# CVE-2026-48829: gsasl: In GNU SASL before 2.2.3, DIGEST-MD5 has a NULL pointer dereference affecting both clients and servers, via a known t...

CVE-2026-48829 is fixed in 7 products on 1 platform, first by gsasl 2.2.1-1willsync1ubuntu0.1, released May 23, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2026-48829
- Priority: High
- CVSS: 7.5 (high)
- EPSS: 0.0046
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 23, 2026

## Description

In GNU SASL before 2.2.3, DIGEST-MD5 has a NULL pointer dereference affecting both clients and servers, via a known token with no accompanying = character. This occurs in lib/digest-md5/getsubopt.c.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | gsasl Debian 12.15 (bookworm) | 2.2.0-1+deb12u1 | [DEBIAN-CVE-2026-48829](https://patchblox.com/security/data/fix/linux/debian-cve-2026-48829.md) | May 27, 2026 |
| Linux | gsasl Debian 13.5 (trixie) | 2.2.2-1.1+deb13u1 | [DEBIAN-CVE-2026-48829](https://patchblox.com/security/data/fix/linux/debian-cve-2026-48829.md) | May 27, 2026 |
| Linux | gsasl Debian 14 | 2.2.3-1 | [DEBIAN-CVE-2026-48829](https://patchblox.com/security/data/fix/linux/debian-cve-2026-48829.md) | May 27, 2026 |
| Linux | gsasl Ubuntu 24.04.5 LTS (noble) | 2.2.1-1willsync1ubuntu0.1 | [gsasl 2.2.1-1willsync1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-gsasl-2.2.1-1willsync1ubuntu0.1.md) | May 23, 2026 |
| Linux | gsasl Ubuntu 25.10 (questing) | 2.2.2-2ubuntu1.1 | [gsasl 2.2.2-2ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-gsasl-2.2.2-2ubuntu1.1.md) | May 23, 2026 |
| Linux | gsasl Ubuntu 26.04.1 LTS (resolute) | 2.2.2-4ubuntu1.1 | [gsasl 2.2.2-4ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-gsasl-2.2.2-4ubuntu1.1.md) | May 23, 2026 |
| Linux | gsasl opensuse-leap 16.0 | 2.2.1-160000.3.1 | [OPENSUSE-SU-2026:21004-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21004-1.md) | Jun 22, 2026 |
| Linux | gsasl sles 16.0 | 2.2.1-160000.3.1 | [SUSE-SU-2026:22313-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-22313-1.md) | Jun 22, 2026 |
| Linux | gsasl-common Ubuntu 24.04.5 LTS (noble) | 2.2.1-1willsync1ubuntu0.1 | [gsasl-common 2.2.1-1willsync1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-gsasl-common-2.2.1-1willsync1ubuntu0.1.md) | May 23, 2026 |
| Linux | gsasl-common Ubuntu 25.10 (questing) | 2.2.2-2ubuntu1.1 | [gsasl-common 2.2.2-2ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-gsasl-common-2.2.2-2ubuntu1.1.md) | May 23, 2026 |
| Linux | gsasl-common Ubuntu 26.04.1 LTS (resolute) | 2.2.2-4ubuntu1.1 | [gsasl-common 2.2.2-4ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-gsasl-common-2.2.2-4ubuntu1.1.md) | May 23, 2026 |
| Linux | libgsasl Fedora 43 | 1.10.0-17.fc43 | [FEDORA-2026-110274A705](https://patchblox.com/security/data/fix/linux/fedora-2026-110274a705.md) | Aug 7, 2026 |
| Linux | libgsasl-debuginfo Fedora 43 | 1.10.0-17.fc43 | [FEDORA-2026-110274A705](https://patchblox.com/security/data/fix/linux/fedora-2026-110274a705.md) | Aug 7, 2026 |
| Linux | libgsasl-debugsource Fedora 43 | 1.10.0-17.fc43 | [FEDORA-2026-110274A705](https://patchblox.com/security/data/fix/linux/fedora-2026-110274a705.md) | Aug 7, 2026 |
| Linux | libgsasl-devel Fedora 43 | 1.10.0-17.fc43 | [FEDORA-2026-110274A705](https://patchblox.com/security/data/fix/linux/fedora-2026-110274a705.md) | Aug 7, 2026 |
| Linux | libgsasl18 Ubuntu 24.04.5 LTS (noble) | 2.2.1-1willsync1ubuntu0.1 | [libgsasl18 2.2.1-1willsync1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libgsasl18-2.2.1-1willsync1ubuntu0.1.md) | May 23, 2026 |
| Linux | libgsasl18 Ubuntu 25.10 (questing) | 2.2.2-2ubuntu1.1 | [libgsasl18 2.2.2-2ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libgsasl18-2.2.2-2ubuntu1.1.md) | May 23, 2026 |
| Linux | libgsasl18 Ubuntu 26.04.1 LTS (resolute) | 2.2.2-4ubuntu1.1 | [libgsasl18 2.2.2-4ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libgsasl18-2.2.2-4ubuntu1.1.md) | May 23, 2026 |

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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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