# ALSA-2025:10630: Security update for 4 packages

ALSA-2025:10630, released July 8, 2025, fixes 4 CVEs across 4 products. None of them is reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/fix/linux/alsa-2025-10630
- Platform: Linux
- Released: Jul 8, 2025
- Priority: Urgent (Closes CVE-2025-49796, rated Critical)
- CVEs: 4, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://osv.dev/vulnerability/ALSA-2025:10630

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libxml2](https://patchblox.com/security/data/product/linux/libxml2.md) | almalinux 10 | 2.12.5-7.el10_0 |
| [libxml2-devel](https://patchblox.com/security/data/product/linux/libxml2-devel.md) | almalinux 10 | 2.12.5-7.el10_0 |
| [libxml2-static](https://patchblox.com/security/data/product/linux/libxml2-static.md) | almalinux 10 | 2.12.5-7.el10_0 |
| [python3-libxml2](https://patchblox.com/security/data/product/linux/python3-libxml2.md) | almalinux 10 | 2.12.5-7.el10_0 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2025-49796](https://patchblox.com/security/data/cve/CVE-2025-49796.md) | Urgent | Libxml: type confusion leads to denial of service (dos) | 9.1 | 0.0156 |  |
| [CVE-2025-49794](https://patchblox.com/security/data/cve/CVE-2025-49794.md) | Urgent | Libxml: heap use after free (uaf) leads to denial of service (dos) | 9.1 | 0.0083 |  |
| [CVE-2025-6021](https://patchblox.com/security/data/cve/CVE-2025-6021.md) | High | Libxml2: integer overflow in xmlbuildqname() leads to stack buffer overflow in libxml2 | 9.1 | 0.0137 |  |
| [CVE-2025-49795](https://patchblox.com/security/data/cve/CVE-2025-49795.md) | High | Libxml: null pointer dereference leads to denial of service (dos) | 9.1 | 0.0059 |  |

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Data as of 2026-11-07T12:40:37Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo