CVE-2018-8828

A Buffer Overflow issue was discovered in Kamailio before 4.4.7, 5.0.x ...

Published 20 Mar 2018Modified 17 Jun 2026CWE 193, 787

In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by Ubuntu (high).

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.

Affected packages and fixed versions

Source	Package	Fixed in
alpine 3.4	kamailio	4.4.0-r2
alpine 3.5	kamailio	4.4.5-r1
alpine 3.6	kamailio	5.0.2-r2
debian 11	kamailio	5.1.2-1
debian 12	kamailio	5.1.2-1
debian 13	kamailio	5.1.2-1
debian 14	kamailio	5.1.2-1
debian 8	kamailio	4.2.0-2+deb8u3
debian 9	kamailio	4.4.4-2+deb9u1
echo	kamailio	5.1.2-1
ubuntu 16.04	kamailio	4.3.4-1.1ubuntu2.1
ubuntu 16.04-ESM	kamailio	4.3.4-1.1ubuntu2.1

References

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FindsEvery admitted image is rescanned every 24 hours by default (scan.rescanInterval). When Trivy rates this vulnerability critical for the image's package source, it appears in the image's findings by name. Findings without a fix are left out unless includeUnfixed is on.
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RefusesWith a policy that blocks critical findings, a pod with this image is refused at admission, a rollback to it included. Pods already running are not evicted.
RecordsEach decision is recorded with the policy that ran and its hash, then sealed under a signed checkpoint.

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Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.