CVEDB API

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-39863

Kamailio is an open source implementation of a SIP Signaling Server. Prior to 6.1.1, 6.0.6, and 5.8.8, an out-of-bounds access in the core of Kamailio (formerly OpenSER and SER) allows remote attackers to cause a denial of service (process crash) via a specially crafted data packet sent over TCP. The issue impacts Kamailio instances having TCP or TLS listeners. This vulnerability is fixed in 5.1.1, 6.0.6, and 5.8.8.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.001

EPSS Ranking 34.1%

CVSS Severity

CVSS v3 Score 7.5

References

https://github.com/kamailio/kamailio/security/advisories/GHSA-2wj4-f825-2h2f

Products affected by CVE-2026-39863

Kamailio » Kamailio » Version: N/A

cpe:2.3:a:kamailio:kamailio:-
Kamailio » Kamailio » Version: 0.1

cpe:2.3:a:kamailio:kamailio:0.1
Kamailio » Kamailio » Version: 0.2

cpe:2.3:a:kamailio:kamailio:0.2
Kamailio » Kamailio » Version: 0.3

cpe:2.3:a:kamailio:kamailio:0.3
Kamailio » Kamailio » Version: 0.7

cpe:2.3:a:kamailio:kamailio:0.7
Kamailio » Kamailio » Version: 0.8.1

cpe:2.3:a:kamailio:kamailio:0.8.1
Kamailio » Kamailio » Version: 0.8.10

cpe:2.3:a:kamailio:kamailio:0.8.10
Kamailio » Kamailio » Version: 0.8.11

cpe:2.3:a:kamailio:kamailio:0.8.11
Kamailio » Kamailio » Version: 0.8.12

cpe:2.3:a:kamailio:kamailio:0.8.12
Kamailio » Kamailio » Version: 0.8.14

cpe:2.3:a:kamailio:kamailio:0.8.14
Kamailio » Kamailio » Version: 0.8.2

cpe:2.3:a:kamailio:kamailio:0.8.2
Kamailio » Kamailio » Version: 0.8.3

cpe:2.3:a:kamailio:kamailio:0.8.3
Kamailio » Kamailio » Version: 0.8.3.1

cpe:2.3:a:kamailio:kamailio:0.8.3.1
Kamailio » Kamailio » Version: 0.8.3.2

cpe:2.3:a:kamailio:kamailio:0.8.3.2
Kamailio » Kamailio » Version: 0.8.3.9

cpe:2.3:a:kamailio:kamailio:0.8.3.9
Kamailio » Kamailio » Version: 0.8.6-4

cpe:2.3:a:kamailio:kamailio:0.8.6-4
Kamailio » Kamailio » Version: 0.8.6-5

cpe:2.3:a:kamailio:kamailio:0.8.6-5
Kamailio » Kamailio » Version: 0.8.6-6

cpe:2.3:a:kamailio:kamailio:0.8.6-6
Kamailio » Kamailio » Version: 0.8.7-0

cpe:2.3:a:kamailio:kamailio:0.8.7-0
Kamailio » Kamailio » Version: 0.8.8

cpe:2.3:a:kamailio:kamailio:0.8.8
Kamailio » Kamailio » Version: 0.8.9

cpe:2.3:a:kamailio:kamailio:0.8.9
Kamailio » Kamailio » Version: 0.9.0

cpe:2.3:a:kamailio:kamailio:0.9.0
Kamailio » Kamailio » Version: 0.9.3

cpe:2.3:a:kamailio:kamailio:0.9.3
Kamailio » Kamailio » Version: 0.9.4

cpe:2.3:a:kamailio:kamailio:0.9.4
Kamailio » Kamailio » Version: 0.9.5

cpe:2.3:a:kamailio:kamailio:0.9.5
Kamailio » Kamailio » Version: 0.9.6

cpe:2.3:a:kamailio:kamailio:0.9.6
Kamailio » Kamailio » Version: 0.9.7

cpe:2.3:a:kamailio:kamailio:0.9.7
Kamailio » Kamailio » Version: 2.0.0

cpe:2.3:a:kamailio:kamailio:2.0.0
Kamailio » Kamailio » Version: 3.0.0

cpe:2.3:a:kamailio:kamailio:3.0.0
Kamailio » Kamailio » Version: 3.0.1

cpe:2.3:a:kamailio:kamailio:3.0.1
Kamailio » Kamailio » Version: 3.0.2

cpe:2.3:a:kamailio:kamailio:3.0.2
Kamailio » Kamailio » Version: 3.0.3

cpe:2.3:a:kamailio:kamailio:3.0.3
Kamailio » Kamailio » Version: 3.1.0

cpe:2.3:a:kamailio:kamailio:3.1.0
Kamailio » Kamailio » Version: 3.3.5

cpe:2.3:a:kamailio:kamailio:3.3.5
Kamailio » Kamailio » Version: 3.3.6

cpe:2.3:a:kamailio:kamailio:3.3.6
Kamailio » Kamailio » Version: 3.3.7

cpe:2.3:a:kamailio:kamailio:3.3.7
Kamailio » Kamailio » Version: 4.0.1-1

cpe:2.3:a:kamailio:kamailio:4.0.1-1
Kamailio » Kamailio » Version: 4.0.4

cpe:2.3:a:kamailio:kamailio:4.0.4
Kamailio » Kamailio » Version: 4.0.5

cpe:2.3:a:kamailio:kamailio:4.0.5
Kamailio » Kamailio » Version: 4.0.6

cpe:2.3:a:kamailio:kamailio:4.0.6
Kamailio » Kamailio » Version: 4.0.7

cpe:2.3:a:kamailio:kamailio:4.0.7
Kamailio » Kamailio » Version: 4.1.0

cpe:2.3:a:kamailio:kamailio:4.1.0
Kamailio » Kamailio » Version: 4.1.1

cpe:2.3:a:kamailio:kamailio:4.1.1
Kamailio » Kamailio » Version: 4.1.2

cpe:2.3:a:kamailio:kamailio:4.1.2
Kamailio » Kamailio » Version: 4.1.3

cpe:2.3:a:kamailio:kamailio:4.1.3
Kamailio » Kamailio » Version: 4.1.4

cpe:2.3:a:kamailio:kamailio:4.1.4
Kamailio » Kamailio » Version: 4.1.5

cpe:2.3:a:kamailio:kamailio:4.1.5
Kamailio » Kamailio » Version: 4.1.6

cpe:2.3:a:kamailio:kamailio:4.1.6
Kamailio » Kamailio » Version: 4.1.7

cpe:2.3:a:kamailio:kamailio:4.1.7
Kamailio » Kamailio » Version: 4.1.8

cpe:2.3:a:kamailio:kamailio:4.1.8
Kamailio » Kamailio » Version: 4.1.9

cpe:2.3:a:kamailio:kamailio:4.1.9
Kamailio » Kamailio » Version: 4.2.0

cpe:2.3:a:kamailio:kamailio:4.2.0
Kamailio » Kamailio » Version: 4.2.0-1.1

cpe:2.3:a:kamailio:kamailio:4.2.0-1.1
Kamailio » Kamailio » Version: 4.2.1

cpe:2.3:a:kamailio:kamailio:4.2.1
Kamailio » Kamailio » Version: 4.2.2

cpe:2.3:a:kamailio:kamailio:4.2.2
Kamailio » Kamailio » Version: 4.2.3

cpe:2.3:a:kamailio:kamailio:4.2.3
Kamailio » Kamailio » Version: 4.2.4

cpe:2.3:a:kamailio:kamailio:4.2.4
Kamailio » Kamailio » Version: 4.2.5

cpe:2.3:a:kamailio:kamailio:4.2.5
Kamailio » Kamailio » Version: 4.2.6

cpe:2.3:a:kamailio:kamailio:4.2.6
Kamailio » Kamailio » Version: 4.2.7

cpe:2.3:a:kamailio:kamailio:4.2.7
Kamailio » Kamailio » Version: 4.2.8

cpe:2.3:a:kamailio:kamailio:4.2.8
Kamailio » Kamailio » Version: 4.3.0

cpe:2.3:a:kamailio:kamailio:4.3.0
Kamailio » Kamailio » Version: 4.3.1

cpe:2.3:a:kamailio:kamailio:4.3.1
Kamailio » Kamailio » Version: 4.3.2

cpe:2.3:a:kamailio:kamailio:4.3.2
Kamailio » Kamailio » Version: 4.3.3

cpe:2.3:a:kamailio:kamailio:4.3.3
Kamailio » Kamailio » Version: 4.3.4

cpe:2.3:a:kamailio:kamailio:4.3.4
Kamailio » Kamailio » Version: 4.3.5

cpe:2.3:a:kamailio:kamailio:4.3.5
Kamailio » Kamailio » Version: 4.3.6

cpe:2.3:a:kamailio:kamailio:4.3.6
Kamailio » Kamailio » Version: 4.3.7

cpe:2.3:a:kamailio:kamailio:4.3.7
Kamailio » Kamailio » Version: 4.4.0

cpe:2.3:a:kamailio:kamailio:4.4.0
Kamailio » Kamailio » Version: 4.4.1

cpe:2.3:a:kamailio:kamailio:4.4.1
Kamailio » Kamailio » Version: 4.4.2

cpe:2.3:a:kamailio:kamailio:4.4.2
Kamailio » Kamailio » Version: 4.4.3

cpe:2.3:a:kamailio:kamailio:4.4.3
Kamailio » Kamailio » Version: 4.4.4

cpe:2.3:a:kamailio:kamailio:4.4.4
Kamailio » Kamailio » Version: 4.4.5

cpe:2.3:a:kamailio:kamailio:4.4.5
Kamailio » Kamailio » Version: 4.4.6

cpe:2.3:a:kamailio:kamailio:4.4.6
Kamailio » Kamailio » Version: 4.4.7

cpe:2.3:a:kamailio:kamailio:4.4.7
Kamailio » Kamailio » Version: 5.0.0

cpe:2.3:a:kamailio:kamailio:5.0.0
Kamailio » Kamailio » Version: 5.0.1

cpe:2.3:a:kamailio:kamailio:5.0.1
Kamailio » Kamailio » Version: 5.0.2

cpe:2.3:a:kamailio:kamailio:5.0.2
Kamailio » Kamailio » Version: 5.0.3

cpe:2.3:a:kamailio:kamailio:5.0.3
Kamailio » Kamailio » Version: 5.0.4

cpe:2.3:a:kamailio:kamailio:5.0.4
Kamailio » Kamailio » Version: 5.0.5

cpe:2.3:a:kamailio:kamailio:5.0.5
Kamailio » Kamailio » Version: 5.0.6

cpe:2.3:a:kamailio:kamailio:5.0.6
Kamailio » Kamailio » Version: 5.0.7

cpe:2.3:a:kamailio:kamailio:5.0.7
Kamailio » Kamailio » Version: 5.0.8

cpe:2.3:a:kamailio:kamailio:5.0.8
Kamailio » Kamailio » Version: 5.1.0

cpe:2.3:a:kamailio:kamailio:5.1.0
Kamailio » Kamailio » Version: 5.1.1

cpe:2.3:a:kamailio:kamailio:5.1.1
Kamailio » Kamailio » Version: 5.1.10

cpe:2.3:a:kamailio:kamailio:5.1.10
Kamailio » Kamailio » Version: 5.1.10.1

cpe:2.3:a:kamailio:kamailio:5.1.10.1
Kamailio » Kamailio » Version: 5.1.2

cpe:2.3:a:kamailio:kamailio:5.1.2
Kamailio » Kamailio » Version: 5.1.3

cpe:2.3:a:kamailio:kamailio:5.1.3
Kamailio » Kamailio » Version: 5.1.4

cpe:2.3:a:kamailio:kamailio:5.1.4
Kamailio » Kamailio » Version: 5.1.5

cpe:2.3:a:kamailio:kamailio:5.1.5
Kamailio » Kamailio » Version: 5.1.6

cpe:2.3:a:kamailio:kamailio:5.1.6
Kamailio » Kamailio » Version: 5.1.7

cpe:2.3:a:kamailio:kamailio:5.1.7
Kamailio » Kamailio » Version: 5.1.8

cpe:2.3:a:kamailio:kamailio:5.1.8
Kamailio » Kamailio » Version: 5.1.9

cpe:2.3:a:kamailio:kamailio:5.1.9
Kamailio » Kamailio » Version: 5.2.0

cpe:2.3:a:kamailio:kamailio:5.2.0
Kamailio » Kamailio » Version: 5.2.1

cpe:2.3:a:kamailio:kamailio:5.2.1
Kamailio » Kamailio » Version: 5.2.2

cpe:2.3:a:kamailio:kamailio:5.2.2
Kamailio » Kamailio » Version: 5.2.3

cpe:2.3:a:kamailio:kamailio:5.2.3
Kamailio » Kamailio » Version: 5.2.5

cpe:2.3:a:kamailio:kamailio:5.2.5
Kamailio » Kamailio » Version: 5.2.6

cpe:2.3:a:kamailio:kamailio:5.2.6
Kamailio » Kamailio » Version: 5.2.7

cpe:2.3:a:kamailio:kamailio:5.2.7
Kamailio » Kamailio » Version: 5.2.8

cpe:2.3:a:kamailio:kamailio:5.2.8
Kamailio » Kamailio » Version: 5.3.0

cpe:2.3:a:kamailio:kamailio:5.3.0
Kamailio » Kamailio » Version: 5.3.1

cpe:2.3:a:kamailio:kamailio:5.3.1
Kamailio » Kamailio » Version: 5.3.2

cpe:2.3:a:kamailio:kamailio:5.3.2
Kamailio » Kamailio » Version: 5.3.3

cpe:2.3:a:kamailio:kamailio:5.3.3
Kamailio » Kamailio » Version: 5.3.4

cpe:2.3:a:kamailio:kamailio:5.3.4
Kamailio » Kamailio » Version: 5.3.5

cpe:2.3:a:kamailio:kamailio:5.3.5
Kamailio » Kamailio » Version: 5.3.6

cpe:2.3:a:kamailio:kamailio:5.3.6
Kamailio » Kamailio » Version: 5.3.7

cpe:2.3:a:kamailio:kamailio:5.3.7
Kamailio » Kamailio » Version: 5.3.8

cpe:2.3:a:kamailio:kamailio:5.3.8
Kamailio » Kamailio » Version: 5.3.9

cpe:2.3:a:kamailio:kamailio:5.3.9
Kamailio » Kamailio » Version: 5.4.0

cpe:2.3:a:kamailio:kamailio:5.4.0
Kamailio » Kamailio » Version: 5.4.1

cpe:2.3:a:kamailio:kamailio:5.4.1
Kamailio » Kamailio » Version: 5.4.2

cpe:2.3:a:kamailio:kamailio:5.4.2
Kamailio » Kamailio » Version: 5.4.3

cpe:2.3:a:kamailio:kamailio:5.4.3
Kamailio » Kamailio » Version: 5.4.4

cpe:2.3:a:kamailio:kamailio:5.4.4
Kamailio » Kamailio » Version: 5.4.5

cpe:2.3:a:kamailio:kamailio:5.4.5
Kamailio » Kamailio » Version: 5.4.6

cpe:2.3:a:kamailio:kamailio:5.4.6
Kamailio » Kamailio » Version: 5.4.7

cpe:2.3:a:kamailio:kamailio:5.4.7
Kamailio » Kamailio » Version: 5.4.8

cpe:2.3:a:kamailio:kamailio:5.4.8
Kamailio » Kamailio » Version: 5.4.9

cpe:2.3:a:kamailio:kamailio:5.4.9
Kamailio » Kamailio » Version: 5.5.0

cpe:2.3:a:kamailio:kamailio:5.5.0
Kamailio » Kamailio » Version: 5.5.1

cpe:2.3:a:kamailio:kamailio:5.5.1
Kamailio » Kamailio » Version: 5.5.2

cpe:2.3:a:kamailio:kamailio:5.5.2
Kamailio » Kamailio » Version: 5.5.3

cpe:2.3:a:kamailio:kamailio:5.5.3
Kamailio » Kamailio » Version: 5.5.4

cpe:2.3:a:kamailio:kamailio:5.5.4
Kamailio » Kamailio » Version: 5.5.5

cpe:2.3:a:kamailio:kamailio:5.5.5
Kamailio » Kamailio » Version: 5.5.6

cpe:2.3:a:kamailio:kamailio:5.5.6
Kamailio » Kamailio » Version: 5.5.7

cpe:2.3:a:kamailio:kamailio:5.5.7
Kamailio » Kamailio » Version: 5.6.0

cpe:2.3:a:kamailio:kamailio:5.6.0
Kamailio » Kamailio » Version: 5.6.1

cpe:2.3:a:kamailio:kamailio:5.6.1
Kamailio » Kamailio » Version: 5.6.2

cpe:2.3:a:kamailio:kamailio:5.6.2
Kamailio » Kamailio » Version: 5.6.3

cpe:2.3:a:kamailio:kamailio:5.6.3
Kamailio » Kamailio » Version: 5.6.4

cpe:2.3:a:kamailio:kamailio:5.6.4
Kamailio » Kamailio » Version: 5.6.5

cpe:2.3:a:kamailio:kamailio:5.6.5
Kamailio » Kamailio » Version: 5.6.6

cpe:2.3:a:kamailio:kamailio:5.6.6
Kamailio » Kamailio » Version: 5.7.0

cpe:2.3:a:kamailio:kamailio:5.7.0
Kamailio » Kamailio » Version: 5.7.1

cpe:2.3:a:kamailio:kamailio:5.7.1
Kamailio » Kamailio » Version: 5.7.2

cpe:2.3:a:kamailio:kamailio:5.7.2
Kamailio » Kamailio » Version: 5.7.3

cpe:2.3:a:kamailio:kamailio:5.7.3
Kamailio » Kamailio » Version: 5.7.4

cpe:2.3:a:kamailio:kamailio:5.7.4
Kamailio » Kamailio » Version: 5.7.5

cpe:2.3:a:kamailio:kamailio:5.7.5
Kamailio » Kamailio » Version: 5.7.6

cpe:2.3:a:kamailio:kamailio:5.7.6
Kamailio » Kamailio » Version: 5.7.7

cpe:2.3:a:kamailio:kamailio:5.7.7
Kamailio » Kamailio » Version: 5.8.0

cpe:2.3:a:kamailio:kamailio:5.8.0
Kamailio » Kamailio » Version: 5.8.1

cpe:2.3:a:kamailio:kamailio:5.8.1
Kamailio » Kamailio » Version: 5.8.2

cpe:2.3:a:kamailio:kamailio:5.8.2
Kamailio » Kamailio » Version: 5.8.3

cpe:2.3:a:kamailio:kamailio:5.8.3
Kamailio » Kamailio » Version: 5.8.4

cpe:2.3:a:kamailio:kamailio:5.8.4
Kamailio » Kamailio » Version: 5.8.5

cpe:2.3:a:kamailio:kamailio:5.8.5
Kamailio » Kamailio » Version: 5.8.6

cpe:2.3:a:kamailio:kamailio:5.8.6
Kamailio » Kamailio » Version: 5.8.7

cpe:2.3:a:kamailio:kamailio:5.8.7
Kamailio » Kamailio » Version: 6.0.0

cpe:2.3:a:kamailio:kamailio:6.0.0
Kamailio » Kamailio » Version: 6.0.1

cpe:2.3:a:kamailio:kamailio:6.0.1
Kamailio » Kamailio » Version: 6.0.2

cpe:2.3:a:kamailio:kamailio:6.0.2
Kamailio » Kamailio » Version: 6.0.3

cpe:2.3:a:kamailio:kamailio:6.0.3
Kamailio » Kamailio » Version: 6.0.4

cpe:2.3:a:kamailio:kamailio:6.0.4
Kamailio » Kamailio » Version: 6.0.5

cpe:2.3:a:kamailio:kamailio:6.0.5
Kamailio » Kamailio » Version: 6.1.0

cpe:2.3:a:kamailio:kamailio:6.1.0

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-39863

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