What’s Vulnerable › Vulnerabilities

CVE-2026-82608: Kamailio AVP cxdx_avp.c get_4bytes out-of-bounds

• Severity: high (CVSS 7.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-31 · updated 2026-08-31
• Weakness: CWE-119

Description

A vulnerability was determined in Kamailio up to 5.5.0/6.0.7. This affects the function get_4bytes of the file src/modules/ims_registrar_scscf/cxdx_avp.c of the component AVP Handler. Executing a manipulation can lead to out-of-bounds read. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized. This patch is called abb5d60af6eefbd367bf6588c5589566b090e272. It is advisable to implement a patch to correct this issue. The vendor points out, that "[v]ersion 5.5.0 is old and not maintained anymore."

Affected products

• Kamailio: 5.0, 5.1, 5.2, 5.3, 5.4, 5.5.0 (+8)

References

• https://github.com/Kamailio/Kamailio/commit/abb5d60af6eefbd367bf6588c5589566b090e272
• https://github.com/Kamailio/Kamailio/pull/4823
• https://github.com/kamailio/kamailio/
• https://github.com/kamailio/kamailio/issues/4816
• https://vuldb.com/cve/CVE-2026-82608
• https://vuldb.com/submit/892903
• https://vuldb.com/vuln/397109
• https://vuldb.com/vuln/397109/cti

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