Out-of-bounds Read in Red Hat Cert-Manager Operator For Openshift 1.16

CVE-2025-49796

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.

Vulnerability class: Buffer Overflow

EPSS: 0.014 (70.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-49796?
CVE-2025-49796 is a critical-severity vulnerability in Red Hat Cert-Manager Operator For Openshift 1.16, classified under Out-of-bounds Read. CVSS score: 9.1/10. Published 2025-06-16.
How severe is CVE-2025-49796?
Critical severity. CVSS v3 base score is 9.1 out of 10.
Is CVE-2025-49796 known to be exploited?
9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.