CVE-2025-49796: Red Hat Enterprise Linux 10 · Out-of-bounds Read
Affects Red Hat Enterprise Linux 10Source CVE Database V5
Not known to be exploited · CVSS 9.1 Critical : upgrade Red Hat Enterprise Linux 10 to 2.15.0 as a priority.
Data as of 26 Oct 2026, 12:29 UTC
- EPSS
- 1.5% chance of exploitation in 30 days – higher than 75% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 2.15.0
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 16 Jun 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade libxml2 to 2.15.0.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| libxml2 | Affected
| Fixed in
|
AI-suggested
Official patches are available from Red Hat for affected libxml2 versions. Users should apply the security updates provided in Red Hat advisories RHSA-2025:10630 and RHSA-2025:10698 for Red Hat Enterprise Linux 10 and 8 respectively. These updates address CVE-2025-49796 along with related libxml2 vulnerabilities. Applying these vendor-provided fixes is the recommended remediation. There is no indication that the issue is already mitigated or requires no action.
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.
References
- access.redhat.com/errata/RHSA-2025:10630 (opens in a new tab)
- access.redhat.com/errata/RHSA-2025:10698 (opens in a new tab)
- access.redhat.com/errata/RHSA-2025:10699 (opens in a new tab)
- access.redhat.com/errata/RHSA-2025:11580 (opens in a new tab)
- access.redhat.com/errata/RHSA-2025:12098 (opens in a new tab)
- access.redhat.com/errata/RHSA-2025:12099 (opens in a new tab)
- access.redhat.com/errata/RHSA-2025:12199 (opens in a new tab)
- access.redhat.com/errata/RHSA-2025:12237 (opens in a new tab)
- access.redhat.com/errata/RHSA-2025:12239 (opens in a new tab)
- access.redhat.com/errata/RHSA-2025:12240 (opens in a new tab)
- access.redhat.com/errata/RHSA-2025:12241 (opens in a new tab)
- access.redhat.com/errata/RHSA-2025:13267 (opens in a new tab)
- access.redhat.com/errata/RHSA-2025:13335 (opens in a new tab)
- access.redhat.com/errata/RHSA-2025:15397 (opens in a new tab)
- access.redhat.com/errata/RHSA-2025:15827 (opens in a new tab)
- access.redhat.com/errata/RHSA-2025:15828 (opens in a new tab)
- access.redhat.com/errata/RHSA-2025:18217 (opens in a new tab)
- access.redhat.com/errata/RHSA-2025:18218 (opens in a new tab)
- access.redhat.com/errata/RHSA-2025:18219 (opens in a new tab)
- access.redhat.com/errata/RHSA-2025:18240 (opens in a new tab)
- access.redhat.com/errata/RHSA-2025:19020 (opens in a new tab)
- access.redhat.com/errata/RHSA-2025:19041 (opens in a new tab)
- access.redhat.com/errata/RHSA-2025:19046 (opens in a new tab)
- access.redhat.com/errata/RHSA-2025:19894 (opens in a new tab)
- access.redhat.com/errata/RHSA-2025:21913 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:0934 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:7519 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2025-49796 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2372385 (opens in a new tab)
- gitlab.gnome.org/GNOME/libxml2/-/issues/933 (opens in a new tab)
- lists.debian.org/debian-lts-announce/2025/07/msg00014.html (opens in a new tab)
- cert-portal.siemens.com/productcert/html/ssa-577017.html (opens in a new tab)
- cert-portal.siemens.com/productcert/html/ssa-253495.html (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:62549 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:67857 (opens in a new tab)