Red Hat Security Advisory: libxml2 security update
Affects Red Hat libxml2Source GCVE Database
Not known to be exploited.
Data as of 5 Nov 2026, 18:06 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
Exploitation evidence
Disclosed: evidence found.
CVE published 28 Apr 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 5 Nov 2026.
What to do
AI-suggested
Red Hat has released an official security update for libxml2 in Red Hat Enterprise Linux 8 to address this vulnerability. Users should apply the update as described in Red Hat advisory RHSA-2026:11349. Details on applying the update are available at https://access.redhat.com/articles/11258. No additional mitigation steps are required beyond applying the official patch.
Description
A moderate severity vulnerability (CVE-2025-9714) in the libxml2 library affects the exsltDynMapFunction function in libexslt/dynamic.c, causing infinite recursion. This issue is addressed by a security update from Red Hat for Red Hat Enterprise Linux 8. The vulnerability relates to the libxslt component of libxml2 and may impact XML processing.