# CVE-2020-12866: libsane1: A NULL pointer dereference in SANE Backends before 1.0.30 allows a malicious device connected to the same local netwo...

CVE-2020-12866 is fixed in 4 products on 1 platform, first by libsane 1.0.29-0ubuntu5.1, released June 24, 2020. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2020-12866
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0104
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 24, 2020

## Description

A NULL pointer dereference in SANE Backends before 1.0.30 allows a malicious device connected to the same local network as the victim to cause a denial of service, GHSL-2020-079.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libsane Ubuntu 20.04 LTS (focal) | 1.0.29-0ubuntu5.1 | [libsane 1.0.29-0ubuntu5.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libsane-1.0.29-0ubuntu5.1.md) | Jun 24, 2020 |
| Linux | libsane-common Ubuntu 18.04.6 LTS (bionic) | 1.0.27-1~experimental3ubuntu2.3 | [libsane-common 1.0.27-1~experimental3ubuntu2.3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libsane-common-1.0.27-1-experimental3ubuntu2.3.md) | Jun 24, 2020 |
| Linux | libsane-common Ubuntu 20.04 LTS (focal) | 1.0.29-0ubuntu5.1 | [libsane-common 1.0.29-0ubuntu5.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libsane-common-1.0.29-0ubuntu5.1.md) | Jun 24, 2020 |
| Linux | libsane1 Ubuntu 18.04.6 LTS (bionic) | 1.0.27-1~experimental3ubuntu2.3 | [libsane1 1.0.27-1~experimental3ubuntu2.3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libsane1-1.0.27-1-experimental3ubuntu2.3.md) | Jun 24, 2020 |
| Linux | libsane1 Ubuntu 20.04 LTS (focal) | 1.0.29-0ubuntu5.1 | [libsane1 1.0.29-0ubuntu5.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libsane1-1.0.29-0ubuntu5.1.md) | Jun 24, 2020 |
| Linux | sane-utils Ubuntu 18.04.6 LTS (bionic) | 1.0.27-1~experimental3ubuntu2.3 | [sane-utils 1.0.27-1~experimental3ubuntu2.3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-sane-utils-1.0.27-1-experimental3ubuntu2.3.md) | Jun 24, 2020 |
| Linux | sane-utils Ubuntu 20.04 LTS (focal) | 1.0.29-0ubuntu5.1 | [sane-utils 1.0.29-0ubuntu5.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-sane-utils-1.0.29-0ubuntu5.1.md) | Jun 24, 2020 |

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Data as of 2026-11-07T18:46:35Z 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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