Rocky Linux 9 [CIQ] Security Update: perl-XML-LibXML / perl-XML-LibXML-debuginfo / etc (crlsa-2026_39553)

The Rocky Linux 9 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202639553 advisory. perl-XML-LibXML: XML::LibXML: Denial of Service via truncated UTF-8 in XML node names CVE-2026-8177 Tenable has extracted the preceding description block directly...

Rocky Linux 8 [CIQ] Security Update: perl-XML-LibXML / perl-XML-LibXML-debuginfo / etc (crlsa-2026_39878)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202639878 advisory. perl-XML-LibXML: XML::LibXML: Denial of Service via truncated UTF-8 in XML node names CVE-2026-8177 Tenable has extracted the preceding description block directly...

Rocky Linux 8 [CIQ] Security Update: xmlrpc-c / xmlrpc-c-c++ / xmlrpc-c-c++-debuginfo / xmlrpc-c-client / etc (crlsa-2022_1643)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20221643 advisory. expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code execution CVE-2022-25235 Tenable has extracted the preceding description block directly fr...

expat: Expat: XML Injection via Malformed UTF-16 Input

A flaw was found in Expat. This vulnerability allows a remote attacker to send specially crafted UTF-16 encoded XML data. Due to improper validation of surrogate characters, the parser can be tricked into accepting malformed sequences, which can hide legitimate markup characters. This could enabl...

Important: Red Hat Security Advisory: expat security update

An update for expat is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

OESA-2026-4178 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 2.8.4 fails to validate low surrogates following high surrogates in UTF-16 input, allowing malformed UTF-16...

OESA-2026-4177 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 2.8.4 fails to validate low surrogates following high surrogates in UTF-16 input, allowing malformed UTF-16...

OESA-2026-4176 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 2.8.4 fails to validate low surrogates following high surrogates in UTF-16 input, allowing malformed UTF-16...

OESA-2026-4175 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 2.8.4 fails to validate low surrogates following high surrogates in UTF-16 input, allowing malformed UTF-16...

expat security update

An update is available for expat. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Expat is a C library for parsing XML documents. Security Fixes: expat: Expat:...

RLSA-2026:72663 Important: expat security update

Expat is a C library for parsing XML documents. Security Fixes: expat: Expat: Denial of Service via quadratic complexity in attribute processing CVE-2026-66046 expat: Expat: XML Injection via Malformed UTF-16 Input CVE-2026-93990 For more details about the security issues, including the impact, a...

RHEL 10 : expat (RHSA-2026:74001)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:74001 advisory. Expat is a C library for parsing XML documents. Security Fixes: expat: Expat: Denial of Service via quadratic complexity in attribute...

AlmaLinux 9.6 [TuxCare] Security Update: expat / expat-devel / expat-static Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1790177624)

The AlmaLinux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1790177624 advisory. - Expat through 2.8.3 contains an out-of-bounds read vulnerability that allows attackers to trigger memory corruption by processing...

AlmaLinux 9.2 [TuxCare] Security Update: expat / expat-devel / expat-static Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1790802906)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1790802906 advisory. - Expat through 2.8.3 contains a denial of service vulnerability caused by quadratic algorithmic complexity in the storeAtts functio...

MiracleLinux 9 : expat-2.5.0-6.el9_8.5 (AXSA:2026-1939:13)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-1939:13 advisory. expat: Expat: Denial of Service via quadratic complexity in attribute processing CVE-2026-66046 expat: Expat: XML Injection via Malformed UTF-16 Inp...

RockyLinux 9 : expat (RLSA-2026:72663)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:72663 advisory. expat: Expat: Denial of Service via quadratic complexity in attribute processing CVE-2026-66046 expat: Expat: XML Injection via Malformed UTF-16 Input...

Rocky Linux 9.6 [TuxCare] Security Update: expat / expat-devel / expat-static Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1790177624)

The Rocky Linux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1790177624 advisory. - Expat through 2.8.3 contains an out-of-bounds read vulnerability that allows attackers to trigger memory corruption by processin...

Flysystem: WhitespacePathNormalizer's control-character (CorruptedPathDetected) check is bypassed by malformed UTF-8 in the path, affecting every adapter

Related public issue context, not a duplicate Closed issue 1429 "Handle non-UTF-8 paths", 2024-03-24 raised exactly this general concern and even suggested detection via pregmatch'//u', $path !== 1 -- note the reporter's suggested check explicitly compares !== 1, which would correctly treat PCRE'...

GHSA-CXF4-7MRP-VVPR Flysystem: WhitespacePathNormalizer's control-character (CorruptedPathDetected) check is bypassed by malformed UTF-8 in the path, affecting every adapter

Related public issue context, not a duplicate Closed issue 1429 "Handle non-UTF-8 paths", 2024-03-24 raised exactly this general concern and even suggested detection via pregmatch'//u', $path !== 1 -- note the reporter's suggested check explicitly compares !== 1, which would correctly treat PCRE'...

OpenTelemetry-Go: UTF-8 replacement rune bypasses attribute length truncation

Summary The OpenTelemetry Go SDK trace package can fail to enforce AttributeValueLengthLimit for string attributes containing the valid Unicode replacement character U+FFFD. An oversized attacker-controlled attribute value that includes U+FFFD is returned untruncated, bypassing the configured...