CVE-2023-5168

Mozilla: Out-of-bounds write in FilterNodeD2D1

Published 27 Sep 2023Modified 17 Jun 2026CWE 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

Red Hat9.8CVSS: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 Red Hat (high).

Description

A compromised content process could have provided malicious data to `FilterNodeD2D1` resulting in an out-of-bounds write, leading to a potentially exploitable crash in a privileged process. *This bug only affects Firefox on Windows. Other operating systems are unaffected.* This vulnerability affects Firefox < 118, Firefox ESR < 115.3, and Thunderbird < 115.3.

Affected packages and fixed versions

Source	Package	Fixed in
alpine 3.18	firefox-esr	115.3.0-r0
alpine 3.19	firefox-esr	115.3.0-r0
alpine 3.20	firefox-esr	115.3.0-r0
alpine 3.21	firefox-esr	115.3.0-r0
alpine 3.22	firefox-esr	115.3.0-r0
alpine 3.23	firefox-esr	115.3.0-r0
chainguard	firefox-esr	118-r0

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.