libosmocore up to 1.14.1 CBSP WRITE-REPLACE Decoder src/gsm/cbsp.c out-of-bounds

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k1.61-

Summaryinfo

A vulnerability has been found in libosmocore up to 1.14.1 and classified as critical. The affected element is an unknown function of the file src/gsm/cbsp.c of the component CBSP WRITE-REPLACE Decoder. Performing a manipulation results in out-of-bounds. This vulnerability is reported as CVE-2026-104592. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in libosmocore up to 1.14.1. It has been classified as critical. This affects an unknown part of the file src/gsm/cbsp.c of the component CBSP WRITE-REPLACE Decoder. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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.

The advisory is shared at osmocom.org. This vulnerability is uniquely identified as CVE-2026-104592 since 10/02/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details are known, but no exploit is available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

10/02/2026 CVE reserved
10/26/2026 +24 days Advisory disclosed
10/26/2026 +0 days VulDB entry created
10/26/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: osmocom.org
Status: Confirmed

CVE: CVE-2026-104592 (🔒)
GCVE (CVE): GCVE-0-2026-104592
GCVE (VulDB): GCVE-100-426597

Entryinfo

Created: 10/26/2026 20:10
Changes: 10/26/2026 20:10 (52)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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