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CVE-2025-9714VulnerabilityPublished Updated

Red Hat Security Advisory: libxml2 security update

Affects Red Hat libxml2Source GCVE Database

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Not known to be exploited.

Data as of 5 Nov 2026, 18:18 UTC

Severity
Medium

Rated by Threat Radar · No CVSS score from NVD or the CNA

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 1 Dec 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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 that fix this vulnerability. Users of Red Hat Enterprise Linux 9 and its variants should apply the security updates as described in the Red Hat advisory RHSA-2025:22376 and the referenced article https://access.redhat.com/articles/11258. Applying these updates will remediate the infinite recursion issue. No additional mitigation steps are indicated by the vendor.

Description

A moderate severity vulnerability (CVE-2025-9714) in the libxml2 library affects Red Hat Enterprise Linux 9. The issue is an infinite recursion in the exsltDynMapFunction function within libexslt/dynamic.c, which could lead to denial of service or resource exhaustion. Red Hat has released security updates to address this flaw in libxml2 packages for multiple architectures and variants of RHEL 9.

References

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