Firefox crash in proxy auto-configuration regexp parsing
Published Oct 29, 2009
9.3
HIGHCVSS 2.0
EPSS 3.98%
Description
Mozilla Firefox before 3.0.15 and 3.5.x before 3.5.4, and SeaMonkey before 2.0, allows remote attackers to execute arbitrary code via a crafted regular expression in a Proxy Auto-configuration (PAC) file.
Affected products
No data.
- 3.0
- 3.0.1
- 3.0.2
- 3.0.3
- 3.0.4
- 3.0.5
- 3.0.6
- 3.0.7
- 3.0.8
- 3.0.9
- 3.0.10
- 3.0.11
- 3.0.12
- 3.0.13
- 3.5.1
- 3.5.2
- 3.5.3
- ≤ 1.5.0.10
- 1.0
- 1.0
- 1.0
- 1.0.1
- 1.0.2
- 1.0.3
- 1.0.4
- 1.0.5
- 1.0.6
- 1.0.7
- 1.0.8
- 1.0.9
- 1.1
- 1.1
- 1.1
- 1.1.1
- 1.1.2
- 1.1.3
- 1.1.4
- 1.1.5
- 1.1.6
- 1.1.7
- 1.1.8
- 1.1.9
- 1.1.10
- 1.1.11
- 1.1.12
- 1.1.13
- 1.1.14
- 1.1.15
- 1.1.16
- 1.1.17
- 1.5.0.8
- 1.5.0.9
No data.
Red Hat Enterprise Linux 4
firefox-0:3.0.15-3.el4
Fixed · RHSA-2009:1530
Red Hat Enterprise Linux 4
nspr-0:4.7.6-1.el4_8
Fixed · RHSA-2009:1530
Red Hat Enterprise Linux 5
firefox-0:3.0.15-3.el5_4
Fixed · RHSA-2009:1530
Red Hat Enterprise Linux 5
nspr-0:4.7.6-1.el5_4
Fixed · RHSA-2009:1530
Red Hat Enterprise Linux 5
xulrunner-0:1.9.0.15-3.el5_4
Fixed · RHSA-2009:1530
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | firefox-0:3.0.15-3.el4 | Fixed | RHSA-2009:1530 |
| Red Hat Enterprise Linux 4 | nspr-0:4.7.6-1.el4_8 | Fixed | RHSA-2009:1530 |
| Red Hat Enterprise Linux 5 | firefox-0:3.0.15-3.el5_4 | Fixed | RHSA-2009:1530 |
| Red Hat Enterprise Linux 5 | nspr-0:4.7.6-1.el5_4 | Fixed | RHSA-2009:1530 |
| Red Hat Enterprise Linux 5 | xulrunner-0:1.9.0.15-3.el5_4 | Fixed | RHSA-2009:1530 |
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:M/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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.98% (0.03985) | 90.18th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.98% (0.03985) | 89.12th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.98% (0.01985) | 81.98th | v4 (v2025.03.14) |
| Mar 29, 2025 | 8.64% (0.08644) | 87.19th | v4 (v2025.03.14) |
| Mar 22, 2025 | 1.98% (0.01985) | 82.08th | v4 (v2025.03.14) |
| Mar 17, 2025 | 3.19% (0.03192) | 86.13th | v4 (v2025.03.14) |
| Dec 12, 2024 | 8.21% (0.08209) | 94.62th | v3 (v2023.03.01) |
| Mar 7, 2023 | 8.21% (0.08209) | 93.30th | v3 (v2023.03.01) |
| Mar 6, 2023 | 7.52% (0.07525) | 92.75th | v2 (v2022.01.01) |
| Apr 1, 2022 | 7.52% (0.07525) | 92.03th | v2 (v2022.01.01) |
| Feb 4, 2022 | 7.52% (0.07525) | 80.97th | v2 (v2022.01.01) |
No CWE recorded.
References (11)
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-272909-1 vendor-advisoryx_refsource_SUNALERT
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:294 vendor-advisoryx_refsource_MANDRIVA
- http://www.mozilla.org/security/announce/2009/mfsa2009-55.html x_refsource_CONFIRMPatchVendor Advisory
- http://www.vupen.com/english/advisories/2009/3334 vdb-entryx_refsource_VUPEN
- https://access.redhat.com/security/cve/CVE-2009-3372 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=500644 x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=530155 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2009-3372
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10977 vdb-entrysignaturex_refsource_OVAL
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6347 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2009-3372
| Link | Providers | Tags |
|---|---|---|
| http://sunsolve.sun.com/search/document.do?assetkey=1-26-272909-1 | vendor-advisoryx_refsource_SUNALERT | |
| http://www.mandriva.com/security/advisories?name=MDVSA-2009:294 | vendor-advisoryx_refsource_MANDRIVA | |
| http://www.mozilla.org/security/announce/2009/mfsa2009-55.html | x_refsource_CONFIRMPatchVendor Advisory | |
| http://www.vupen.com/english/advisories/2009/3334 | vdb-entryx_refsource_VUPEN | |
| https://access.redhat.com/security/cve/CVE-2009-3372 | Vendor Advisory | |
| https://bugzilla.mozilla.org/show_bug.cgi?id=500644 | x_refsource_CONFIRM | |
| https://bugzilla.redhat.com/show_bug.cgi?id=530155 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2009-3372 | ||
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10977 | vdb-entrysignaturex_refsource_OVAL | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6347 | vdb-entrysignaturex_refsource_OVAL | |
| https://www.cve.org/CVERecord?id=CVE-2009-3372 |
Change history (0)
No recorded changes yet.