Unity Linux 20.1060e / 20.1070e Security Update: expat (UTSA-2026-017354)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017354 advisory. storeAtts in xmlparse.c in Expat aka libexpat before 2.4.3 has an integer overflow. Tenable has extracted the preceding description block directly from the Unity Lin...

Unity Linux 20.1070e Security Update: expat (UTSA-2026-017381)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017381 advisory. In Expat aka libexpat before 2.4.5, there is an integer overflow in copyString. Tenable has extracted the preceding description block directly from the Unity Linux...

Unity Linux 20.1060e / 20.1070e Security Update: expat (UTSA-2026-017359)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017359 advisory. addBinding in xmlparse.c in Expat aka libexpat before 2.4.3 has an integer overflow. Tenable has extracted the preceding description block directly from the Unity...

Important Photon OS Security Update - PHSA-2026-4.0-1013

Updates of 'expat' packages of Photon OS have been released...

Important Photon OS Security Update - PHSA-2026-5.0-0843

Updates of 'expat' packages of Photon OS have been released...

USN-8235-1: ITK vulnerabilities

It was discovered that Expat, vendored in ITK incorrectly handled certain files. An attacker could possibly use this issue to cause a crash or execute arbitrary code. CVE-2022-25235, CVE-2022-25236...

USN-8235-1 insighttoolkit vulnerabilities

It was discovered that Expat, vendored in ITK incorrectly handled certain files. An attacker could possibly use this issue to cause a crash or execute arbitrary code. CVE-2022-25235, CVE-2022-25236...

USN-8241-1 coin3 vulnerabilities

It was discovered that Expat, vendored in Coin3D incorrectly handled certain files. An attacker could possibly use this issue to cause a crash or execute arbitrary code...

USN-8241-1: Coin3D vulnerabilities

It was discovered that Expat, vendored in Coin3D incorrectly handled certain files. An attacker could possibly use this issue to cause a crash or execute arbitrary code...

USN-8240-1 swish-e vulnerabilities

It was discovered that Expat, vendored in Swish-e incorrectly handled certain files. An attacker could possibly use this issue to cause a crash or execute arbitrary code. CVE-2022-25235, CVE-2022-25236...

USN-8240-1: Swish-e vulnerabilities

It was discovered that Expat, vendored in Swish-e incorrectly handled certain files. An attacker could possibly use this issue to cause a crash or execute arbitrary code. CVE-2022-25235, CVE-2022-25236...

MiracleLinux 8 : python3.12-3.12.13-2.el8_10 (AXSA:2026-523:13)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-523:13 advisory. expat: libexpat in Expat allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing CVE-2025-593...

JLSEC-2026-384

libexpat before 2.8.0 uses insufficient entropy, and thus hash flooding can occur via a crafted XML document...

JLSEC-2026-381

libexpat before 2.7.5 allows a NULL pointer dereference with empty external parameter entity content...

Medium: python3.13

Issue Overview: The import hook in CPython that handles legacy .pyc files SourcelessFileLoader is incorrectly handled in FileLoader a base class and so does not use io.opencode to read the .pyc files. sys.audit handlers for this audit event therefore do not fire. CVE-2026-2297 The fix for...

Important: python3.12

Issue Overview: The fix for CVE-2026-0672, which rejected control characters in http.cookies.Morsel, was incomplete. The Morsel.update, |= operator, and unpickling paths were not patched, allowing control characters to bypass input validation. Additionally, BaseCookie.jsoutput lacked the output...

Amazon Linux 2023 : python3.14, python3.14-devel, python3.14-freethreading (ALAS2023-2026-1617)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1617 advisory. When using http.cookies.Morsel, user-controlled cookie values and parameters can allow injecting HTTP headers into messages. Patch rejects all control characters within cookie names, values, a...

Amazon Linux 2023 : python3.13, python3.13-devel, python3.13-freethreading (ALAS2023-2026-1600)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1600 advisory. The import hook in CPython that handles legacy .pyc files SourcelessFileLoader is incorrectly handled in FileLoader a base class and so does not use io.opencode to read the .pyc files. sys.aud...

Amazon Linux 2023 : python3.11, python3.11-devel, python3.11-idle (ALAS2023-2026-1620)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1620 advisory. The fix for CVE-2026-0672, which rejected control characters in http.cookies.Morsel, was incomplete. The Morsel.update, |= operator, and unpickling paths were not patched, allowing control...

Important: python3.11

Issue Overview: The fix for CVE-2026-0672, which rejected control characters in http.cookies.Morsel, was incomplete. The Morsel.update, |= operator, and unpickling paths were not patched, allowing control characters to bypass input validation. Additionally, BaseCookie.jsoutput lacked the output...