CVE-2024-1551

MediumCVSS 6.1/10Last modified Jun 17, 2026

Description

Set-Cookie response headers were being incorrectly honored in multipart HTTP responses. If an attacker could control the Content-Type response header, as well as control part of the response body, they could inject Set-Cookie response headers that would have been honored by the browser. This vulnerability affects Firefox < 123, Firefox ESR < 115.8, and Thunderbird < 115.8.

Metrics

CVSS 3.1 6.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-565

Affected software

Vendor	Product	Versions
Mozilla	Firefox	>= unspecified, < 123
Mozilla	Firefox ESR	>= unspecified, < 115.8
Mozilla	Thunderbird	>= unspecified, < 115.8

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1864385Exploit, Issue Tracking
https://lists.debian.org/debian-lts-announce/2024/03/msg00000.htmlThird Party Advisory
https://lists.debian.org/debian-lts-announce/2024/03/msg00001.htmlThird Party Advisory
https://www.mozilla.org/security/advisories/mfsa2024-05/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-06/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-07/Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1864385Exploit, Issue Tracking
https://lists.debian.org/debian-lts-announce/2024/03/msg00000.htmlThird Party Advisory
https://lists.debian.org/debian-lts-announce/2024/03/msg00001.htmlThird Party Advisory
https://www.mozilla.org/security/advisories/mfsa2024-05/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-06/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-07/Vendor Advisory

Timeline

Published: Feb 20, 2024
Last modified: Jun 17, 2026
NVD status: Analyzed

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