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Vulnerabilities

Vulnerability · CVE-2025-49796

A vulnerability was found in libxml2.

Published Jun 16, 2025 · catalog updated Oct 8, 2026 · Red Hat RHOSS-1.36-RHEL-8

Check if you run it

No confirmed exploitation is on record for CVE-2025-49796. EPSS is 1.56%. Act only if a listed version of Red Hat RHOSS-1.36-RHEL-8 is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical9.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
1.56%
Remediation
Vendor / distro source
Affected products
vendor Red Hat RHOSS-1.36-RHEL-8 patch: 1.36.0-10

A vulnerability was found in libxml2. Processing certain sch:name elements from the input XML file can trigger a memory corruption issue. This flaw allows an attacker to craft a malicious XML input file that can lead libxml to crash, resulting in a denial of service or other possible undefined behavior due to sensitive data being corrupted in memory.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Red Hat RHOSS-1.36-RHEL-8 patch: 1.36.0-10patch: 1.36.0-10

How to fix CVE-2025-49796

  • Recommended remediation

    A vendor or distribution source is linked. Check that advisory for patch availability; this catalog does not invent fix status.

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-49796. EPSS is 1.56%. Act only if a listed version of Red Hat RHOSS-1.36-RHEL-8 is installed.

Which versions are affected?

Compare what you have installed with Red Hat RHOSS-1.36-RHEL-8 patch: 1.36.0-10 patch: 1.36.0-10. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 1.56%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 16, 2025 · EUVD

    Detected

    A vulnerability was found in libxml2. Processing certain sch:name elements from the input XML file can trigger a memory corruption issue. This flaw allows an attacker to craft a malicious XML input file that can lead libxml to crash, resulting in a denial of service or other possible undefined behavior due to sensitive data being corrupted in memory.

  2. Oct 8, 2026 · EUVD

    Updated

    A vulnerability was found in libxml2. Processing certain sch:name elements from the input XML file can trigger a memory corruption issue. This flaw allows an attacker to craft a malicious XML input file that can lead libxml to crash, resulting in a denial of service or other possible undefined behavior due to sensitive data being corrupted in memory.

Sources

  • EUVDVulnerability recordEUVD-2025-18415

    A vulnerability was found in libxml2. Processing certain sch:name elements from the input XML file can trigger a memory corruption issue. This flaw allows an attacker to craft a malicious XML input file that can lead libxml to crash, resulting in a denial of service or other poss

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 8, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.