CVE-2011-2979
Bugzilla 4.1.x before 4.1.3 generates different responses for certain assignee queries depending...
CVE-2011-2979 is a medium vulnerability (CVSS 5.0) in Mozilla Bugzilla, published August 9, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.07%, the 81st percentile. Fixed in bugzilla 3.6.2.0-4.4.
Bugzilla 4.1.x before 4.1.3 generates different responses for certain assignee queries depending on whether the group name is valid, which allows remote attackers to determine the existence of private group names via a custom search. NOTE: this vulnerability exists because of a CVE-2010-2756 regression.
Exploit likelihood
What each source reports
NVD Score used
Bugzilla 4.1.x before 4.1.3 generates different responses for certain assignee queries depending on whether the group name is valid, which allows remote attackers to determine the existence of private group names via a custom search. NOTE: this vulnerability exists because of a CVE-2010-2756 regression.
- Record
CVE-2011-2979- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Updated
- 2026-11-02
CVE List No score
Bugzilla 4.1.x before 4.1.3 generates different responses for certain assignee queries depending on whether the group name is valid, which allows remote attackers to determine the existence of private group names via a custom search. NOTE: this vulnerability exists because of a CVE-2010-2756 regression.
- Record
CVE-2011-2979- Updated
- 2026-11-02
EUVDEUVD-2011-2947 No score
Bugzilla 4.1.x before 4.1.3 generates different responses for certain assignee queries depending on whether the group name is valid, which allows remote attackers to determine the existence of private group names via a custom search. NOTE: this vulnerability exists because of a CVE-2010-2756 regression.
- Record
EUVD-2011-2947- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wchc-67vr-45p7 No score
Bugzilla 4.1.x before 4.1.3 generates different responses for certain assignee queries depending...
Bugzilla 4.1.x before 4.1.3 generates different responses for certain assignee queries depending on whether the group name is valid, which allows remote attackers to determine the existence of private group names via a custom search. NOTE: this vulnerability exists because of a CVE-2010-2756 regression.
- Record
GHSA-wchc-67vr-45p7- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
bugzillaDebian:6.0 |
before 3.6.2.0-4.4, plus listed versions 3.6.2.0-4.2 |
3.6.2.0-4.4 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, OSV |