VulnerabilityModified
CVE-2023-28484
In libxml2 before 2.10.4, parsing of certain invalid XSD schemas can lead to a NULL pointer dereference and subsequently a segfault.
MEDIUM 6.5EPSS 1.09%
Does this matter?
Lower severity and a low EPSS score (1.09%). Track it; it rarely justifies an emergency change on its own.
Description
In libxml2 before 2.10.4, parsing of certain invalid XSD schemas can lead to a NULL pointer dereference and subsequently a segfault. This occurs in xmlSchemaFixupComplexType in xmlschemas.c.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 1.09% probability · 63th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- xmlsoft/libxml2 · debian/debian linux
- Source
- cve@mitre.org
References
- https://gitlab.gnome.org/GNOME/libxml2/-/issues/491Exploit, Issue Tracking, Patch, Vendor Advisory
- https://gitlab.gnome.org/GNOME/libxml2/-/releases/v2.10.4Release Notes
- https://lists.debian.org/debian-lts-announce/2023/04/msg00031.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20230601-0006/
- https://security.netapp.com/advisory/ntap-20240201-0005/
- https://gitlab.gnome.org/GNOME/libxml2/-/issues/491Exploit, Issue Tracking, Patch, Vendor Advisory
- https://gitlab.gnome.org/GNOME/libxml2/-/releases/v2.10.4Release Notes
- https://lists.debian.org/debian-lts-announce/2023/04/msg00031.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20230601-0006/
- https://security.netapp.com/advisory/ntap-20240201-0005/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.