MEDIUMCVSS 5.4

CVE-2026-117933

CVE-2026-117933 updated by NVD

Modified: 2026-11-07
Sources: nvd

Summary

Frame poisoning in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

References

https://nvd.nist.gov/vuln/detail/CVE-2026-117933

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

CVE® is a registered trademark of The MITRE Corporation. CVE content reproduced under the CVE Terms of Use; copyright designation © MITRE.