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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 · fixed in Red Hat package updates : update Red Hat libxml2 when convenient.

Data as of 5 Nov 2026, 18:18 UTC

Severity
Medium

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

Patch
Available – fixed in 2.9.13

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 26 Nov 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 an official security update for libxml2 in Red Hat Enterprise Linux 9.4 Extended Update Support. Users should apply the update as described in the Red Hat advisory (RHSA-2025:22163) to remediate this vulnerability. Details on applying the update are available at https://access.redhat.com/articles/11258. No additional mitigation steps are indicated.

Description

A moderate security vulnerability (CVE-2025-9714) has been identified in the libxml2 library used by Red Hat Enterprise Linux 9.4 Extended Update Support. The flaw involves infinite recursion in the exsltDynMapFunction function within libexslt/dynamic.c. This issue could potentially lead to denial of service conditions. Red Hat has released an update addressing this vulnerability.

References

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