The Flag::validate and Flag::modify functions in Bugzilla 2.17.1 to 2.18.1 and 2.19.1 to 2.19.3 do not verify that the flag ID is appropriate for the given bug or attachment ID, which allows users to change flags on arbitrary bugs and obtain a bug summary via process_bug.cgi.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Freebsd | — | Upgrade bugzillaUpgrade ja-bugzilla | Dec 10, 2025 | Jul 8, 2005 |
| Gentoo Linux | — | Upgrade www-apps/bugzilla. | Oct 30, 2017 | Jul 8, 2005 |
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