CVE-2026-76957

libexpat before 2.8.4 lacks handler call depth tracking with custom encoding callbacks. Thus, a use-after-free can occur. NOTE: this is similar to CVE-2026-50219, CVE-2026-56131 and CVE-2026-56412...

CVE-2026-76957

libexpat before 2.8.4 lacks handler call depth tracking with custom encoding callbacks. Thus, a use-after-free can occur. NOTE: this is similar to CVE-2026-50219, CVE-2026-56131 and CVE-2026-56412...

CVE-2026-76956

In libexpat 2.8.2 and 2.8.3 before 2.8.4, misinterpretation of getentropy's return code leads to insufficient entropy, which results in being vulnerable to hash flooding attacks, causing a denial of service via crafted XML content...

EUVD-2026-63195

In libexpat 2.8.2 and 2.8.3 before 2.8.4, misinterpretation of getentropy's return code leads to insufficient entropy, which results in being vulnerable to hash flooding attacks, causing a denial of service via crafted XML content...

CVE-2026-76956

In libexpat versions 2.8.2 and 2.8.3 (before 2.8.4 ), a misinterpretation of the getentropy system call's return code results in insufficient entropy during hash table seeding. This exposes the parser to hash flooding attacks , where an attacker sends crafted XML content to trigger excessive coll...

CVE-2026-76956

In libexpat 2.8.2 and 2.8.3 before 2.8.4, misinterpretation of getentropy's return code leads to insufficient entropy, which results in being vulnerable to hash flooding attacks, causing a denial of service via crafted XML content...

CVE-2026-76956

In libexpat 2.8.2 and 2.8.3 before 2.8.4, misinterpretation of getentropy's return code leads to insufficient entropy, which results in being vulnerable to hash flooding attacks, causing a denial of service via crafted XML content...

CVE-2026-76956

In libexpat 2.8.2 and 2.8.3 before 2.8.4, misinterpretation of getentropy's return code leads to insufficient entropy, which results in being vulnerable to hash flooding attacks, causing a denial of service via crafted XML content...

CVE-2026-76956

In libexpat 2.8.2 and 2.8.3 before 2.8.4, misinterpretation of getentropy's return code leads to insufficient entropy, which results in being vulnerable to hash flooding attacks, causing a denial of service via crafted XML content...

CVE-2026-76956: Unexpected Status Code or Return Value

In libexpat 2.8.2 and 2.8.3 before 2.8.4, misinterpretation of getentropy's return code leads to insufficient entropy, which results in being vulnerable to hash flooding attacks, causing a denial of service via crafted XML content...

Linux Distros Unpatched Vulnerability : CVE-2026-76956

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In libexpat 2.8.2 and 2.8.3 before 2.8.4, misinterpretation of getentropy's return code leads to insufficient entropy, which results in being vulnerable to hash...

Linux Distros Unpatched Vulnerability : CVE-2026-76957

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - libexpat before 2.8.4 lacks handler call depth tracking with custom encoding callbacks. Thus, a use-after- free can occur. NOTE: this is similar to...

CVE-2026-76957: Use After Free

libexpat before 2.8.4 lacks handler call depth tracking with custom encoding callbacks. Thus, a use-after-free can occur. NOTE: this is similar to CVE-2026-50219, CVE-2026-56131 and CVE-2026-56412...

PT-2026-78883

Name of the Vulnerable Software and Affected Versions libexpat versions 2.8.2 through 2.8.3 Description A misinterpretation of the return code from the getentropy function leads to insufficient entropy. This condition makes the software susceptible to hash flooding attacks, where an attacker can...

PT-2026-78884

This update for expat fixes the following issues: - CVE-2026-41080: crafted XML document can cause a denial of service bsc1262263. - CVE-2026-45186: In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately sized crafted XM...

SUSE CVE-2026-72522

libexpat before 2.8.3 has an out-of-bounds read and resultant infinite loop because low surrogates are treated the same as high surrogates during Unicode processing in the toUtf16 functions...

Unity Linux 20.1070e Security Update: expat (UTSA-2026-099471)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-099471 advisory. In libexpat before 2.8.2, there is a heap-based buffer overflow in doProlog in xmlparse.c because scaffold backing array reallocation is mishandled when there is...

Unity Linux 20.1050e / 20.1060e / 20.1070-8ae / 20.1070e Security Update: mozjs78 (UTSA-2024-003380)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2024-003380 advisory. xmltokimpl.c in Expat aka libexpat before 2.4.5 lacks certain validation of encoding, such as checks for whether a UTF-8 character is valid in a certain context...

Unity Linux 20.1070e Security Update: expat (UTSA-2026-099491)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-099491 advisory. libexpat before 2.8.2 does not consider XMLTOKDATACHARS in doCdataSection and thus lacks handler call depth tracking for various calls from within handlers in cases ...

Unity Linux 20.1050e / 20.1060e / 20.1070-8ae / 20.1070e Security Update: mozjs78 (UTSA-2024-003381)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2024-003381 advisory. In Expat aka libexpat before 2.4.3, a left shift by 29 or more places in the storeAtts function in xmlparse.c can lead to realloc misbehavior e.g., allocating too fe...