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Affected Component
Analysis
libxml2
Patched
Name
CVE-2026-0992
Description
A flaw was found in the libxml2 library. This uncontrolled resource consumption vulnerability occurs when processing XML catalogs that contain repeated <nextCatalog> elements pointing to the same downstream catalog. A remote attacker can exploit this by supplying crafted catalogs, causing the parser to redundantly traverse catalog chains. This leads to excessive CPU consumption and degrades application availability, resulting in a denial-of-service condition.
CWEs
Published Date
Updated Date
Workaround
-
Advisories
Analysis#
Vulnerability Ratings#
2.9
CVSSv31
NaN
other
Others affected components#
Resolved with patches#
libxml2 (yocto:kirkstone)
#
Title
Author
Resolve
1
testcatalog: Add new tests for catalog.c
Daniel Garcia Moreno <daniel.garcia@suse.com>
CVE-2026-0992
2
catalog: Do not check value for duplication nextCatalog
Daniel Garcia Moreno <dani@danigm.net>
CVE-2026-0992
libxml2 (yocto:scarthgap)
#
Title
Author
Resolve
1
testcatalog: Add new tests for catalog.c
Daniel Garcia Moreno <daniel.garcia@suse.com>
CVE-2026-0992
2
catalog: Do not check value for duplication nextCatalog
Daniel Garcia Moreno <dani@danigm.net>
CVE-2026-0992