VulnerabilityDeferred
CVE-2025-49796
A vulnerability was found in libxml2.
CRITICAL 9.1EPSS 1.49%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.49%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
- EPSS
- 1.49% probability · 73th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Source
- secalert@redhat.com
References
- https://access.redhat.com/errata/RHSA-2025:10630
- https://access.redhat.com/errata/RHSA-2025:10698
- https://access.redhat.com/errata/RHSA-2025:10699
- https://access.redhat.com/errata/RHSA-2025:11580
- https://access.redhat.com/errata/RHSA-2025:12098
- https://access.redhat.com/errata/RHSA-2025:12099
- https://access.redhat.com/errata/RHSA-2025:12199
- https://access.redhat.com/errata/RHSA-2025:12237
- https://access.redhat.com/errata/RHSA-2025:12239
- https://access.redhat.com/errata/RHSA-2025:12240
- https://access.redhat.com/errata/RHSA-2025:12241
- https://access.redhat.com/errata/RHSA-2025:13267
- https://access.redhat.com/errata/RHSA-2025:13335
- https://access.redhat.com/errata/RHSA-2025:15397
- https://access.redhat.com/errata/RHSA-2025:15827
- https://access.redhat.com/errata/RHSA-2025:15828
- https://access.redhat.com/errata/RHSA-2025:18217
- https://access.redhat.com/errata/RHSA-2025:18218
- https://access.redhat.com/errata/RHSA-2025:18219
- https://access.redhat.com/errata/RHSA-2025:18240
- https://access.redhat.com/errata/RHSA-2025:19020
- https://access.redhat.com/errata/RHSA-2025:19041
- https://access.redhat.com/errata/RHSA-2025:19046
- https://access.redhat.com/errata/RHSA-2025:19894
- https://access.redhat.com/errata/RHSA-2025:21913
- https://access.redhat.com/errata/RHSA-2026:0934
- https://access.redhat.com/errata/RHSA-2026:62549
- https://access.redhat.com/errata/RHSA-2026:7519
- https://access.redhat.com/security/cve/CVE-2025-49796
- https://bugzilla.redhat.com/show_bug.cgi?id=2372385
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.