Kamailio up to 5.5.0/6.0.7 AVP cxdx_avp.c get_4bytes out-of-bounds

Summaryinfo

A vulnerability classified as critical has been found in Kamailio up to 5.5.0/6.0.7. This impacts the function get_4bytes of the file src/modules/ims_registrar_scscf/cxdx_avp.c of the component AVP Handler. The manipulation leads to out-of-bounds. This vulnerability is traded as CVE-2026-82608. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. Applying a patch is the recommended action to fix this issue. The vendor points out, that "[v]ersion 5.5.0 is old and not maintained anymore."

Detailsinfo

A vulnerability, which was classified as critical, has been found in Kamailio up to 5.5.0/6.0.7. This issue affects the function get_4bytes of the file src/modules/ims_registrar_scscf/cxdx_avp.c of the component AVP Handler. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-82608. The exploitation is known to be easy. The attack may be initiated remotely. Technical details as well as a public exploit are known.

The exploit is available at github.com. It is declared as proof-of-concept. The vendor points out, that "[v]ersion 5.5.0 is old and not maintained anymore."

Applying the patch abb5d60af6eefbd367bf6588c5589566b090e272 is able to eliminate this problem. The bugfix is ready for download at github.com.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

• Kamailio

Version

• 5.0
• 5.1
• 5.2
• 5.3
• 5.4
• 5.5.0
• 6.0.0
• 6.0.1
• 6.0.2
• 6.0.3
• 6.0.4
• 6.0.5
• 6.0.6
• 6.0.7

License

• open-source

Website

• Product: https://github.com/kamailio/kamailio/

CPE 2.3info

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CPE 2.2info

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Submitinfo

Accepted

• Submit #892903: Kamailio 6.0.7+ Out-of-Bounds Read (by Hancl)

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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