Vulnerability 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a vulnerable function, PREFIX(prologTok)(), in libs/xmlrpc-c/lib/expat/xmltok/xmltok_impl.c, which was cloned from an outdated and vulnerable version in libexpat/libexpat.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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Freeswitch | Freeswitch | < 1.11.0 |
Related Weaknesses (CWE)
References
- https://github.com/signalwire/freeswitch/releases/tag/v1.11.0Release Notes
- https://github.com/signalwire/freeswitch/security/advisories/GHSA-4jm3-xpcm-mwwqThird Party Advisory
FAQ
What is CVE-2026-49472?
CVE-2026-49472 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 ...
How severe is CVE-2026-49472?
CVE-2026-49472 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-49472?
Check the references section above for vendor advisories and patch information. Affected products include: Freeswitch Freeswitch.