CVSS 3.1
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Атакува се
Време до експлоатация
Атакува се по мрежата, без особени условия, без вход и без действие от потребителя.
- Експлоатация: има публичен пример за експлоатация
- Атаката може да се автоматизира
Описание
Оригинално описание
Mongoose is an embedded web server and network library. Prior to 7.23, the built-in TCP/IP stack enabled by MG_ENABLE_TCPIP in src/net_builtin.c does not reject a TCP option whose declared opts[1] length exceeds the remaining option bytes. In handle_opt(), a NOP followed by a truncated MSS option causes opts[3] to be read outside the declared options area and used as the low byte of dmss. An unauthenticated remote peer can corrupt the per-connection MSS value so later mg_send() calls transmit truncated or zero-length application payloads while the TCP connection otherwise appears healthy. This issue is fixed in version 7.23.
Засегнати продукти
- cesanta mongoose: < 7.23
Вид слабост
История
- 14 октомври 2026 Публикувано
Други уязвимости в cesanta mongoose
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-73261
- https://nvd.nist.gov/vuln/detail/CVE-2026-73261
- https://github.com/cesanta/mongoose/security/advisories/GHSA-3fmr-92g4-wchx
- https://github.com/cesanta/mongoose/commit/cc7c6d2d18c28fcc6d085633dddd88402946140a
- https://github.com/cesanta/mongoose/releases/tag/7.23