NIXPKGS-2026-1898
GitHub issue
published 7 hours ago
FreeSWITCH: security issues below 1.11.1
Permalink
CVE-2026-49847
7.5 HIGH
- CVSS version (CVSS): 3.1
- Attack Vector (AV): Network (N)
- Attack Complexity (AC): Low (L)
- Privileges Required (PR): None (N)
- User Interaction (UI): None (N)
- Scope (S): Unchanged (U)
- Confidentiality (C): None (N)
- Integrity (I): None (N)
- Availability (A): High (H)
- Modified Attack Vector (MAV): Network (N)
- Modified Attack Complexity (MAC): Low (L)
- Modified Privileges Required (MPR): None (N)
- Modified User Interaction (MUI): None (N)
- Modified Confidentiality (MC): None (N)
- Modified Scope (MS): Unchanged (U)
- Modified Integrity (MI): None (N)
- Modified Availability (MA): High (H)
by @LeSuisse Activity log
- Created suggestion
- @LeSuisse accepted
- @LeSuisse published on GitHub
FreeSWITCH: Stack overflow in bundled cJSON parser via deeply nested JSON
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https://github.com/signalwire/freeswitch/security/advisories/GHSA-2v74-pcgh-75wg x_refsource_CONFIRM
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https://github.com/signalwire/freeswitch/releases/tag/v1.11.1 x_refsource_MISC
freeswitch
- ==< 1.11.1
Permalink
CVE-2026-49472
5.3 MEDIUM
- CVSS version (CVSS): 3.1
- Attack Vector (AV): Network (N)
- Attack Complexity (AC): High (H)
- Privileges Required (PR): Low (L)
- User Interaction (UI): None (N)
- Scope (S): Unchanged (U)
- Confidentiality (C): None (N)
- Integrity (I): None (N)
- Availability (A): High (H)
- Modified Attack Vector (MAV): Network (N)
- Modified Attack Complexity (MAC): High (H)
- Modified Privileges Required (MPR): Low (L)
- Modified User Interaction (MUI): None (N)
- Modified Confidentiality (MC): None (N)
- Modified Scope (MS): Unchanged (U)
- Modified Integrity (MI): None (N)
- Modified Availability (MA): High (H)
by @LeSuisse Activity log
- Created suggestion
- @LeSuisse accepted
- @LeSuisse published on GitHub
FreeSWITCH includes a vulnerable function, PREFIX(prologTok)() from libexpat
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https://github.com/signalwire/freeswitch/security/advisories/GHSA-4jm3-xpcm-mwwq x_refsource_CONFIRM
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https://github.com/signalwire/freeswitch/releases/tag/v1.11.0 x_refsource_MISC
freeswitch
- ==< 1.11.0
Permalink
CVE-2026-49841
9.8 CRITICAL
- CVSS version (CVSS): 3.1
- Attack Vector (AV): Network (N)
- Attack Complexity (AC): Low (L)
- Privileges Required (PR): None (N)
- User Interaction (UI): None (N)
- Scope (S): Unchanged (U)
- Confidentiality (C): High (H)
- Integrity (I): High (H)
- Availability (A): High (H)
- Modified Attack Vector (MAV): Network (N)
- Modified Attack Complexity (MAC): Low (L)
- Modified Privileges Required (MPR): None (N)
- Modified User Interaction (MUI): None (N)
- Modified Confidentiality (MC): High (H)
- Modified Scope (MS): Unchanged (U)
- Modified Integrity (MI): High (H)
- Modified Availability (MA): High (H)
by @LeSuisse Activity log
- Created suggestion
- @LeSuisse accepted
- @LeSuisse published on GitHub
FreeSWITCH: Pre-authentication heap buffer overflow in `mod_verto` HTTP POST body read
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https://github.com/signalwire/freeswitch/security/advisories/GHSA-wfrq-qvg2-f88f x_refsource_CONFIRM
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https://github.com/signalwire/freeswitch/releases/tag/v1.11.1 x_refsource_MISC
freeswitch
- ==< 1.11.1
Permalink
CVE-2026-49843
5.3 MEDIUM
- CVSS version (CVSS): 3.1
- Attack Vector (AV): Network (N)
- Attack Complexity (AC): Low (L)
- Privileges Required (PR): None (N)
- User Interaction (UI): None (N)
- Scope (S): Unchanged (U)
- Confidentiality (C): None (N)
- Integrity (I): None (N)
- Availability (A): Low (L)
- Modified Attack Vector (MAV): Network (N)
- Modified Attack Complexity (MAC): Low (L)
- Modified Privileges Required (MPR): None (N)
- Modified User Interaction (MUI): None (N)
- Modified Confidentiality (MC): None (N)
- Modified Scope (MS): Unchanged (U)
- Modified Integrity (MI): None (N)
- Modified Availability (MA): Low (L)
by @LeSuisse Activity log
- Created suggestion
- @LeSuisse accepted
- @LeSuisse published on GitHub
FreeSWITCH: Pre-authentication session eviction via attacker-chosen `sessid` in `mod_verto`
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https://github.com/signalwire/freeswitch/security/advisories/GHSA-9457-fxr9-x78m x_refsource_CONFIRM
-
https://github.com/signalwire/freeswitch/releases/tag/v1.11.1 x_refsource_MISC
freeswitch
- ==< 1.11.1
Permalink
CVE-2026-49848
4.3 MEDIUM
- CVSS version (CVSS): 3.1
- Attack Vector (AV): Network (N)
- Attack Complexity (AC): Low (L)
- Privileges Required (PR): Low (L)
- User Interaction (UI): None (N)
- Scope (S): Unchanged (U)
- Confidentiality (C): None (N)
- Integrity (I): Low (L)
- Availability (A): None (N)
- Modified Attack Vector (MAV): Network (N)
- Modified Attack Complexity (MAC): Low (L)
- Modified Privileges Required (MPR): Low (L)
- Modified User Interaction (MUI): None (N)
- Modified Confidentiality (MC): None (N)
- Modified Scope (MS): Unchanged (U)
- Modified Integrity (MI): Low (L)
- Modified Availability (MA): None (N)
by @LeSuisse Activity log
- Created suggestion
- @LeSuisse accepted
- @LeSuisse published on GitHub
FreeSWITCH: Pre-authentication `userVariables` injection in `mod_verto`
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https://github.com/signalwire/freeswitch/security/advisories/GHSA-j38x-xm7f-9p2f x_refsource_CONFIRM
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https://github.com/signalwire/freeswitch/releases/tag/v1.11.1 x_refsource_MISC
freeswitch
- ==< 1.11.1
Permalink
CVE-2026-49475
7.5 HIGH
- CVSS version (CVSS): 3.1
- Attack Vector (AV): Network (N)
- Attack Complexity (AC): Low (L)
- Privileges Required (PR): None (N)
- User Interaction (UI): None (N)
- Scope (S): Unchanged (U)
- Confidentiality (C): None (N)
- Integrity (I): None (N)
- Availability (A): High (H)
- Modified Attack Vector (MAV): Network (N)
- Modified Attack Complexity (MAC): Low (L)
- Modified Privileges Required (MPR): None (N)
- Modified User Interaction (MUI): None (N)
- Modified Confidentiality (MC): None (N)
- Modified Scope (MS): Unchanged (U)
- Modified Integrity (MI): None (N)
- Modified Availability (MA): High (H)
by @LeSuisse Activity log
- Created suggestion
- @LeSuisse accepted
- @LeSuisse published on GitHub
FreeSWITCH: Out-of-bounds memory access in core STUN attribute parsing
-
https://github.com/signalwire/freeswitch/security/advisories/GHSA-9j6h-hc95-q926 x_refsource_CONFIRM
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https://github.com/signalwire/freeswitch/releases/tag/v1.11.0 x_refsource_MISC
freeswitch
- ==< 1.11.0
Permalink
CVE-2026-49840
9.1 CRITICAL
- CVSS version (CVSS): 3.1
- Attack Vector (AV): Network (N)
- Attack Complexity (AC): Low (L)
- Privileges Required (PR): None (N)
- User Interaction (UI): None (N)
- Scope (S): Unchanged (U)
- Confidentiality (C): None (N)
- Integrity (I): High (H)
- Availability (A): High (H)
- Modified Attack Vector (MAV): Network (N)
- Modified Attack Complexity (MAC): Low (L)
- Modified Privileges Required (MPR): None (N)
- Modified User Interaction (MUI): None (N)
- Modified Confidentiality (MC): None (N)
- Modified Scope (MS): Unchanged (U)
- Modified Integrity (MI): High (H)
- Modified Availability (MA): High (H)
by @LeSuisse Activity log
- Created suggestion
- @LeSuisse accepted
- @LeSuisse published on GitHub
FreeSWITCH: Pre-authentication heap buffer overflow in libesl `Content-Length` parsing
-
https://github.com/signalwire/freeswitch/security/advisories/GHSA-g597-9fgg-ghg9 x_refsource_CONFIRM
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https://github.com/signalwire/freeswitch/releases/tag/v1.11.1 x_refsource_MISC
freeswitch
- ==< 1.11.1
Permalink
CVE-2026-49842
7.5 HIGH
- CVSS version (CVSS): 3.1
- Attack Vector (AV): Network (N)
- Attack Complexity (AC): Low (L)
- Privileges Required (PR): None (N)
- User Interaction (UI): None (N)
- Scope (S): Unchanged (U)
- Confidentiality (C): None (N)
- Integrity (I): None (N)
- Availability (A): High (H)
- Modified Attack Vector (MAV): Network (N)
- Modified Attack Complexity (MAC): Low (L)
- Modified Privileges Required (MPR): None (N)
- Modified User Interaction (MUI): None (N)
- Modified Confidentiality (MC): None (N)
- Modified Scope (MS): Unchanged (U)
- Modified Integrity (MI): None (N)
- Modified Availability (MA): High (H)
by @LeSuisse Activity log
- Created suggestion
- @LeSuisse accepted
- @LeSuisse published on GitHub
FreeSWITCH: Pre-authentication bandwidth amplification via `mod_verto` speed-test frames
-
https://github.com/signalwire/freeswitch/security/advisories/GHSA-p3gx-p2w7-wp35 x_refsource_CONFIRM
-
https://github.com/signalwire/freeswitch/releases/tag/v1.11.1 x_refsource_MISC
freeswitch
- ==< 1.11.1