CVE-2006-4340
Mozilla Network Security Service (NSS) library before 3.11.3, as used in Mozilla Firefox before 1.5.0.7, Thunderbird before 1.5.0.7, and SeaMonkey before 1.0.5, when using an RSA key with exponent 3, does not properly handle extra data in a signature, which allows remote attackers to forge signatures for SSL/TLS and email certificates, a similar vulnerability to CVE-2006-4339. NOTE: on 20061107, Mozilla released an advisory stating that these versions were not completely patched by MFSA2006-60. The newer fixes for 1.5.0.7 are covered by CVE-2006-5462.
Key facts
- CVSS score
- 4.0 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:H/Au:N/C:P/I:P/A:N- Weakness (CWE)
- CWE-20
- EPSS score
- 2.3% (84th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2006-4328)
- Published
- September 15, 2006
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2006-4328 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- mozilla / firefox
- mozilla / network security services
- mozilla / seamonkey
- mozilla / thunderbird
References
- ftp://patches.sgi.com/support/free/security/advisories/20060901-01-P.asc
- http://secunia.com/advisories/21903(Vendor Advisory)
- http://secunia.com/advisories/21906(Patch, Vendor Advisory)
- http://secunia.com/advisories/21915(Vendor Advisory)
- http://secunia.com/advisories/21916(Vendor Advisory)
- http://secunia.com/advisories/21939(Vendor Advisory)
- http://secunia.com/advisories/21940(Vendor Advisory)
- http://secunia.com/advisories/21949(Patch, Vendor Advisory)
- http://secunia.com/advisories/21950(Vendor Advisory)
- http://secunia.com/advisories/22001(Vendor Advisory)
- http://secunia.com/advisories/22025(Vendor Advisory)
- http://secunia.com/advisories/22036(Vendor Advisory)
- http://secunia.com/advisories/22044
- http://secunia.com/advisories/22055(Vendor Advisory)
- http://secunia.com/advisories/22056
- http://secunia.com/advisories/22066
- http://secunia.com/advisories/22074(Vendor Advisory)
- http://secunia.com/advisories/22088(Vendor Advisory)
- http://secunia.com/advisories/22195
- http://secunia.com/advisories/22210(Vendor Advisory)
- http://secunia.com/advisories/22226(Vendor Advisory)
- http://secunia.com/advisories/22247(Vendor Advisory)
- http://secunia.com/advisories/22274(Vendor Advisory)
- http://secunia.com/advisories/22299(Vendor Advisory)
- http://secunia.com/advisories/22342(Vendor Advisory)
- http://secunia.com/advisories/22422(Vendor Advisory)
- http://secunia.com/advisories/22446(Vendor Advisory)
- http://secunia.com/advisories/22849
- http://secunia.com/advisories/22992
- http://secunia.com/advisories/23883
- http://secunia.com/advisories/24711
- http://security.gentoo.org/glsa/glsa-200609-19.xml
- http://security.gentoo.org/glsa/glsa-200610-01.xml
- http://securitytracker.com/id?1016858
- http://securitytracker.com/id?1016859
- http://securitytracker.com/id?1016860
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-102648-1
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-102781-1
- http://support.avaya.com/elmodocs2/security/ASA-2006-224.htm
- http://support.avaya.com/elmodocs2/security/ASA-2006-250.htm
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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