# CVE-2022-0699: libshp2: A double-free condition exists in contrib/shpsort.c of shapelib 1.5.0 and older releases

CVE-2022-0699 is fixed in 2 products on 1 platform, first by libshp2 1.4.1-1ubuntu0.1~esm1, released October 17, 2022. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2022-0699
- Priority: High
- CVSS: 9.8 (Medium)
- EPSS: 0.0166
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Oct 17, 2022

## Description

A double-free condition exists in contrib/shpsort.c of shapelib 1.5.0 and older releases. This issue may allow an attacker to cause a denial of service or have other unspecified impact via control over malloc.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libshp2 Ubuntu 18.04.6 LTS (bionic) | 1.4.1-1ubuntu0.1~esm1 | [libshp2 1.4.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libshp2-1.4.1-1ubuntu0.1-esm1.md) | Oct 17, 2022 |
| Linux | libshp2 Ubuntu 20.04 LTS (focal) | 1.5.0-1ubuntu0.1~esm1 | [libshp2 1.5.0-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libshp2-1.5.0-1ubuntu0.1-esm1.md) | Oct 17, 2022 |
| Linux | libshp2 Ubuntu 22.04.1 LTS (jammy) | 1.5.0-2+deb11u1build0.22.04.1 | [libshp2 1.5.0-2+deb11u1build0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libshp2-1.5.0-2-deb11u1build0.22.04.1.md) | Oct 17, 2022 |
| Linux | shapelib Debian 11.6 (bullseye) | 1.5.0-2+deb11u1 | [DLA-4451-1](https://patchblox.com/security/data/fix/linux/dla-4451-1.md) | Jan 24, 2026 |
| Linux | shapelib Debian 12.15 (bookworm) | 1.5.0-3 | [DEBIAN-CVE-2022-0699](https://patchblox.com/security/data/fix/linux/debian-cve-2022-0699.md) | Oct 17, 2022 |
| Linux | shapelib Debian 13.5 (trixie) | 1.5.0-3 | [DEBIAN-CVE-2022-0699](https://patchblox.com/security/data/fix/linux/debian-cve-2022-0699.md) | Oct 17, 2022 |
| Linux | shapelib Debian 14 | 1.5.0-3 | [DEBIAN-CVE-2022-0699](https://patchblox.com/security/data/fix/linux/debian-cve-2022-0699.md) | Oct 17, 2022 |
| Linux | shapelib Ubuntu 18.04.6 LTS (bionic) | 1.4.1-1ubuntu0.1~esm1 | [shapelib 1.4.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-shapelib-1.4.1-1ubuntu0.1-esm1.md) | Oct 17, 2022 |
| Linux | shapelib Ubuntu 20.04 LTS (focal) | 1.5.0-1ubuntu0.1~esm1 | [shapelib 1.5.0-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-shapelib-1.5.0-1ubuntu0.1-esm1.md) | Oct 17, 2022 |
| Linux | shapelib Ubuntu 22.04.1 LTS (jammy) | 1.5.0-2+deb11u1build0.22.04.1 | [shapelib 1.5.0-2+deb11u1build0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-shapelib-1.5.0-2-deb11u1build0.22.04.1.md) | Oct 17, 2022 |

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Data as of 2026-11-08T00:53:09Z 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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