ROOT-OS-DEBIAN-12-CVE-2026-66046 CVE-2026-66046 in expat - Patched by Root

Root has patched CVE-2026-66046 in the expat package for Root:Debian:12. Multiple fixed versions available...

ROOT-OS-DEBIAN-13-CVE-2026-66046 CVE-2026-66046 in expat - Patched by Root

Root has patched CVE-2026-66046 in the expat package for Root:Debian:13. Multiple fixed versions available...

CVE-2026-66046

creationtimestamp| type| source ---|---|--- 2026-09-01 00:01:22+00:00| seen| https://bsky.app/profile/slackers.it/post/3mug4jap4or2n...

CVE-2026-66046 affecting package expat for versions less than 2.8.3-2

CVE-2026-66046 affecting package expat for versions less than 2.8.3-2. A patched version of the package is available...

ROOT-OS-DEBIAN-11-CVE-2026-66046 CVE-2026-66046 in expat - Patched by Root

Root has patched CVE-2026-66046 in the expat package for Root:Debian:11. Multiple fixed versions available...

EUVD-2026-63493

Expat through 2.8.3 contains an out-of-bounds read vulnerability that allows attackers to trigger memory corruption by processing XML with external entity parsers created via XMLExternalEntityParserCreate. A struct size mismatch between ELEMENTTYPE members causes storeAtts to read the attIndex...

BELL-CVE-2026-66046

Bulletin has no description...

PT-2026-79084

Name of the Vulnerable Software and Affected Versions Expat versions prior to 2.8.4 Description An out-of-bounds read allows attackers to trigger memory corruption when processing XML using external entity parsers created via the XML ExternalEntityParserCreate function. A struct size mismatch...

CVE-2026-66046 Expat Denial of Service via storeAtts() Quadratic Complexity

Expat through 2.8.3 contains a denial of service vulnerability caused by quadratic algorithmic complexity in the storeAtts function in xmlparse.c, where processing N specified attributes with non-normalized values triggers an ON^2 linear scan of elementType-defaultAtts to determine CDATA status. ...