CVE-2026-49841
signalwire freeswitch 취약점
FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.11.1, the mod_verto HTTP request handler allocates a fixed 2 MiB buffer for a POST application/x-www-form-urlencoded body but accepts Content-Length up to just under 10 MiB. The body-read loop is bounded by Content-Length rather than the buffer size, producing an attacker-controlled heap overflow of up to ~8 MiB -- before the HTTP basic-auth check runs. This issue has been patched in version...
- 대응 우선순위
- 점검
- CVSS
- 9.8
- EPSS
- 0.39% 백분위 32.2% · 2026.07.31 기준
- CISA KEV
- 미등록
- 조치 기한
- -
- 공개일
- 2026.06.10