TencentOS Server 3: expat (TSSA-2026:1133)

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2026:1133 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities:...

CentOS Linux 7 [TuxCare] Security Update: expat / expat-devel / expat-static (CENTOS7:CLSA-2026:1779359397)

The CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS7:CLSA-2026:1779359397 advisory. - In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately sized craft...

CentOS Linux 6 [TuxCare] Security Update: expat / expat-devel (CENTOS6:CLSA-2026:1779361284)

The CentOS Linux 6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS6:CLSA-2026:1779361284 advisory. - In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately sized craft...

AlmaLinux 9.6 [TuxCare] Security Update: expat / expat-devel / expat-static (ALMALINUX9.6:CLSA-2026:1779130424)

The AlmaLinux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1779130424 advisory. - In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately sized...

Rocky Linux 9.6 [TuxCare] Security Update: expat / expat-devel / expat-static (ALMALINUX9.6:CLSA-2026:1779130424)

The Rocky Linux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1779130424 advisory. - In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately sized...

CentOS Linux 8.5 [TuxCare] Security Update: expat / expat-devel / expat-static (CENTOS8.5:CLSA-2026:1779184141)

The CentOS Linux 8.5 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS8.5:CLSA-2026:1779184141 advisory. - In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately sized...

CentOS Linux 8.4 [TuxCare] Security Update: expat / expat-devel / expat-static (CENTOS8.4:CLSA-2026:1779183767)

The CentOS Linux 8.4 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS8.4:CLSA-2026:1779183767 advisory. - In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately sized...

AlmaLinux 9.2 [TuxCare] Security Update: expat / expat-devel / expat-static (ALMALINUX9.2:CLSA-2026:1779122132)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1779122132 advisory. - In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately sized...

CentOS Linux 8 [TuxCare] Security Update: expat / expat-devel / expat-static (CENTOS-STREAM8:CLSA-2026:1779183996)

The CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS- STREAM8:CLSA-2026:1779183996 advisory. - In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately siz...

JLSEC-2026-1223

In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately sized crafted XML input...

PT-2026-80467

In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately sized crafted XML input...

OESA-2026-2500 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: In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via...

OESA-2026-2432 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: In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via...

CLSA-2026-1779359157 Fix CVE(s): CVE-2026-45186

SECURITY UPDATE: Denial of service via quadratic attribute-name collision check in libexpat before 2.8.1 - debian/patches/CVE-2026-45186.patch: introduce per-element defaultAttsNames hash table and use it for O1 attribute collision detection in defineAttribute - CVE-2026-45186...

CLSA-2026-1779184141 expat: Fix of CVE-2026-45186

CVE-2026-45186: fix quadratic complexity in attribute name collision check...

CLSA-2026-1779183996 expat: Fix of CVE-2026-45186

CVE-2026-45186: fix quadratic complexity in attribute name collision check...

CLSA-2026-1779183767 expat: Fix of CVE-2026-45186

CVE-2026-45186: fix quadratic complexity in attribute name collision check...

CLSA-2026-1779183482 Fix CVE(s): CVE-2026-45186

SECURITY UPDATE: denial of service via On^2 attribute name collision check with moderately sized crafted XML input - debian/patches/CVE-2026-45186.patch: replace linear scan in defineAttribute with O1 hash table lookup using new ELEMENTTYPE.defaultAttsNames field in expat/lib/xmlparse.c -...

CLSA-2026-1779130424 expat: Fix of CVE-2026-45186

CVE-2026-45186: fix quadratic complexity in attribute name collision check...

CLSA-2026-1779129362 Fix CVE(s): CVE-2026-45186

SECURITY UPDATE: fix quadratic complexity in attribute name collision check - debian/patches/CVE-2026-45186.patch: fix quadratic complexity in attribute name collision check - CVE-2026-45186...