CVE-2026-2966
Cesanta Mongoose DNS Transaction ID dns.c mg_sendnsreq random values
Summary
Cesanta Mongoose DNS Transaction ID dns.c mg_sendnsreq random values
Original description
The description as published by the source.
A weakness has been identified in Cesanta Mongoose up to 7.20. The impacted element is the function mg_sendnsreq of the file /src/dns.c of the component DNS Transaction ID Handler. Executing a manipulation of the argument random can lead to insufficiently random values. The attack can be launched remotely. The attack requires a high level of complexity. The exploitability is regarded as difficult. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Debian DEBIAN-CVE-2026-2966 swupdate
- Ubuntu UBUNTU-CVE-2026-2966 opencpn
References
- advisory github.com
- advisory nvd.nist.gov
- advisory vuldb.com
- advisory vuldb.com
- report vuldb.com
- report github.com
- web github.com