CVE-2022-29912

Requests initiated through reader mode did not properly omit cookies with a SameSite attribute. This vulnerability affects Thunderbird < 91.9, Firefox ESR < 91.9, and Firefox < 100.

Affected

Mozilla · Thunderbird · Firefox ESR · Firefox

CVSS v3.1 NVD

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

EPSS

0.65% chance of exploitation in the next 30 days, 50th percentile

Published

2022-12-22

Updated

2025-04-15

Proof-of-concept exploits (1)

• https://bugzilla.mozilla.org/show_bug.cgi?id=1692655

Security advisories

• https://www.mozilla.org/security/advisories/mfsa2022-16
• https://www.mozilla.org/security/advisories/mfsa2022-17
• https://www.mozilla.org/security/advisories/mfsa2022-18

References

• CVE Record
• NVD entry