CentOS Linux 8 [TuxCare] Security Update: expat / expat-devel / expat-static (CENTOS-STREAM8:CLSA-2026:1789202718)

The CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS- STREAM8:CLSA-2026:1789202718 advisory. - libexpat before 2.8.4 lacks handler call depth tracking with custom encoding callbacks. Thus, a use-after- free can occur. NOTE: this i...

Rocky Linux 9.6 [TuxCare] Security Update: expat / expat-devel / expat-static Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1786034306)

The Rocky Linux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1786034306 advisory. - libexpat before 2.8.2 has an integer overflow in doProlog that is related to storeEntityValue and entity textLen. CVE-2026-56407...

CentOS Linux 8.5 [TuxCare] Security Update: expat / expat-devel / expat-static (CENTOS8.5:CLSA-2026:1773927217)

The CentOS Linux 8.5 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS8.5:CLSA-2026:1773927217 advisory. - In libexpat before 2.7.4, the doContent function does not properly determine the buffer size bufSize because there is no integer overflow...

AlmaLinux 9.2 [TuxCare] Security Update: expat / expat-devel / expat-static (ALMALINUX9.2:CLSA-2025:1741291038)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2025:1741291038 advisory. - libexpat through 2.6.1 allows an XML Entity Expansion attack when there is isolated use of external parsers created via...

AlmaLinux 9.2 [TuxCare] Security Update: expat / expat-devel / expat-static (ALMALINUX9.2:CLSA-2025:1745530363)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2025:1745530363 advisory. - A stack overflow vulnerability exists in the libexpat library due to the way it handles recursive entity expansion in XML documents. When...

AlmaLinux 9.2 [TuxCare] Security Update: expat / expat-devel / expat-static (ALMALINUX9.2:CLSA-2026:1774433526)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1774433526 advisory. - libexpat before 2.7.5 allows a NULL pointer dereference with empty external parameter entity content. CVE-2026-32776 Note that Nessus has n...

CentOS Linux 8.5 [TuxCare] Security Update: expat / expat-devel / expat-static (CENTOS8.5:CLSA-2025:1746188001)

The CentOS Linux 8.5 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS8.5:CLSA-2025:1746188001 advisory. - A stack overflow vulnerability exists in the libexpat library due to the way it handles recursive entity expansion in XML documents. When...

CentOS Linux 8.5 [TuxCare] Security Update: expat / expat-devel / expat-static Multiple Vulnerabilities (CENTOS8.5:CLSA-2026:1786009839)

The CentOS Linux 8.5 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS8.5:CLSA-2026:1786009839 advisory. - libexpat before 2.8.2 lacks handler call depth tracking for calls to XMLResumeParser from within handlers in cases of a policy...

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...

CentOS Linux 7 [TuxCare] Security Update: expat / expat-devel / expat-static (CENTOS7:CLSA-2026:1788950538)

The CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS7:CLSA-2026:1788950538 advisory. - libexpat before 2.8.2 lacks handler call depth tracking for calls to XMLResumeParser from within handlers in cases of a policy violation. Thus,...

Rocky Linux 9.6 [TuxCare] Security Update: expat / expat-devel / expat-static Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1784032274)

The Rocky Linux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1784032274 advisory. - In libexpat before 2.8.2, there is a heap-based buffer overflow in doProlog in xmlparse.c because scaffold backing array...

CentOS Linux 7 [TuxCare] Security Update: expat / expat-devel / expat-static (CENTOS7:CLSA-2026:1780647967)

The CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS7:CLSA-2026:1780647967 advisory. - libexpat before 2.8.0 uses insufficient entropy, and thus hash flooding can occur via a crafted XML document. CVE-2026-41080 Note that Nessus h...

AlmaLinux 9.2 [TuxCare] Security Update: expat / expat-devel / expat-static (ALMALINUX9.2:CLSA-2024:1714065693)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2024:1714065693 advisory. - libexpat through 2.5.0 allows a denial of service resource consumption because many full reparsings are required in the case of a large tok...

AlmaLinux 9.6 [TuxCare] Security Update: expat / expat-devel / expat-static Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1786034306)

The AlmaLinux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1786034306 advisory. - libexpat before 2.8.2 has an integer overflow in doProlog that is related to storeEntityValue and entity textLen. CVE-2026-56407 -...

CentOS Linux 8 [TuxCare] Security Update: expat / expat-devel / expat-static (CENTOS-STREAM8:CLSA-2025:1746187509)

The CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS- STREAM8:CLSA-2025:1746187509 advisory. - A stack overflow vulnerability exists in the libexpat library due to the way it handles recursive entity expansion in XML documents. Wh...

CentOS Linux 8.5 [TuxCare] Security Update: expat / expat-devel / expat-static (CENTOS8.5:CLSA-2026:1770647876)

The CentOS Linux 8.5 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS8.5:CLSA-2026:1770647876 advisory. - In libexpat before 2.7.4, XMLExternalEntityParserCreate does not copy unknown encoding handler user data. CVE-2026-24515 Note that Nessus h...

AlmaLinux 9.2 [TuxCare] Security Update: expat / expat-devel / expat-static (ALMALINUX9.2:CLSA-2024:1732553483)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2024:1732553483 advisory. - An issue was discovered in libexpat before 2.6.4. There is a crash within the XMLResumeParser function because XMLStopParser can stop/suspe...

SUSE SLES16 Security Update : expat (SUSE-SU-2026:23912-1)

The remote SUSE Linux SLES16 / SLESSAP16 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:23912-1 advisory. - CVE-2026-41080: crafted XML document can cause a denial of service bsc1262263. - CVE-2026-45186: In libexpat before 2.8.1, the...

AlmaLinux 9.2 [TuxCare] Security Update: expat / expat-devel / expat-static Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1774605210)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1774605210 advisory. - libexpat before 2.7.5 allows an infinite loop while parsing DTD content. CVE-2026-32777 - libexpat before 2.7.5 allows a NULL...

CVE-2026-102633

libexpat versions 2.7.2 through 2.8.5 contain an integer overflow vulnerability in expatrealloc function on 32-bit platforms when computing allocation sizes. Attackers supplying malicious XML to applications parsing with vulnerable libexpat can cause heap buffer overflow, memory corruption, or...