CVE-2026-26452: n/a
Description
ccoap 77f55c4b466e99327c24ace8a2913d3ba7e2ccd5 lcontains a vulnerability in the option parsing logic that causes a segmentation fault when processing COAP messages containing invalid option numbers.
CVSS v3.1
Score 7.5high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The ccoap library version identified by commit 77f55c4b466e99327c24ace8a2913d3ba7e2ccd5 contains a vulnerability in its option parsing logic. Specifically, when COAP messages include invalid option numbers, the parsing logic triggers a segmentation fault. This vulnerability is classified under CWE-20 (Improper Input Validation) and has a CVSS v3.1 base score of 7.5, indicating high severity. No patch or official remediation has been disclosed, and no known exploits are reported in the wild.
Potential Impact
Successful exploitation causes a segmentation fault resulting in denial of service (application crash) with no confidentiality or integrity impact. The vulnerability can be triggered remotely without authentication, increasing its risk.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, consider filtering or validating COAP messages to prevent invalid option numbers from reaching vulnerable systems.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2026-02-16T00:00:00.000Z
- State
- PUBLISHED
Threat ID: 6a906ba6acd9273b498399e7
Added to database: 08/27/2026, 16:53:58 UTC
Last enriched: 09/07/2026, 14:24:20 UTC
Last updated: 10/10/2026, 06:48:15 UTC
Views: 30
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