⤷ Title: FreeSWITCH Heap Buffer Overflow Bugs Expose Servers to Pre-Auth Attacks
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𐀪 Author: Do Son
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ⴵ Time: Tue, 16 Jun 2026 01:01:15 +0000
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⌗ Tags: #Vulnerability Report #CVE_2026_49840 #CVE_2026_49841 #FreeSWITCH #Heap Buffer Overflow #libesl #mod_verto
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𐀪 Author: Do Son
════════════════════════
ⴵ Time: Tue, 16 Jun 2026 01:01:15 +0000
════════════════════════
⌗ Tags: #Vulnerability Report #CVE_2026_49840 #CVE_2026_49841 #FreeSWITCH #Heap Buffer Overflow #libesl #mod_verto
Daily CyberSecurity
FreeSWITCH Heap Buffer Overflow Bugs Expose Servers to Pre-Auth Attacks
Two pre-auth FreeSWITCH heap buffer overflow bugs (CVE-2026-49841, CVE-2026-49840) hit mod_verto and libesl. Update to v1.11.1 to stay safe.