USN-5638-4: expat Ubuntu
CVSS: UnknownPublished
Published 28-02-2023Last modified 29-06-2026
Vulnerability summary
USN-5638-4 is a vulnerability in expat Ubuntu with no CVSS score yet.
CVSS score
Not scored
010
No CVSS score recordedEPSS score
Not scored
0%100%
No EPSS score yetKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 2 · Downstream 0 · Related 2Timeline
- 28-02-2023PublishedVulnerability first disclosed.
- 29-06-2026Last modifiedVulnerability information updated.
Description
expat vulnerabilities USN-5638-1 fixed several vulnerabilities in Expat. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: Rhodri James discovered that Expat incorrectly handled memory when processing certain malformed XML files. An attacker could possibly use this issue to cause a crash or execute arbitrary code.
CVSS metrics
Risk metrics not yet published.
EPSS trend
No EPSS score has been published for this record yet.
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Ubuntu1 product
- expat< 2.1.0-4ubuntu1.4+esm7
1 vendor · 1 product