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CVE-2026-32777
Component Overview
Vulnerability Overview
Name
CVE-2026-32777
Source
NVD (
link
)
Debian (
link
)
Description
libexpat before 2.7.5 allows an infinite loop while parsing DTD content.
CWEs
CWE-835
Published Date
Mar 16, 2026
Updated Date
Jun 17, 2026
Workaround
-
Advisories
https://github.com/libexpat/libexpat/issues/1161
Exploit
https://github.com/libexpat/libexpat/pull/1159
Issue Tracking
https://github.com/libexpat/libexpat/pull/1162
Issue Tracking
https://issues.oss-fuzz.com/issues/486993411
Permissions Required
Analysis
#
Affected Component
Analysis
expat
Exploitable
Vulnerability Ratings
#
4
CVSSv31
5.5
CVSSv31
NaN
other
Others affected components
#
Name
Project
Project Version
Version
Status
expat
buildroot
2025.02.x
2.8.1
Not Affected
expat
buildroot
master
2.8.1
Not Affected
expat
openwrt
master
2.8.1-r1
Not Affected
expat
openwrt
openwrt-25.12
2.8.1-r1
Not Affected
expat
yocto
master
2.8.1
Not Affected
expat
yocto
scarthgap
2.6.4
Patched
Resolved with patches
#
expat (yocto:scarthgap)
#
Title
Author
Resolve
1
misc_tests.c: Cover XML_TOK_INSTANCE_START infinite loop
Sebastian Pipping <sebastian@pipping.org>
CVE-2026-32777
2
lib: Reject XML_TOK_INSTANCE_START infinite loop in
Sebastian Pipping <sebastian@pipping.org>
CVE-2026-32777