Critical severity · published Jun 16, 2025
CVE-2025-49796
Libxml: type confusion leads to denial of service (dos)
9.1
CVSS
1.6%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.6% · higher than 75% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OF
OpenShift File Integrity Operator - FIO 1 · Red Hat
All versions, or not specified · source: vendor
RH
RHOSS-1.36-RHEL-8 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Discovery 2 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 10 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 6 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 7 Extended Lifecycle Support · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 8 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 8.2 Advanced Update Support · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 8.6 Telecommunications Update Service · Red Hat
All versions, or not specified · source: vendor
Affected product
CO
cert-manager operator for Red Hat OpenShift 1.16
Red Hat
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-49796
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-49796
vendor-advisory
https://access.redhat.com/errata/RHSA-2025:10630
vendor-advisory
https://access.redhat.com/errata/RHSA-2025:10698
vendor-advisory
https://access.redhat.com/errata/RHSA-2025:10699
vendor-advisory
https://access.redhat.com/errata/RHSA-2025:11580
vendor-advisory
https://access.redhat.com/errata/RHSA-2025:12098
vendor-advisory
https://access.redhat.com/errata/RHSA-2025:12099
More from cert-manager operator for Red Hat OpenShift 1.16
9.1
CVE-2025-49794
Libxml: heap use after free (uaf) leads to denial of service (dos)
7.8
CVE-2025-7425
Libxslt: libxml2: heap use-after-free in libxslt caused by atype corruption in xmlattrptr
7.8
CVE-2025-6020
Linux-pam: linux-pam directory traversal
7.8
CVE-2025-5914
Libarchive: double free at archive_read_format_rar_seek_data() in archive_read_support_format_rar.c