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CVE Vulnerability Details :
CVE-2026-32777
PUBLISHED
More InfoOfficial Page
Assigner-mitre
Assigner Org ID-8254265b-2729-46b6-b9e3-3dfca2d5bfca
View Known Exploited Vulnerability (KEV) details
Published At-16 Mar, 2026 | 06:58
Updated At-16 Mar, 2026 | 14:55
Rejected At-
▼CVE Numbering Authority (CNA)

libexpat before 2.7.5 allows an infinite loop while parsing DTD content.

Affected Products
Vendor
libexpat project
Product
libexpat
Default Status
unaffected
Versions
Affected
  • From 0 before 2.7.5 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-835CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')
Type: CWE
CWE ID: CWE-835
Description: CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')
Metrics
VersionBase scoreBase severityVector
3.14.0MEDIUM
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Version: 3.1
Base score: 4.0
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/libexpat/libexpat/pull/1159
N/A
https://github.com/libexpat/libexpat/issues/1161
N/A
https://github.com/libexpat/libexpat/pull/1162
N/A
https://issues.oss-fuzz.com/issues/486993411
N/A
Hyperlink: https://github.com/libexpat/libexpat/pull/1159
Resource: N/A
Hyperlink: https://github.com/libexpat/libexpat/issues/1161
Resource: N/A
Hyperlink: https://github.com/libexpat/libexpat/pull/1162
Resource: N/A
Hyperlink: https://issues.oss-fuzz.com/issues/486993411
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found