USN-8022-1: expat Ubuntu

CVSS: UnknownPublished
Published 10-02-2026Last modified 25-06-2026
Open JSON

Vulnerability summary

USN-8022-1 is a vulnerability in expat Ubuntu with no CVSS score yet.

Overall risk
0/100
0100
Minimal · default modelHow is this calculated?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
Not scored
0%100%
No EPSS score yet
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 0 · Related 3
CVE-2025-59375CVE-2026-24515CVE-2026-25210

Timeline

  1. 10-02-2026
    PublishedVulnerability first disclosed.
  2. 25-06-2026
    Last modifiedVulnerability information updated.

Description

expat vulnerabilities It was discovered that Expat incorrectly handled memory when parsing certain XML files. An attacker could possibly use this issue to cause a denial of service. This issue was only addressed in Ubuntu 25.10. (CVE-2025-59375) It was discovered that Expat incorrectly handled the initialization of parsers for external entities. An attacker could possibly use this issue to cause a denial of service. (CVE-2026-24515) It was discovered that Expat incorrectly handled integer calculations when allocating memory for XML tags. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-25210)

CVSS metrics

Risk metrics not yet published.

EPSS trend

No EPSS score has been published for this record yet.

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Ubuntu1 product
  • expat< 2.1.0-4ubuntu1.4+esm11 | < 2.1.0-7ubuntu0.16.04.5+esm11 | < 2.2.5-3ubuntu0.9+esm3 | < 2.2.9-1ubuntu0.8+esm1 | < 2.4.7-1ubuntu0.7 | < 2.7.1-2ubuntu0.2

1 vendor · 1 product

References

4 links