---
cve: "CVE-2025-49796"
severity: "CRITICAL"
cvss: 9.1
epss: "1.5%"
vendor: "Red Hat"
kev: false
exploited: false
published: "2025-06-16 16:15:19"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-06T00:26:17+02:00"
---

# CVE-2025-49796

> 9.1 CRITICAL

## Beschreibung

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-Vektor

```
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Keine | good |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Hoch | bad |

## Patch verfügbar (OSV)

- 0bea77c8289324483c0504d36ac730bb03f6a70b (Commit)

## Referenzen

- <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>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2025-49796) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_