CVE-2023-4055CWE-120

CVE-2023-4055: vulnerability in Mozilla Firefox

Published 01 Aug 2023 · Updated 13 Feb 2025

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3Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackepss 0.7%

When the number of cookies per domain was exceeded in `document.cookie`, the actual cookie jar sent to the host was no longer consistent with expected cookie jar state. This could have caused requests to be sent with some cookies missing. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.

Affected products

Mozilla · Firefox Mozilla · Firefox ESR

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In the same product, most dangerous first.

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References

https://bugzilla.mozilla.org/show_bug.cgi?id=1782561 https://lists.debian.org/debian-lts-announce/2023/08/msg00008.html https://lists.debian.org/debian-lts-announce/2023/08/msg00010.html https://www.debian.org/security/2023/dsa-5464 https://www.debian.org/security/2023/dsa-5469 https://www.mozilla.org/security/advisories/mfsa2023-29/https://www.mozilla.org/security/advisories/mfsa2023-30/https://www.mozilla.org/security/advisories/mfsa2023-31/