Vulnerabilities / CVE-2018-7552

critical

CVE-2018-7552

There is an invalid free in Mapping::DoubleHash::clear in mapping.cpp ...

Published Modified CWE 119
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 (medium).

Description

There is an invalid free in Mapping::DoubleHash::clear in mapping.cpp that leads to a Segmentation fault in sam2p 0.49.4. A crafted input will lead to a denial of service or possibly unspecified other impact.

Affected packages and fixed versions

SourcePackageFixed in
debian 7sam2p0.49.1-1+deb7u3
debian 8sam2p0.49.2-3+deb8u2
ubuntu 14.04sam2p0.49.2-3+deb8u3build0.14.04.1
ubuntu 14.04-ESMsam2p0.49.2-3+deb8u3build0.14.04.1
ubuntu 16.04sam2p0.49.2-3+deb8u3build0.16.04.1
ubuntu 16.04-ESMsam2p0.49.2-3+deb8u3build0.16.04.1

References

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.