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. This occurs in xmlSchemaFixupComplexType in xmlschemas.c.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.5 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
mitreCNA
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CVEADP
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CISA-ADPADP
6.5 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 47%
VendorProductVersion
xmlsoftlibxml2
𝑥
< 2.10.4
debiandebian_linux
10.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
libxml2
bullseye
2.9.10+dfsg-6.7+deb11u4
fixed
bullseye (security)
2.9.10+dfsg-6.7+deb11u5
fixed
bookworm
2.9.14+dfsg-1.3~deb12u1
fixed
sid
2.12.7+dfsg+really2.9.14-0.2
fixed
trixie
2.12.7+dfsg+really2.9.14-0.2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
libxml2
lunar
Fixed 2.9.14+dfsg-1.1ubuntu0.1
released
kinetic
Fixed 2.9.14+dfsg-1ubuntu0.2
released
jammy
Fixed 2.9.13+dfsg-1ubuntu0.3
released
focal
Fixed 2.9.10+dfsg-5ubuntu0.20.04.6
released
bionic
Fixed 2.9.4+dfsg1-6.1ubuntu1.9
released
xenial
Fixed 2.9.3+dfsg1-1ubuntu0.7+esm5
released
trusty
Fixed 2.9.1+dfsg1-3ubuntu4.13+esm5
released
Common Weakness Enumeration
References
https://gitlab.gnome.org/GNOME/libxml2/-/issues/491
https://gitlab.gnome.org/GNOME/libxml2/-/releases/v2.10.4
https://lists.debian.org/debian-lts-announce/2023/04/msg00031.html
https://security.netapp.com/advisory/ntap-20230601-0006/
https://security.netapp.com/advisory/ntap-20240201-0005/
https://gitlab.gnome.org/GNOME/libxml2/-/issues/491
https://gitlab.gnome.org/GNOME/libxml2/-/releases/v2.10.4
https://lists.debian.org/debian-lts-announce/2023/04/msg00031.html
https://security.netapp.com/advisory/ntap-20230601-0006/
https://security.netapp.com/advisory/ntap-20240201-0005/