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    CVE-2026-49472

    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 1.11.0, FreeSWITCH includes a vulnerable function, PREFIX(prologTok)(), in libs/xmlrpc-c/lib/expat/xmltok/xmltok_impl.c, which was cloned from an outdated and vulnerable version in libexpat/libexpat. The function did not receive the corresponding security patch. This issue has been patched in version 1.11.0.

    Published:Jun 9, 2026
    Last Modified:Jun 10, 2026
    EPS:Jun 9, 2026
    EPSS Score:0.0004
    CVSS Score:5.3

    Affected Products

    Vendor
    Freeswitch
    Product
    Freeswitch
    Vendor
    Signalwire
    Product
    Freeswitch

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-49848 (CVSS 4.3) — FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom sw…
    CVE-2026-49847 (CVSS 7.5) — FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom sw…
    CVE-2026-49843 (CVSS 5.3) — FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom sw…
    CVE-2026-49842 (CVSS 7.5) — FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom sw…
    CVE-2026-49841 (CVSS 9.8) — FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom sw…
    CVE-2026-49840 (CVSS 9.1) — FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom sw…
    CVE-2026-49475 (CVSS 7.5) — FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom sw…
    CVE-2026-45771 (CVSS 7.5) — FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom sw…
    CVE-2023-51443 (CVSS 7.5) — FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom sw…
    CVE-2023-40019 (CVSS 7.5) — FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom sw…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High