# CVE-2021-36489: allegro5: Buffer Overflow vulnerability in Allegro through 5.2.6 allows attackers to cause a denial of service via crafted PCX/...

CVE-2021-36489 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2021-36489, released February 3, 2023. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2021-36489
- Priority: Routine
- CVSS: 6.5 (medium)
- EPSS: 0.0059
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Feb 3, 2023

## Description

Buffer Overflow vulnerability in Allegro through 5.2.6 allows attackers to cause a denial of service via crafted PCX/TGA/BMP files to allegro_image addon.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | allegro4.4 Debian 14 | 2:4.4.3.1-8 | [DEBIAN-CVE-2021-36489](https://patchblox.com/security/data/fix/linux/debian-cve-2021-36489.md) | Feb 3, 2023 |
| Linux | allegro5 Debian 12.15 (bookworm) | 2:5.2.8.0-1 | [DEBIAN-CVE-2021-36489](https://patchblox.com/security/data/fix/linux/debian-cve-2021-36489.md) | Feb 3, 2023 |
| Linux | allegro5 Debian 13.5 (trixie) | 2:5.2.8.0-1 | [DEBIAN-CVE-2021-36489](https://patchblox.com/security/data/fix/linux/debian-cve-2021-36489.md) | Feb 3, 2023 |
| Linux | allegro5 Debian 14 | 2:5.2.8.0-1 | [DEBIAN-CVE-2021-36489](https://patchblox.com/security/data/fix/linux/debian-cve-2021-36489.md) | Feb 3, 2023 |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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