libidn: GNU libidn: Out-of-bounds read in ToUnicode APIs

A flaw was found in GNU libidn. This vulnerability allows an attacker to cause out-of-bounds reads of uninitialized memory within the ToUnicode APIs due to mishandling in the idnatounicodeinternal function. This could lead to information disclosure or a denial of service...

Updated libidn packages fix security vulnerability

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. CVE-2026-57053...

MGASA-2026-0262 Updated libidn packages fix security vulnerability

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. CVE-2026-57053...

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...

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,...

Linux Distros Unpatched Vulnerability : CVE-2026-52761

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ModSecurity is an open source, cross platform web application firewall WAF engine for Apache, IIS and Nginx. From 3.0.0 through 3.0.15, the t:utf8toUnicode...

DEBIAN-CVE-2026-52761

ModSecurity is an open source, cross platform web application firewall WAF engine for Apache, IIS and Nginx. From 3.0.0 through 3.0.15, the t:utf8toUnicode transformation in src/actions/transformations/utf8tounicode.cc produces wrong output on i386 architecture because snprintf uses sizeof on a...

UBUNTU-CVE-2026-52761

ModSecurity is an open source, cross platform web application firewall WAF engine for Apache, IIS and Nginx. From 3.0.0 through 3.0.15, the t:utf8toUnicode transformation in src/actions/transformations/utf8tounicode.cc produces wrong output on i386 architecture because snprintf uses sizeof on a...

OESA-2026-2935 libidn security update

GNU Libidn is a fully documented implementation of the Stringprep, Punycode and IDNA 2003 specifications. Libidn's purpose is to encode and decode internationalized domain names. Security Fixes: GNU libidn before 1.44 is prone to out-of-bounds reads of uninitialized memory in the ToUnicode APIs...

OESA-2026-2934 libidn security update

GNU Libidn is a fully documented implementation of the Stringprep, Punycode and IDNA 2003 specifications. Libidn's purpose is to encode and decode internationalized domain names. Security Fixes: GNU libidn before 1.44 is prone to out-of-bounds reads of uninitialized memory in the ToUnicode APIs...

OESA-2026-2933 libidn security update

GNU Libidn is a fully documented implementation of the Stringprep, Punycode and IDNA 2003 specifications. Libidn's purpose is to encode and decode internationalized domain names. Security Fixes: GNU libidn before 1.44 is prone to out-of-bounds reads of uninitialized memory in the ToUnicode APIs...

OESA-2026-2932 libidn security update

GNU Libidn is a fully documented implementation of the Stringprep, Punycode and IDNA 2003 specifications. Libidn's purpose is to encode and decode internationalized domain names. Security Fixes: GNU libidn before 1.44 is prone to out-of-bounds reads of uninitialized memory in the ToUnicode APIs...

SUSE CVE-2026-57053

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...

Improper Validation of Specified Quantity in Input

Overview Affected versions of this package are vulnerable to Improper Validation of Specified Quantity in Input due to improper handling in the idnatounicodeinternal process. An attacker can cause information disclosure or application crashes by triggering out-of-bounds reads of uninitialized...

CVE-2026-57053

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...

CVE-2026-57053

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...

CVE-2026-57053

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...

EUVD-2026-38523

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...

CVE-2026-57053

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...

Denial Of Service

pypdf is vulnerable to Denial of Service. The vulnerability is due to an attacker crafting a PDF with unusually large values in the /ToUnicode entry of a font, where parsing this entry leads to long runtimes and large memory consumption, and how attackers can exploit it by using this vulnerabilit...