# CVE-2023-26916: libyang2t64: libyang from v2.0.164 to v2.1.30 was discovered to contain a NULL pointer dereference via the function lys_parse_mem...

CVE-2023-26916 is fixed in 4 products on 1 platform, first by DEBIAN-CVE-2023-26916, released April 3, 2023. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2023-26916
- Priority: Routine
- CVSS: 5.3 (Medium)
- EPSS: 0.0099
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 3, 2023

## Description

libyang from v2.0.164 to v2.1.30 was discovered to contain a NULL pointer dereference via the function lys_parse_mem at lys_parse_mem.c.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libyang Debian 13.5 (trixie) | 3.4.2+dfsg-2 | [DEBIAN-CVE-2023-26916](https://patchblox.com/security/data/fix/linux/debian-cve-2023-26916.md) | Apr 3, 2023 |
| Linux | libyang Debian 14 | 3.4.2+dfsg-2 | [DEBIAN-CVE-2023-26916](https://patchblox.com/security/data/fix/linux/debian-cve-2023-26916.md) | Apr 3, 2023 |
| Linux | libyang-tools Ubuntu 24.04.5 LTS (noble) | 2.1.30-2.1ubuntu0.1 | [libyang-tools 2.1.30-2.1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libyang-tools-2.1.30-2.1ubuntu0.1.md) | Apr 11, 2023 |
| Linux | libyang2-tools Ubuntu 24.04.5 LTS (noble) | 2.1.30-2.1ubuntu0.1 | [libyang2-tools 2.1.30-2.1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libyang2-tools-2.1.30-2.1ubuntu0.1.md) | Apr 11, 2023 |
| Linux | libyang2t64 Ubuntu 24.04.5 LTS (noble) | 2.1.30-2.1ubuntu0.1 | [libyang2t64 2.1.30-2.1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libyang2t64-2.1.30-2.1ubuntu0.1.md) | Apr 11, 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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