CVE-2018-8828

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

A Buffer Overflow issue was discovered in Kamailio before 4.4.7, 5.0.x before 5.0.6, and 5.1.x before 5.1.2. A specially crafted REGISTER message with a malformed branch or From tag triggers an off-by-one heap-based buffer overflow in the tmx_check_pretran function in modules/tmx/tmx_pretran.c.

Metrics

CVSS 3.0 9.8/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-193 CWE-787

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://github.com/EnableSecurity/advisories/tree/master/ES2018-05-kamailio-heap-overflowThird Party Advisory
https://github.com/kamailio/kamailio/commit/e1d8008a09d9390ebaf698abe8909e10dfec4097Patch, Third Party Advisory
https://usn.ubuntu.com/4240-1/
https://www.debian.org/security/2018/dsa-4148Third Party Advisory
https://github.com/EnableSecurity/advisories/tree/master/ES2018-05-kamailio-heap-overflowThird Party Advisory
https://github.com/kamailio/kamailio/commit/e1d8008a09d9390ebaf698abe8909e10dfec4097Patch, Third Party Advisory
https://usn.ubuntu.com/4240-1/
https://www.debian.org/security/2018/dsa-4148Third Party Advisory

Timeline

Published: Mar 20, 2018
Last modified: Jun 17, 2026
NVD status: Modified

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