CVE-2026-5244
A vulnerability has been found in Cesanta Mongoose up to 7.20. This af ...
Severidad por fuente
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Descripción
A vulnerability has been found in Cesanta Mongoose up to 7.20. This affects the function mg_tls_recv_cert of the file mongoose.c of the component TLS 1.3 Handler. Such manipulation of the argument pubkey leads to heap-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 7.21 mitigates this issue. The name of the patch is 0d882f1b43ff2308b7486a56a9d60cd6dba8a3f1. It is advisable to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
Paquetes afectados y versiones corregidas
| Fuente | Paquete | Corregido en |
|---|---|---|
| debian 11 | swupdate | sin corrección indicada |
| debian 12 | swupdate | sin corrección indicada |
| debian 13 | swupdate | sin corrección indicada |
| debian 14 | swupdate | 2025.12+dfsg-10 |
| echo | swupdate | sin corrección indicada |
| julia::Julia Ecosystem Security Advisories | Mongoose_jll | 7.21.0+0 |
| rapidfort debian 12 | swupdate | 0:2025.12+dfsg-10 |
| rapidfort debian 13 | swupdate | 0:2025.12+dfsg-10 |
Referencias
- https://github.com/advisories/GHSA-7vfw-f3r2-9m2j
- https://github.com/cesanta/mongoose
- https://github.com/cesanta/mongoose/
- https://github.com/cesanta/mongoose/commit/0d882f1b43ff2308b7486a56a9d60cd6dba8a3f1
- https://github.com/cesanta/mongoose/releases/tag/7.21
- https://nvd.nist.gov/vuln/detail/CVE-2026-5244
- https://vuldb.com/submit/770063
- https://vuldb.com/vuln/354825