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Vulnerabilities / CVE-2023-5731

critical

CVE-2023-5731

Memory safety bugs present in Firefox 118. Some of these bugs sho ...

Published Modified CWE 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:3.1/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. Rated lower by Ubuntu (medium).

Description

Memory safety bugs present in Firefox 118. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 119.

Affected packages and fixed versions

SourcePackageFixed in
alpine 3.18firefox119.0-r0
alpine 3.19firefox119.0-r0
alpine 3.20firefox119.0-r0
alpine 3.21firefox119.0-r0
alpine 3.22firefox, librewolf119.0-r0
alpine 3.23firefox, librewolf119.0-r0
alpine 3.24librewolf119.0-r0
alpine edgelibrewolf119.0-r0
chainguardfirefox-esr119.0-r0
rapidfort ubuntu 20.04thunderbird1:140.7.1+build1-0ubuntu0.22.04.1
rapidfort ubuntu 22.04thunderbird1:140.7.1+build1-0ubuntu0.22.04.1
rapidfort ubuntu 24.04thunderbird1:140.7.1+build1-0ubuntu0.22.04.1
Show all 15 entries from 13 sources
SourcePackageFixed in
alpine 3.18firefox119.0-r0
alpine 3.19firefox119.0-r0
alpine 3.20firefox119.0-r0
alpine 3.21firefox119.0-r0
alpine 3.22firefox119.0-r0
alpine 3.22librewolf119.0-r0
alpine 3.23firefox119.0-r0
alpine 3.23librewolf119.0-r0
alpine 3.24librewolf119.0-r0
alpine edgelibrewolf119.0-r0
chainguardfirefox-esr119.0-r0
rapidfort ubuntu 20.04thunderbird1:140.7.1+build1-0ubuntu0.22.04.1
rapidfort ubuntu 22.04thunderbird1:140.7.1+build1-0ubuntu0.22.04.1
rapidfort ubuntu 24.04thunderbird1:140.7.1+build1-0ubuntu0.22.04.1
ubuntu 20.04firefox119.0+build2-0ubuntu0.20.04.1

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.