# CVE-2026-104592: libosmocore: libosmocore through 1.14.1 contains an out-of-bounds read in the CBSP WRITE-REPLACE decoder in src/gsm/cbsp.c

CVE-2026-104592 is fixed in libosmocore on 1 platform, first by DEBIAN-CVE-2026-104592, released October 27, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-104592
- Priority: Routine
- CVSS: 6.5 (medium)
- EPSS: 0.0027
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Oct 26, 2026

## Description

libosmocore through 1.14.1 contains an out-of-bounds read in the CBSP WRITE-REPLACE decoder in src/gsm/cbsp.c. This allows a remote attacker to cause a denial of service.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libosmocore Debian 14 | 1.14.2-1 | [DEBIAN-CVE-2026-104592](https://patchblox.com/security/data/fix/linux/debian-cve-2026-104592.md) | Oct 27, 2026 |
| Linux | libosmocore opensuse-leap 16.0 | 1.14.2-bp160.1.1 | [OPENSUSE-SU-2026:22220-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-22220-1.md) | Nov 7, 2026 |

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Data as of 2026-11-09T13:31:49Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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