UBUNTU-CVE-2024-40896: libxml2 Ubuntu
CVSS: 9.1v3.1CriticalPublished
Published 23-12-2024Last modified 04-02-2026
Vulnerability summary
UBUNTU-CVE-2024-40896 is a critical (CVSS 9.1) vulnerability in libxml2 Ubuntu.
CVSS score
9.1/10
010
Critical · v3.1 (OSV · Ubuntu), selected by version preferenceEPSS 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 0 · Downstream 0 · Related 2Timeline
- 23-12-2024PublishedVulnerability first disclosed.
- 04-02-2026Last modifiedVulnerability information updated.
Description
In libxml2 2.11 before 2.11.9, 2.12 before 2.12.9, and 2.13 before 2.13.3, the SAX parser can produce events for external entities even if custom SAX handlers try to override entity content (by setting "checked"). This makes classic XXE attacks possible.
CVSS metrics
1 score · 1 source · 1 versionCritical 9.1Preferred score · OSV · Ubuntu (Ecosystem advisory) · calculated from vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:HSourcesSingle source
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
- libxml2< 2.12.7+dfsg-3ubuntu0.1
1 vendor · 1 product