libexpat1 2.7.1-2ubuntu0.2: libexpat1 2.7.1-2ubuntu0.2 for Ubuntu 25.10 (questing)

libexpat1 2.7.1-2ubuntu0.2, released January 29, 2026, fixes 3 CVEs in libexpat1. None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.

HighUnsupported product

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

8.1

Base score, 0 to 10

Highest EPSS

0.0142

73rd percentile

Priority of the 3 CVEs

Patch now 0
                                Urgent 0
                                High 2
                                Routine 1

Fixed package versions

Product	Release	Fixed in
libexpat1	Ubuntu 25.10 (questing)	2.7.1-2ubuntu0.2

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2025-59375	libexpat in Expat before 2.7.2 allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing.	8.1	0.0142	None reported
High	CVE-2026-25210	expat: In libexpat before 2.7.4, the doContent function does not properly determine the buffer size bufSize because there is...	7.8	0.0021	None reported
Routine	CVE-2026-24515	expat: In libexpat before 2.7.4, XML_ExternalEntityParserCreate does not copy unknown encoding handler user data.	2.5	0.0020	None reported

Also fixes CVE-2025-59375

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