Vulnerabilities / CVE-2021-40540

critical

CVE-2021-40540

ulfius_uri_logger in Ulfius HTTP Framework before 2.7.4 omits con_info ...

Published Modified
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:3.1/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.

Description

ulfius_uri_logger in Ulfius HTTP Framework before 2.7.4 omits con_info initialization and a con_info->request NULL check for certain malformed HTTP requests.

Affected packages and fixed versions

SourcePackageFixed in
debian 10ulfius2.5.2-4+deb10u1
debian 11ulfius2.7.1-1+deb11u1
debian 12ulfius2.7.1-2
debian 13ulfius2.7.1-2
debian 14ulfius2.7.1-2
echoulfius2.7.1-2

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.