CVE-2009-3979
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 3.0.16 and 3.5.x before 3.5.6, SeaMonkey before 2.0.1, and Thunderbird allow remote attackers to cause a denial of service (memory corruption and application crash) or…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.96%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 3.0.16 and 3.5.x before 3.5.6, SeaMonkey before 2.0.1, and Thunderbird allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.
- CVSS 2.0
- 9.3 HIGHAV:N/AC:M/Au:N/C:C/I:C/A:C
- EPSS
- 3.96% probability · 90th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- mozilla/firefox · mozilla/seamonkey
- Source
- cve@mitre.org
EPSS 4.0% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://secunia.com/advisories/37699Vendor Advisory
- http://secunia.com/advisories/37703Vendor Advisory
- http://secunia.com/advisories/37704Vendor Advisory
- http://secunia.com/advisories/37785Vendor Advisory
- http://secunia.com/advisories/37813
- http://secunia.com/advisories/37856
- http://secunia.com/advisories/37881
- http://securitytracker.com/id?1023333
- http://securitytracker.com/id?1023334
- http://www.debian.org/security/2009/dsa-1956
- http://www.mozilla.org/security/announce/2009/mfsa2009-65.htmlPatch, Vendor Advisory
- http://www.novell.com/linux/security/advisories/2009_63_firefox.html
- http://www.redhat.com/support/errata/RHSA-2010-0153.html
- http://www.redhat.com/support/errata/RHSA-2010-0154.html
- http://www.securityfocus.com/bid/37349
- http://www.securityfocus.com/bid/37361
- http://www.ubuntu.com/usn/USN-873-1
- http://www.ubuntu.com/usn/USN-874-1
- http://www.vupen.com/english/advisories/2009/3547Vendor Advisory
- http://www.vupen.com/english/advisories/2010/0650
- https://bugzilla.mozilla.org/show_bug.cgi?id=293347
- https://bugzilla.mozilla.org/show_bug.cgi?id=457514
- https://bugzilla.mozilla.org/show_bug.cgi?id=479931
- https://bugzilla.mozilla.org/show_bug.cgi?id=494617
- https://bugzilla.mozilla.org/show_bug.cgi?id=506267
- https://bugzilla.mozilla.org/show_bug.cgi?id=515811
- https://bugzilla.mozilla.org/show_bug.cgi?id=516237
- https://bugzilla.mozilla.org/show_bug.cgi?id=522374
- https://bugzilla.redhat.com/show_bug.cgi?id=546694
- https://exchange.xforce.ibmcloud.com/vulnerabilities/54799
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.