CVE-2024-34459

high

Description

An issue was discovered in xmllint (from libxml2) before 2.11.8 and 2.12.x before 2.12.7. Formatting error messages with xmllint --htmlout can result in a buffer over-read in xmlHTMLPrintFileContext in xmllint.c.

References

Advisories
More

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VRDJCNQP32LV56KESUQ5SNZKAJWSZZRI/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/INKSSLW5VMZIXHRPZBAW4TJUX5SQKARG/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5HVUXKYTBWT3G5DEEQX62STJQBY367NL/

https://lists.fedoraproject.org/archives/list/[email protected]/message/VRDJCNQP32LV56KESUQ5SNZKAJWSZZRI/

https://lists.fedoraproject.org/archives/list/[email protected]/message/INKSSLW5VMZIXHRPZBAW4TJUX5SQKARG/

https://lists.fedoraproject.org/archives/list/[email protected]/message/5HVUXKYTBWT3G5DEEQX62STJQBY367NL/

https://lists.debian.org/debian-lts-announce/2025/07/msg00014.html

https://gitlab.gnome.org/GNOME/libxml2/-/releases/v2.12.7

https://gitlab.gnome.org/GNOME/libxml2/-/releases/v2.11.8

https://gitlab.gnome.org/GNOME/libxml2/-/issues/720

https://euvd.enisa.europa.eu/vulnerability/EUVD-2024-34814

https://cert-portal.siemens.com/productcert/html/ssa-398330.html

Details

Source: Mitre, NVD

Published: 2024-05-14

Updated: 2026-10-15

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:N/A:N

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N