CVE-2019-10053

An issue was discovered in Suricata 4.1.x before 4.1.4. If the input o ...

Published 13 May 2019Modified 17 Jun 2026CWE 125, 191

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

An issue was discovered in Suricata 4.1.x before 4.1.4. If the input of the function SSHParseBanner is composed only of a \n character, then the program runs into a heap-based buffer over-read. This occurs because the erroneous search for \r results in an integer underflow.

Affected packages and fixed versions

Source	Package	Fixed in
debian 10	suricata	no fix listed
debian 11	suricata	1:4.1.4-1
debian 13	suricata	1:4.1.4-1
debian 14	suricata	1:4.1.4-1
debian 8	suricata	no fix listed
debian 9	suricata	no fix listed
echo	suricata	1:4.1.4-1
ubuntu 18.04-ESM	suricata	no fix listed

References

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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.