CVE-2023-29547

MEDIUM

Firefox < 112.0 - Secure Cookie Desynchronization via Insecure Cookie Creation

Title source: llm

Description

When a secure cookie existed in the Firefox cookie jar an insecure cookie for the same domain could have been created, when it should have silently failed. This could have led to a desynchronization in expected results when reading from the secure cookie. This vulnerability affects Firefox for Android < 112, Firefox < 112, and Focus for Android < 112.

References (2)

Core 2

Core References

Issue Tracking

https://bugzilla.mozilla.org/show_bug.cgi?id=1783536

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2023-13/

Scores

CVSS v3 6.5

EPSS 0.0016

EPSS Percentile 35.9%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

Status published

Products (3)

mozilla/firefox < 112.0

mozilla/firefox_esr < 102.10

mozilla/focus < 112.0

Published Jun 02, 2023

Tracked Since Feb 18, 2026