CVE-2021-33797

Buffer-overflow in jsdtoa.c in Artifex MuJS in versions 1.0.1 to 1.1.1 ...

Published 17 Apr 2023Modified 17 Jun 2026CWE 119, 190

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

Buffer-overflow in jsdtoa.c in Artifex MuJS in versions 1.0.1 to 1.1.1. An integer overflow happens when js_strtod() reads in floating point exponent, which leads to a buffer overflow in the pointer *d.

Affected packages and fixed versions

Source	Package	Fixed in
debian 11	mujs	1.1.0-1+deb11u3
debian 12	mujs	1.1.3-2
debian 13	mujs	1.1.3-2
debian 14	mujs	1.1.3-2
echo	mujs	1.1.3-2

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.