Mozilla: Integer underflow when using JavaScript RegExp (MFSA 2011-37)
Published Sep 30, 2011
10.0
HIGHCVSS 2.0
EPSS 5.37%
Description
Integer underflow in Mozilla Firefox 3.6.x before 3.6.23 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via JavaScript code containing a large RegExp expression.
Affected products
No data.
- 3.6
- 3.6.2
- 3.6.3
- 3.6.4
- 3.6.6
- 3.6.7
- 3.6.8
- 3.6.9
- 3.6.10
- 3.6.11
- 3.6.12
- 3.6.13
- 3.6.14
- 3.6.15
- 3.6.16
- 3.6.17
- 3.6.18
- 3.6.19
- 3.6.20
- 3.6.21
- 3.6.22
No data.
Red Hat Enterprise Linux 4
firefox-0:3.6.23-1.el4
Fixed · RHSA-2011:1341
Red Hat Enterprise Linux 4
seamonkey-0:1.0.9-76.el4
Fixed · RHSA-2011:1344
Red Hat Enterprise Linux 4
thunderbird-0:1.5.0.12-44.el4
Fixed · RHSA-2011:1343
Red Hat Enterprise Linux 5
firefox-0:3.6.23-2.el5_7
Fixed · RHSA-2011:1341
Red Hat Enterprise Linux 5
thunderbird-0:2.0.0.24-26.el5_7
Fixed · RHSA-2011:1343
Red Hat Enterprise Linux 5
xulrunner-0:1.9.2.23-1.el5_7
Fixed · RHSA-2011:1341
Red Hat Enterprise Linux 6
firefox-0:3.6.23-2.el6_1
Fixed · RHSA-2011:1341
Red Hat Enterprise Linux 6
thunderbird-0:3.1.15-1.el6_1
Fixed · RHSA-2011:1342
Red Hat Enterprise Linux 6
xulrunner-0:1.9.2.23-1.el6_1.1
Fixed · RHSA-2011:1341
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | firefox-0:3.6.23-1.el4 | Fixed | RHSA-2011:1341 |
| Red Hat Enterprise Linux 4 | seamonkey-0:1.0.9-76.el4 | Fixed | RHSA-2011:1344 |
| Red Hat Enterprise Linux 4 | thunderbird-0:1.5.0.12-44.el4 | Fixed | RHSA-2011:1343 |
| Red Hat Enterprise Linux 5 | firefox-0:3.6.23-2.el5_7 | Fixed | RHSA-2011:1341 |
| Red Hat Enterprise Linux 5 | thunderbird-0:2.0.0.24-26.el5_7 | Fixed | RHSA-2011:1343 |
| Red Hat Enterprise Linux 5 | xulrunner-0:1.9.2.23-1.el5_7 | Fixed | RHSA-2011:1341 |
| Red Hat Enterprise Linux 6 | firefox-0:3.6.23-2.el6_1 | Fixed | RHSA-2011:1341 |
| Red Hat Enterprise Linux 6 | thunderbird-0:3.1.15-1.el6_1 | Fixed | RHSA-2011:1342 |
| Red Hat Enterprise Linux 6 | xulrunner-0:1.9.2.23-1.el6_1.1 | Fixed | RHSA-2011:1341 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 5.37% (0.05368) | 92.40th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.37% (0.05368) | 91.59th | v5 (v2026.06.15) |
| Mar 30, 2025 | 2.77% (0.02766) | 84.75th | v4 (v2025.03.14) |
| Mar 29, 2025 | 11.61% (0.11611) | 89.38th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.45% (0.02449) | 84.10th | v4 (v2025.03.14) |
| Dec 12, 2024 | 10.63% (0.10630) | 95.31th | v3 (v2023.03.01) |
| May 20, 2024 | 10.63% (0.10630) | 95.03th | v3 (v2023.03.01) |
| Mar 30, 2024 | 8.23% (0.08231) | 94.23th | v3 (v2023.03.01) |
| Oct 19, 2023 | 8.36% (0.08364) | 93.67th | v3 (v2023.03.01) |
| Mar 7, 2023 | 6.17% (0.06170) | 92.38th | v3 (v2023.03.01) |
| Mar 6, 2023 | 7.54% (0.07544) | 92.83th | v2 (v2022.01.01) |
| Apr 1, 2022 | 7.54% (0.07544) | 92.13th | v2 (v2022.01.01) |
| Feb 4, 2022 | 7.54% (0.07544) | 81.06th | v2 (v2022.01.01) |
References (15)
- http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00020.html vendor-advisoryx_refsource_SUSE
- http://www.debian.org/security/2011/dsa-2312 vendor-advisoryx_refsource_DEBIAN
- http://www.debian.org/security/2011/dsa-2313 vendor-advisoryx_refsource_DEBIAN
- http://www.debian.org/security/2011/dsa-2317 vendor-advisoryx_refsource_DEBIAN
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:139 vendor-advisoryx_refsource_MANDRIVA
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:140 vendor-advisoryx_refsource_MANDRIVA
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:141 vendor-advisoryx_refsource_MANDRIVA
- http://www.mozilla.org/security/announce/2011/mfsa2011-37.html x_refsource_CONFIRMVendor Advisory
- http://www.redhat.com/support/errata/RHSA-2011-1341.html vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2011-2998 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=684815 x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=741924 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2011-2998
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14012 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2011-2998
Change history (0)
No recorded changes yet.