Medium severity5.3NVD Advisory· Published Jun 9, 2026· Updated Jun 10, 2026
CVE-2026-49472
CVE-2026-49472
Description
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a vulnerable function, PREFIX(prologTok)(), in libs/xmlrpc-c/lib/expat/xmltok/xmltok_impl.c, which was cloned from an outdated and vulnerable version in libexpat/libexpat.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.
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Affected products
2cpe:2.3:a:freeswitch:freeswitch:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:freeswitch:freeswitch:*:*:*:*:*:*:*:*range: <1.11.0
- (no CPE)range: <1.11.0
Patches
Vulnerability mechanics
References
2- github.com/signalwire/freeswitch/security/advisories/GHSA-4jm3-xpcm-mwwqnvdThird Party Advisory
- github.com/signalwire/freeswitch/releases/tag/v1.11.0nvdRelease Notes
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