Vendor

    Signalwire

    45 known vulnerabilities in products by Signalwire, 1 of them actively exploited (CISA KEV).

    Key figures

    45

    Vulnerabilities

    1

    Actively exploited (KEV)

    0

    Used by ransomware

    7

    Critical

    Vulnerabilities

    Actively exploited vulnerabilities (CISA KEV) first, then by priority. Click a column header to re-sort the table.

    Vulnerabilities in Signalwire
    CriticalCVE-2026-116779

    FreeSWITCH: Inbound SIP MESSAGE can select the api chat proto and run FreeSWITCH API commands

    In CISA KEValso in 1 other product

    9.8
    CriticalCVE-2022-31003

    Heap-based Buffer Overflow and Out-of-bounds Write in Sofia-SIP

    also in 3 other products

    9.1
    CriticalCVE-2023-22741

    heap-over-flow in stun_parse_attribute in sofia-sip

    also in 2 other products

    9.8
    CriticalCVE-2026-116785

    Signalwire Freeswitch: Heap-based Buffer Overflow

    9.1
    HighCVE-2021-37624

    FreeSWITCH does not authenticate SIP MESSAGE requests, leading to spam and message spoofing

    also in 1 other product

    7.5
    HighCVE-2021-41105

    FreeSWITCH susceptible to Denial of Service via invalid SRTP packets

    also in 1 other product

    7.5
    HighCVE-2022-31001

    Out-of-bounds Read in Sofia-SIP

    also in 3 other products

    7.5
    HighCVE-2026-116783

    FreeSWITCH mod_spandsp: out-of-bounds write parsing UDPTL error-recovery data

    8.2
    HighCVE-2026-115928

    FreeSWITCH: Stack buffer overflow parsing the SDP a=crypto key material on inbound calls

    7.5
    HighCVE-2021-41145

    FreeSWITCH susceptible to Denial of Service via SIP flooding

    also in 1 other product

    8.6
    HighCVE-2022-31002

    Out-of-bounds Read in Sofia-SIP

    also in 3 other products

    7.5
    HighCVE-2021-36513

    Signalwire Freeswitch: Use of Uninitialized Memory

    7.5
    HighCVE-2026-116569

    FreeSWITCH: Pre-authentication out-of-bounds write in MSRP message body parsing

    7.5
    HighCVE-2026-116786

    FreeSWITCH: Channel-variable injection via SIP REFER leads to command execution in mod_sofia

    8.8
    HighCVE-2023-51443

    FreeSWITCH susceptible to Denial of Service via DTLS Hello packets during call initiation

    also in 1 other product

    7.5
    HighCVE-2026-116570

    FreeSWITCH: Pre-authentication stack buffer overflow in mod_xml_rpc HTTP directory authentication

    7.5
    HighCVE-2026-116782

    FreeSWITCH: Pre-authentication invalid pointer dereference in mod_rtmp connect command handling

    7.5
    HighCVE-2026-116568

    FreeSWITCH: Out-of-bounds read in mod_rtmp H.264 video message parsing

    7.5
    CriticalCVE-2026-116790

    FreeSWITCH: Inbound ICE connectivity checks are accepted without verifying STUN MESSAGE-INTEGRITY

    9.1
    HighCVE-2026-116787

    Signalwire Freeswitch: Memory Allocation with Excessive Size Value

    7.5
    HighCVE-2026-116788

    FreeSWITCH: Pre-authentication heap buffer overflow in core XML empty-entity decoding

    8.2
    HighCVE-2026-116784

    FreeSWITCH: Out-of-bounds read in RTCP NACK feedback parsing

    7.5
    HighCVE-2026-116567

    FreeSWITCH: Pre-authentication stack buffer overflow in mod_rtmp control-message handling

    7.5
    HighCVE-2026-49846

    libks has path traversal in kws HTTP parser via URI segment overflow

    7.5
    CriticalCVE-2026-49841

    FreeSWITCH: Pre-authentication heap buffer overflow in `mod_verto` HTTP POST body read

    also in 1 other product

    9.8

    All vulnerabilities in search

    News

    Products

    Products by Signalwire
    Freeswitch390
    Sofia-sip50