CVE-2025-49796
Critical
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.
SeverityCritical
CVSS9.1
Exploit probability—
Product
Libxml2
PublishedJun 16, 2025
First seenJun 16, 2025
Weakness typeCWE-125Out-of-bounds read
How to fix
Update
- libxml22.15.0 or later
Vendor advisories
- access.redhat.com/errata/RHSA-2025:10630
- access.redhat.com/errata/RHSA-2025:10698
- access.redhat.com/errata/RHSA-2025:10699
- access.redhat.com/errata/RHSA-2025:11580
- access.redhat.com/errata/RHSA-2025:12098
- access.redhat.com/errata/RHSA-2025:12099
- access.redhat.com/errata/RHSA-2025:12199
- access.redhat.com/errata/RHSA-2025:12237
- access.redhat.com/errata/RHSA-2025:12239
- access.redhat.com/errata/RHSA-2025:12240
- access.redhat.com/errata/RHSA-2025:12241
- access.redhat.com/errata/RHSA-2025:13267
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| libxml2 | v < 2.15.0 | 2.15.0 |
| Red Hat Red Hat Enterprise Linux 10 | No range specified | — |
| Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support | No range specified | — |
| enterprise_linux 8 | No range specified | — |
| rhel_aus 8.2 | No range specified | — |
| rhel_aus 8.4 | No range specified | — |
| rhel_aus 8.6 | No range specified | — |
| rhel_e4s 8.8 | No range specified | — |
| enterprise_linux 9 | No range specified | — |
| rhel_e4s 9.0 | No range specified | — |
| rhel_e4s 9.2 | No range specified | — |
| rhel_eus 9.4 | No range specified | — |
| openshift 4.12 | No range specified | — |
| openshift 4.13 | No range specified | — |
| openshift 4.14 | No range specified | — |
| openshift 4.15 | No range specified | — |
| openshift 4.16 | No range specified | — |
| openshift 4.17 | No range specified | — |
| openshift 4.18 | No range specified | — |
| openshift 4.19 | No range specified | — |
| openshift 4.20 | No range specified | — |
| webterminal 1.11 | No range specified | — |
| webterminal 1.12 | No range specified | — |
| openshift_serverless 1.36 | No range specified | — |
| cert_manager 1.16 | No range specified | — |
| openshift_file_integrity_operator 1 | No range specified | — |
| discovery 2 | No range specified | — |
| Red Hat Red Hat Hardened Images | No range specified | — |
| insights_proxy 1.5 | No range specified | — |
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