# CVE-2025-53817: 7zip: 7-Zip is a file archiver with a high compression ratio

CVE-2025-53817 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2025-53817, released July 17, 2025. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2025-53817
- Priority: High
- CVSS: 7.5 (high)
- EPSS: 0.0071
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jul 17, 2025

## Description

7-Zip is a file archiver with a high compression ratio. 7-Zip supports extracting from Compound Documents. Prior to version 25.0.0, a null pointer dereference in the Compound handler may lead to denial of service. Version 25.0.0 contains a fix cor the issue.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | 7zip Debian 12.15 (bookworm) | 22.01+really25.01+dfsg-0+deb12u1 | [DEBIAN-CVE-2025-53817](https://patchblox.com/security/data/fix/linux/debian-cve-2025-53817.md) | Jul 17, 2025 |
| Linux | 7zip Debian 13.5 (trixie) | 25.00+dfsg-1 | [DEBIAN-CVE-2025-53817](https://patchblox.com/security/data/fix/linux/debian-cve-2025-53817.md) | Jul 17, 2025 |
| Linux | 7zip Debian 14 | 25.00+dfsg-1 | [DEBIAN-CVE-2025-53817](https://patchblox.com/security/data/fix/linux/debian-cve-2025-53817.md) | Jul 17, 2025 |
| Linux | 7zip opensuse-leap 16.0 | 25.01-160000.1.1 | [OPENSUSE-SU-2026:20273-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-20273-1.md) | Feb 26, 2026 |
| Linux | 7zip sles 16.0 | 25.01-160000.1.1 | [SUSE-SU-2026:20592-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-20592-1.md) | Feb 26, 2026 |
| Linux | p7zip Debian 12.15 (bookworm) | 16.02+really25.01+dfsg-0+deb12u1 | [DEBIAN-CVE-2025-53817](https://patchblox.com/security/data/fix/linux/debian-cve-2025-53817.md) | Jul 17, 2025 |
| Linux | p7zip Debian 13.5 (trixie) | 16.02+transitional.1 | [DEBIAN-CVE-2025-53817](https://patchblox.com/security/data/fix/linux/debian-cve-2025-53817.md) | Jul 17, 2025 |
| Linux | p7zip opensuse-leap 15.6 | 16.02-150200.14.15.1 | [SUSE-SU-2025:3791-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-3791-1.md) | Oct 24, 2025 |
| Linux | p7zip sles 15.6 | 16.02-150200.14.15.1 | [SUSE-SU-2025:3791-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-3791-1.md) | Oct 24, 2025 |
| Linux | p7zip sles 15.7 | 16.02-150200.14.15.1 | [SUSE-SU-2025:3791-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-3791-1.md) | Oct 24, 2025 |

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Data as of 2026-11-09T01:18:40Z 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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