Use-after-free in the XML-LibXML module through 2.0129 for Perl allows remote attackers to execute arbitrary code by controlling the arguments to a replaceChild call.
https://www.debian.org/security/2017/dsa-4042
https://lists.debian.org/debian-lts-announce/2017/11/msg00017.html
Source: Mitre, NVD
Published: 2017-06-29
Updated: 2025-04-20
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical
EPSS: 0.05443