Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion') Affecting freeswitch package, versions [,1.11.0)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-FREESWITCH-17391826
- published21 Jun 2026
- disclosed9 Jun 2026
- creditoocsharp
Introduced: 9 Jun 2026
CVE-2026-45771 (opens in a new tab)How to fix?
Upgrade freeswitch to version 1.11.0 or higher.
Overview
Affected versions of this package are vulnerable to Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion') via the XML parser when processing the PIDF body of SIP PUBLISH requests. An attacker can cause unbounded CPU and memory consumption by submitting a specially crafted request containing deeply nested <!ENTITY> declarations.