CVE-2023-5721

It was possible for certain browser prompts and dialogs to be activated or dismissed unintentionally by the user due to an insufficient activation-delay. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.

• CWE-1021

• https://bugzilla.mozilla.org/show_bug.cgi?id=1830820Issue Tracking, Vendor Advisory
• https://lists.debian.org/debian-lts-announce/2023/10/msg00037.htmlMailing List, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2023/10/msg00042.htmlMailing List, Third Party Advisory
• https://www.debian.org/security/2023/dsa-5535Mailing List, Third Party Advisory
• https://www.debian.org/security/2023/dsa-5538Third Party Advisory
• https://www.mozilla.org/security/advisories/mfsa2023-45/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2023-46/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2023-47/Vendor Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=1830820Issue Tracking, Vendor Advisory
• https://lists.debian.org/debian-lts-announce/2023/10/msg00037.htmlMailing List, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2023/10/msg00042.htmlMailing List, Third Party Advisory
• https://www.debian.org/security/2023/dsa-5535Mailing List, Third Party Advisory
• https://www.debian.org/security/2023/dsa-5538Third Party Advisory
• https://www.mozilla.org/security/advisories/mfsa2023-45/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2023-46/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2023-47/Vendor Advisory

Published

Oct 25, 2023

Last Modified

Jun 17, 2026

Status

Modified

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