CVE-2022-25313

expat: Stack exhaustion in doctype parsing

Published Feb 18, 2022 CVSS 3.1 · 6.5 Medium EPSS 3.3% KEV · Not listed
Description
In Expat (aka libexpat) before 2.4.5, an attacker can trigger stack exhaustion in build_model via a large nesting depth in the DTD element.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-2935-1 expat security update
Debian DSA Debian DSA DSA-5085-1 expat security update
EUVD EUVD EUVD-2022-29996 In Expat (aka libexpat) before 2.4.5, an attacker can trigger stack exhaustion in build_model via a large nesting depth in the DTD element.
Ubuntu USN Ubuntu USN USN-5320-1 Expat vulnerabilities and regression
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}