' dataType = tf.int32 tf.rawops.PyFuncinput=value,token=token,Tout=dataType Patches We have patched the issue in GitHub...

freerdp:TestFuzzChannelRail: Heap-buffer-overflow in _wcsnlen

Project: https://github.com/FreeRDP/FreeRDP.git Detailed Report: https://oss-fuzz.com/testcase?key=5268164724981760 Project: freerdp Fuzzing Engine: libFuzzer Fuzz Target: TestFuzzChannelRail Job Type: libfuzzerasanfreerdp Platform Id: linux Crash Type: Heap-buffer-overflow READ 2 Crash Address:...

setuptools: MANIFEST.in exclusion bypass in sdist via Unicode normalization collision (NFC/NFD) on macOS APFS/HFS+

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CVE-2026-52761

A flaw was found in ModSecurity, an open-source web application firewall WAF. The t:utf8toUnicode transformation function, responsible for converting UTF-8 encoded characters to Unicode, generates incorrect output on i386 architectures. This vulnerability allows an attacker to bypass WAF rules,...