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-2026-54911

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-2026-54911

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...

PT-2026-51127

Crypt::OpenSSL::PKCS12 versions before 1.96 for Perl permits a heap OOB read in print attribute UTF8STRING path. print attribute copies a UTF8STRING ASN.1 attribute value into a heap buffer sized exactly to its declared length via strncpy, leaving no NUL terminator. Downstream callers run strlen ...

FreeBSD : nginx -- multiple vulnerabilities (46b654f8-6b28-11f1-b8e5-3497f65b111b)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the 46b654f8-6b28-11f1-b8e5-3497f65b111b advisory. The nginx developers report: A heap memory buffer overflow vulnerability when using the...

FreeBSD : nginx -- multiple vulnerabilities (08b0c0f6-6a85-11f1-b8e5-3497f65b111b)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the 08b0c0f6-6a85-11f1-b8e5-3497f65b111b advisory. The nginx developers report: A use-after-free vulnerability when using HTTP/3 and processing a...

SUSE SLES12 Security Update : perl-XML-LibXML (SUSE-SU-2026:2402-1)

The remote SUSE Linux SLES12 host has a package installed that is affected by a vulnerability as referenced in the SUSE- SU-2026:2402-1 advisory. This update for perl-XML-LibXML fixes the following issue - CVE-2026-8177: read out-of-bounds heap memory when parsing XML node names containing...

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

Summary 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 Unicode characters instead of rejecting them. This leads to input validation bypass and data integrity...

GHSA-3J69-69WJ-XQX2 UltraJSON: Malformed/Truncated UTF-8 Accepted and Silently Rewritten in ujson.dumps()

Summary 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 Unicode characters instead of rejecting them. This leads to input validation bypass and data integrity...

CVE-2026-48142

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpcharsetmodule module. When content is served or proxied through a location block with both sourcecharset utf-8; and a charset directive for example, charset koi8-r; configured, remote, unauthenticated attackers can send requests ...

CVE-2026-48142

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpcharsetmodule module. When content is served or proxied through a location block with both sourcecharset utf-8; and a charset directive for example, charset koi8-r; configured, remote, unauthenticated attackers can send requests ...

CVE-2026-48142

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpcharsetmodule module. When content is served or proxied through a location block with both sourcecharset utf-8; and a charset directive for example, charset koi8-r; configured, remote, unauthenticated attackers can send requests ...

EUVD-2026-37719

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpcharsetmodule module. When content is served or proxied through a location block with both sourcecharset utf-8; and a charset directive for example, charset koi8-r; configured, remote, unauthenticated attackers can send requests ...

nginx -- multiple vulnerabilities

The nginx developers report: A heap memory buffer overflow vulnerability when using the "ignoreinvalidheaders off;" and "largeclientheaderbuffers" directives with large configured values while proxying a specially crafted request to an HTTP/2 or gRPC backend may allow memory corruption or a...

nginx -- multiple vulnerabilities

The nginx developers report: A use-after-free vulnerability when using HTTP/3 and processing a specially crafted QUIC session may allow memory corruption or a segmentation fault in a worker process CVE-2026-42530. A heap memory buffer overflow vulnerability when using the "ignoreinvalidheaders...

Security update for perl-XML-LibXML

This update for perl-XML-LibXML fixes the following issue CVE-2026-8177: read out-of-bounds heap memory when parsing XML node names containing truncated UTF-8 byte sequences bsc1264715. Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST...

SUSE-SU-2026:2402-1 Security update for perl-XML-LibXML

This update for perl-XML-LibXML fixes the following issue - CVE-2026-8177: read out-of-bounds heap memory when parsing XML node names containing truncated UTF-8 byte sequences bsc1264715...

SUSE SLED15 / SLES15 Security Update : perl-XML-LibXML (SUSE-SU-2026:2324-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has a package installed that is affected by a vulnerability as referenced in the SUSE-SU-2026:2324-1 advisory. This update for perl-XML-LibXML fixes the following issue - CVE-2026-8177: read out-of-bounds heap memory when parsing...