Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

CVE-2026-45771

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's bundled XML parser expands nested <!ENTITY> declarations without a depth or count bound, so a small DTD can describe a body that expands exponentially ("billion laughs"). The PIDF body of a SIP PUBLISH is fed to this parser before any digest check, letting an unauthenticated net
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:dcda7e897da15267b2e43714d4c60cd033ca69e76f242a0d1fc52effff5c02c1
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"freeswitch","vendor":"signalwire","versions":[{"status":"affected","version":"< 1.11.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:eaace478ba899e6dff8f278fcd4ef7f5b5fafe34061d8ac0ef057444273d85fb · sha256:602ecaac538f91ca… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:eaace478ba899e6dff8f278fcd4ef7f5b5fafe34061d8ac0ef057444273d85fb · sha256:602ecaac538f91ca… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-776","description":"CWE-776: Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:eaace478ba899e6dff8f278fcd4ef7f5b5fafe34061d8ac0ef057444273d85fb · sha256:602ecaac538f91ca… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/signalwire/freeswitch/releases/tag/v1.11.0","tags":["x_refsource_MISC"],"url":"https://github.com/signalwire/freeswitch/releases/tag/v1.11.0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:eaace478ba899e6dff8f278fcd4ef7f5b5fafe34061d8ac0ef057444273d85fb · sha256:602ecaac538f91ca… · /containers/cna/references/1
{"name":"https://github.com/signalwire/freeswitch/security/advisories/GHSA-5vjg-pv56-vg4c","tags":["x_refsource_CONFIRM"],"url":"https://github.com/signalwire/freeswitch/security/advisories/GHSA-5vjg-pv56-vg4c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:eaace478ba899e6dff8f278fcd4ef7f5b5fafe34061d8ac0ef057444273d85fb · sha256:602ecaac538f91ca… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

← Back to CVE Explorer