Red Hat Security Advisory: libxml2 security update
Affects Red Hat libxml2Source GCVE Database
Not known to be exploited.
Data as of 5 Nov 2026, 18:05 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
Exploitation evidence
Disclosed: evidence found.
CVE published 2 Jun 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 updated libxml2 packages for Red Hat Enterprise Linux 7 Extended Lifecycle Support that address this vulnerability. Users should apply the security update as described in Red Hat advisory RHSA-2026:22420. No additional mitigation steps are indicated or required beyond applying the official patch.
Description
A moderate severity security vulnerability (CVE-2025-9714) affects the libxml2 library used in Red Hat Enterprise Linux 7 Extended Lifecycle Support. The flaw involves infinite recursion in the exsltDynMapFunction function within the libexslt/dynamic.c source file. This issue has been addressed by Red Hat in updated libxml2 packages for multiple architectures. Users of affected Red Hat Enterprise Linux 7 Extended Lifecycle Support versions should apply the provided security update to remediate the vulnerability.