CRITICAL 9.1 Microsoft
CVE-2025-49796
Libxml: type confusion leads to denial of service (dos)
Microsoft Security Update 2025-Jun: Libxml: type confusion leads to denial of service (dos)
Affected Products
- cm2 libxml2 2.10.4-8 on CBL Mariner 2.0
- azl3 libxml2 2.11.5-6 on Azure Linux 3.0
- cbl2 libxml2 2.10.4-8 on CBL Mariner 2.0
- cbl2 libxml2 2.10.4-8 on CBL-Mariner 2.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49796
- https://nvd.nist.gov/vuln/detail/CVE-2025-49796
This critical severity vulnerability with a CVSS score of 9.1 was published on 2025-06-10 via Microsoft. Affected: cm2 libxml2 2.10.4-8 on CBL Mariner 2.0, azl3 libxml2 2.11.5-6 on Azure Linux 3.0, cbl2 libxml2 2.10.4-8 on CBL Mariner 2.0 and 1 more.
Risk Timeline
CVE Disclosed2025-06-10 · 477 days ago
Remediation Resources
Official Advisory
msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49796NVD / MITRE
nvd.nist.gov/vuln/detail/CVE-2025-49796Related Vulnerabilities
| CVE | Title | Severity | CVSS |
|---|---|---|---|
| CVE-2025-32463 PoC | Sudo before 1.9.17p1 allows local users to obtain root access | CRITICAL | 9.3 |
| CVE-2025-49794 | Libxml: heap use after free (uaf) leads to denial of service (dos) | CRITICAL | 9.1 |
| CVE-2024-6174 | When a non-x86 platform is detected, cloud-init grants root access to a hardcode | HIGH | 8.8 |
| CVE-2025-53547 | Helm Chart Dependency Updating With Malicious Chart.yaml Content And Symlink Can | HIGH | 8.6 |
| CVE-2025-48387 | tar-fs has issue where extract can write outside the specified dir with a specif | HIGH | 8.2 |
| CVE-2025-0624 | Grub2: net: out-of-bounds write in grub_net_search_config_file() | HIGH | 7.6 |
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