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NVD Vulnerability Details :

CVE-2026-32777

Analyzed

More Info Official Page

Source-cve@mitre.org

Published At-16 Mar, 2026 | 14:19

Updated At-17 Mar, 2026 | 15:52

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

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Secondary	3.1	4.0	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Primary	3.1	5.5	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Type: Secondary

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

Type: Primary

Version: 3.1

Base score: 5.5

Base severity: MEDIUM

Vector:

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CPE Matches

libexpat_project>>libexpat>>Versions before 2.7.5(exclusive)

cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:*

Weaknesses

CWE ID	Type	Source
CWE-835	Primary	cve@mitre.org

CWE ID: CWE-835

Type: Primary

Source: cve@mitre.org

References

Hyperlink	Source	Resource
https://github.com/libexpat/libexpat/issues/1161	cve@mitre.org	Exploit Issue Tracking Vendor Advisory
https://github.com/libexpat/libexpat/pull/1159	cve@mitre.org	Issue Tracking Patch
https://github.com/libexpat/libexpat/pull/1162	cve@mitre.org	Issue Tracking Patch
https://issues.oss-fuzz.com/issues/486993411	cve@mitre.org	Permissions Required

Hyperlink: https://github.com/libexpat/libexpat/issues/1161

Source: cve@mitre.org

Resource:

Exploit

Issue Tracking

Vendor Advisory

Hyperlink: https://github.com/libexpat/libexpat/pull/1159

Source: cve@mitre.org

Resource:

Issue Tracking

Patch

Hyperlink: https://github.com/libexpat/libexpat/pull/1162

Source: cve@mitre.org

Resource:

Issue Tracking

Patch

Hyperlink: https://issues.oss-fuzz.com/issues/486993411

Source: cve@mitre.org

Resource:

Permissions Required

CISA Catalog

Metrics

CPE Matches

Weaknesses

Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References

Change History