# ALSA-2026:64810: Security update for 2 packages

ALSA-2026:64810, released September 8, 2026, fixes 2 CVEs across 2 products. None of them is reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/fix/linux/alsa-2026-64810
- Platform: Linux
- Released: Sep 8, 2026
- Priority: Routine (Closes 2 CVEs, none high severity)
- CVEs: 2, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://osv.dev/vulnerability/ALSA-2026:64810

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [expat](https://patchblox.com/security/data/product/linux/expat.md) | almalinux 10 | 2.7.3-1.el10_2.3 |
| [expat-devel](https://patchblox.com/security/data/product/linux/expat-devel.md) | almalinux 10 | 2.7.3-1.el10_2.3 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-50219](https://patchblox.com/security/data/cve/CVE-2026-50219.md) | Routine | libexpat before 2.8.2 lacks handler call depth tracking for calls to XML_GetBuffer, XML_Parse, XML_ParseBuffer, XML_ParserFree, or XML_ParserReset from within handlers in cases of a policy violation. Thus, a use-after-free can occur, | 6.9 | 0.0018 |  |
| [CVE-2026-56132](https://patchblox.com/security/data/cve/CVE-2026-56132.md) | Routine | In libexpat before 2.8.2, there is a heap-based buffer overflow in doProlog in xmlparse.c because scaffold backing array reallocation is mishandled when there is data-structure sharing across parsers. | 6.9 | 0.0014 |  |

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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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo