nss regexp heap overflow
Published Aug 3, 2009
9.3
HIGHCVSS 2.0
EPSS 4.15%
Description
Heap-based buffer overflow in a regular-expression parser in Mozilla Network Security Services (NSS) before 3.12.3, as used in Firefox, Thunderbird, SeaMonkey, Evolution, Pidgin, and AOL Instant Messenger (AIM), allows remote SSL servers to cause a denial of service (application crash) or possibly execute arbitrary code via a long domain name in the subject's Common Name (CN) field of an X.509 certificate, related to the cert_TestHostName function.
Affected products
No data.
- 3.12.3
No data.
Red Hat Enterprise Linux 3
seamonkey-0:1.0.9-0.41.el3
Fixed · RHSA-2009:1185
Red Hat Enterprise Linux 4
nspr-0:4.7.4-1.el4_8.1
Fixed · RHSA-2009:1184
Red Hat Enterprise Linux 4
nss-0:3.12.3.99.3-1.el4_8.2
Fixed · RHSA-2009:1184
Red Hat Enterprise Linux 4.7 Z Stream
nspr-0:4.7.4-1.el4_7.1
Fixed · RHSA-2009:1190
Red Hat Enterprise Linux 4.7 Z Stream
nss-0:3.12.3.99.3-1.el4_7.6
Fixed · RHSA-2009:1190
Red Hat Enterprise Linux 5
nspr-0:4.7.4-1.el5_3.1
Fixed · RHSA-2009:1186
Red Hat Enterprise Linux 5
nss-0:3.12.3.99.3-1.el5_3.2
Fixed · RHSA-2009:1186
Red Hat Enterprise Linux 5.2 Z Stream
nspr-0:4.7.4-1.el5_2
Fixed · RHSA-2009:1207
Red Hat Enterprise Linux 5.2 Z Stream
nss-0:3.12.3.99.3-1.el5_2
Fixed · RHSA-2009:1207
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 3 | seamonkey-0:1.0.9-0.41.el3 | Fixed | RHSA-2009:1185 |
| Red Hat Enterprise Linux 4 | nspr-0:4.7.4-1.el4_8.1 | Fixed | RHSA-2009:1184 |
| Red Hat Enterprise Linux 4 | nss-0:3.12.3.99.3-1.el4_8.2 | Fixed | RHSA-2009:1184 |
| Red Hat Enterprise Linux 4.7 Z Stream | nspr-0:4.7.4-1.el4_7.1 | Fixed | RHSA-2009:1190 |
| Red Hat Enterprise Linux 4.7 Z Stream | nss-0:3.12.3.99.3-1.el4_7.6 | Fixed | RHSA-2009:1190 |
| Red Hat Enterprise Linux 5 | nspr-0:4.7.4-1.el5_3.1 | Fixed | RHSA-2009:1186 |
| Red Hat Enterprise Linux 5 | nss-0:3.12.3.99.3-1.el5_3.2 | Fixed | RHSA-2009:1186 |
| Red Hat Enterprise Linux 5.2 Z Stream | nspr-0:4.7.4-1.el5_2 | Fixed | RHSA-2009:1207 |
| Red Hat Enterprise Linux 5.2 Z Stream | nss-0:3.12.3.99.3-1.el5_2 | Fixed | RHSA-2009:1207 |
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 2, 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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 4.15% (0.04155) | 90.56th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.15% (0.04155) | 89.52th | v5 (v2026.06.15) |
| Mar 17, 2025 | 21.02% (0.21024) | 95.17th | v4 (v2025.03.14) |
| Dec 17, 2024 | 38.02% (0.38016) | 97.23th | v3 (v2023.03.01) |
| Dec 21, 2023 | 60.45% (0.60445) | 97.47th | v3 (v2023.03.01) |
| Sep 21, 2023 | 63.42% (0.63421) | 97.43th | v3 (v2023.03.01) |
| Mar 7, 2023 | 60.46% (0.60461) | 97.17th | v3 (v2023.03.01) |
| Mar 6, 2023 | 4.23% (0.04229) | 87.47th | v2 (v2022.01.01) |
| Feb 13, 2023 | 4.23% (0.04229) | 87.08th | v2 (v2022.01.01) |
| Feb 3, 2023 | 2.69% (0.02686) | 82.44th | v2 (v2022.01.01) |
| Apr 1, 2022 | 4.23% (0.04229) | 86.19th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.23% (0.04229) | 69.94th | v2 (v2022.01.01) |
References (31)
- http://rhn.redhat.com/errata/RHSA-2009-1185.html vendor-advisoryx_refsource_REDHAT
- http://secunia.com/advisories/36088 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/36102 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/36125 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/36139 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/36157 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/36434 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/37098 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/39428 third-party-advisoryx_refsource_SECUNIA
- http://sunsolve.sun.com/search/document.do?assetkey=1-66-273910-1 vendor-advisoryx_refsource_SUNALERT
- http://sunsolve.sun.com/search/document.do?assetkey=1-77-1021030.1-1 vendor-advisoryx_refsource_SUNALERT
- http://sunsolve.sun.com/search/document.do?assetkey=1-77-1021699.1-1 vendor-advisoryx_refsource_SUNALERT
- http://www.blackhat.com/presentations/bh-usa-09/MARLINSPIKE/BHUSA09-Marlinspike-DefeatSSL-SLIDES.pdf x_refsource_MISC
- http://www.debian.org/security/2009/dsa-1874 vendor-advisoryx_refsource_DEBIAN
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:197 vendor-advisoryx_refsource_MANDRIVA
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:216 vendor-advisoryx_refsource_MANDRIVA
- http://www.mozilla.org/security/announce/2009/mfsa2009-43.html x_refsource_CONFIRMPatchVendor Advisory
- http://www.novell.com/linux/security/advisories/2009_48_firefox.html vendor-advisoryx_refsource_SUSE
- http://www.oracle.com/technetwork/topics/security/cpuapr2010-099504.html x_refsource_CONFIRM
- http://www.redhat.com/support/errata/RHSA-2009-1207.html vendor-advisoryx_refsource_REDHAT
- http://www.securityfocus.com/bid/35891 vdb-entryx_refsource_BIDPatch
- http://www.ubuntu.com/usn/usn-810-1 vendor-advisoryx_refsource_UBUNTU
- http://www.us-cert.gov/cas/techalerts/TA10-103B.html third-party-advisoryx_refsource_CERTUS Government Resource
- http://www.vupen.com/english/advisories/2009/2085 vdb-entryx_refsource_VUPENPatchVendor Advisory
- https://access.redhat.com/security/cve/CVE-2009-2404 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=512912 x_refsource_CONFIRMIssue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2009-2404
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11174 vdb-entrysignaturex_refsource_OVAL
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8658 vdb-entrysignaturex_refsource_OVAL
- https://usn.ubuntu.com/810-2/ vendor-advisoryx_refsource_UBUNTU
- https://www.cve.org/CVERecord?id=CVE-2009-2404
Change history (0)
No recorded changes yet.