# CVE-2020-21427: libfreeimage3: Buffer Overflow vulnerability in function LoadPixelDataRLE8 inPluginBMP.cpp in FreeImage 3.18.0 allows remote attacke...

CVE-2020-21427 is fixed in 3 products on 1 platform, first by libfreeimage3 3.17.0+ds1-5+deb9u1ubuntu0.1~esm1, released August 22, 2023. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2020-21427
- Priority: High
- CVSS: 7.8 (Medium)
- EPSS: 0.0052
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Aug 22, 2023

## Description

Buffer Overflow vulnerability in function LoadPixelDataRLE8 inPluginBMP.cpp in FreeImage 3.18.0 allows remote attackers to run arbitrarycode and cause other impacts via crafted image file.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | freeimage Debian 11.6 (bullseye) | 3.18.0+ds2-6+deb11u1 | [DSA-5579-1](https://patchblox.com/security/data/fix/linux/dsa-5579-1.md) | Dec 17, 2023 |
| Linux | freeimage Debian 12.15 (bookworm) | 3.18.0+ds2-9+deb12u1 | [DSA-5579-1](https://patchblox.com/security/data/fix/linux/dsa-5579-1.md) | Dec 17, 2023 |
| Linux | freeimage Debian 13.5 (trixie) | 3.18.0+ds2-10 | [DEBIAN-CVE-2020-21427](https://patchblox.com/security/data/fix/linux/debian-cve-2020-21427.md) | Aug 22, 2023 |
| Linux | libfreeimage3 Ubuntu 18.04.6 LTS (bionic) | 3.17.0+ds1-5+deb9u1ubuntu0.1~esm1 | [libfreeimage3 3.17.0+ds1-5+deb9u1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libfreeimage3-3.17.0-ds1-5-deb9u1ubuntu0.1-esm1.md) | Aug 22, 2023 |
| Linux | libfreeimage3 Ubuntu 20.04 LTS (focal) | 3.18.0+ds2-1ubuntu3.1 | [libfreeimage3 3.18.0+ds2-1ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libfreeimage3-3.18.0-ds2-1ubuntu3.1.md) | Aug 22, 2023 |
| Linux | libfreeimage3 Ubuntu 22.04.1 LTS (jammy) | 3.18.0+ds2-6ubuntu5.1 | [libfreeimage3 3.18.0+ds2-6ubuntu5.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libfreeimage3-3.18.0-ds2-6ubuntu5.1.md) | Aug 22, 2023 |
| Linux | libfreeimage3 Ubuntu 24.04.5 LTS (noble) | 3.18.0+ds2-10build4 | [libfreeimage3 3.18.0+ds2-10build4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libfreeimage3-3.18.0-ds2-10build4.md) | Aug 22, 2023 |
| Linux | libfreeimage3 Ubuntu 24.10 (oracular) | 3.18.0+ds2-10build4 | [libfreeimage3 3.18.0+ds2-10build4](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libfreeimage3-3.18.0-ds2-10build4.md) | Jan 16, 2026 |
| Linux | libfreeimageplus3 Ubuntu 18.04.6 LTS (bionic) | 3.17.0+ds1-5+deb9u1ubuntu0.1~esm1 | [libfreeimageplus3 3.17.0+ds1-5+deb9u1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libfreeimageplus3-3.17.0-ds1-5-deb9u1ubuntu0.1-esm1.md) | Aug 22, 2023 |
| Linux | libfreeimageplus3 Ubuntu 20.04 LTS (focal) | 3.18.0+ds2-1ubuntu3.1 | [libfreeimageplus3 3.18.0+ds2-1ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libfreeimageplus3-3.18.0-ds2-1ubuntu3.1.md) | Aug 22, 2023 |
| Linux | libfreeimageplus3 Ubuntu 22.04.1 LTS (jammy) | 3.18.0+ds2-6ubuntu5.1 | [libfreeimageplus3 3.18.0+ds2-6ubuntu5.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libfreeimageplus3-3.18.0-ds2-6ubuntu5.1.md) | Aug 22, 2023 |
| Linux | libfreeimageplus3 Ubuntu 24.04.5 LTS (noble) | 3.18.0+ds2-10build4 | [libfreeimageplus3 3.18.0+ds2-10build4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libfreeimageplus3-3.18.0-ds2-10build4.md) | Aug 22, 2023 |
| Linux | libfreeimageplus3 Ubuntu 24.10 (oracular) | 3.18.0+ds2-10build4 | [libfreeimageplus3 3.18.0+ds2-10build4](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libfreeimageplus3-3.18.0-ds2-10build4.md) | Jan 16, 2026 |

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Data as of 2026-11-08T19:12:23Z 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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