# OPENSUSE-SU-2026:21252-1: clamav security update

OPENSUSE-SU-2026:21252-1, released July 7, 2026, fixes 8 CVEs in clamav (version 1.5.3-160000.1.1). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/opensuse-su-2026-21252-1
- Platform: Linux
- Released: Jul 7, 2026
- Priority: High (Closes CVE-2026-20244, high severity)
- CVEs: 8, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://osv.dev/vulnerability/openSUSE-SU-2026:21252-1

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [clamav](https://patchblox.com/security/data/product/linux/clamav.md) | opensuse-leap 16.0 | 1.5.3-160000.1.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-20213](https://patchblox.com/security/data/cve/CVE-2026-20213.md) | High | ClamAV PE File Format Processing Out-of-Bounds Memory Corruption Vulnerability | 7.5 | 0.0057 |  |
| [CVE-2026-20214](https://patchblox.com/security/data/cve/CVE-2026-20214.md) | High | ClamAV FSG File Format Processing Out-of-Bounds Memory Corruption Vulnerability | 7.5 | 0.0057 |  |
| [CVE-2026-20215](https://patchblox.com/security/data/cve/CVE-2026-20215.md) | High | ClamAV 7Zip File Format Processing Out-of-Bounds Memory Corruption Vulnerability | 7.5 | 0.0057 |  |
| [CVE-2026-20216](https://patchblox.com/security/data/cve/CVE-2026-20216.md) | High | ClamAV InstallShield File Format Processing Resource Exhaustion Vulnerability | 7.5 | 0.0057 |  |
| [CVE-2026-20217](https://patchblox.com/security/data/cve/CVE-2026-20217.md) | High | ClamAV PESpin File Format Processing Out-of-Bounds Memory Corruption Vulnerability | 7.5 | 0.0057 |  |
| [CVE-2026-20243](https://patchblox.com/security/data/cve/CVE-2026-20243.md) | High | ClamAV ALZ Archive Processing Denial of Service Vulnerability | 7.5 | 0.0057 |  |
| [CVE-2026-20244](https://patchblox.com/security/data/cve/CVE-2026-20244.md) | High | clamav: This update for clamav fixes the following issues  - CVE-2026-20213: PE file format parser could allow an unauthentic... | 7.5 | 0.0057 |  |
| [CVE-2026-41676](https://patchblox.com/security/data/cve/CVE-2026-41676.md) | High | rust-openssl: Deriver::derive and PkeyCtxRef::derive can overflow short buffers on OpenSSL 1.1.1 | 7.5 | 0.0029 |  |

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Data as of 2026-11-10T07:50:38Z 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

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