# CVE-2022-26291: lrzip: lrzip v0.641 was discovered to contain a multiple concurrency use-after-free between the functions zpaq_decompress_bu...

CVE-2022-26291 is fixed in lrzip on 1 platform, first by DEBIAN-CVE-2022-26291, released March 28, 2022. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2022-26291
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0087
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Mar 28, 2022

## Description

lrzip v0.641 was discovered to contain a multiple concurrency use-after-free between the functions zpaq_decompress_buf() and clear_rulist(). This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted Irz file.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | lrzip Debian 12.15 (bookworm) | 0.650-1 | [DEBIAN-CVE-2022-26291](https://patchblox.com/security/data/fix/linux/debian-cve-2022-26291.md) | Mar 28, 2022 |
| Linux | lrzip Debian 13.5 (trixie) | 0.650-1 | [DEBIAN-CVE-2022-26291](https://patchblox.com/security/data/fix/linux/debian-cve-2022-26291.md) | Mar 28, 2022 |
| Linux | lrzip Debian 14 | 0.650-1 | [DEBIAN-CVE-2022-26291](https://patchblox.com/security/data/fix/linux/debian-cve-2022-26291.md) | Mar 28, 2022 |
| Linux | lrzip Ubuntu 18.04.6 LTS (bionic) | 0.631-1+deb9u3build0.18.04.1 | [lrzip 0.631-1+deb9u3build0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-lrzip-0.631-1-deb9u3build0.18.04.1.md) | Apr 15, 2022 |
| Linux | lrzip Ubuntu 20.04 LTS (focal) | 0.631+git180528-1+deb10u1build0.20.04.1 | [lrzip 0.631+git180528-1+deb10u1build0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-lrzip-0.631-git180528-1-deb10u1build0.20.04.1.md) | Apr 15, 2022 |

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