CVE-2011-2371
Integer overflow in the Array.reduceRight method in Mozilla Firefox before 3.6.18 and 4.x through 4.0.1, Thunderbird before 3.1.11, and SeaMonkey through 2.0.14 allows remote attackers to execute arbitrary code via vectors involving a long JavaScript…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 75.7%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.
Description
Integer overflow in the Array.reduceRight method in Mozilla Firefox before 3.6.18 and 4.x through 4.0.1, Thunderbird before 3.1.11, and SeaMonkey through 2.0.14 allows remote attackers to execute arbitrary code via vectors involving a long JavaScript Array object.
- CVSS 2.0
- 10.0 HIGHAV:N/AC:L/Au:N/C:C/I:C/A:C
- EPSS
- 75.69% probability · 100th percentile
- Public exploits
- 3 in Exploit-DB · verified · first 12 October 2011
- CISA KEV
- Not listed
- Weakness
- CWE-189
- Affected
- mozilla/seamonkey · mozilla/firefox · mozilla/thunderbird
- Source
- cve@mitre.org
EPSS 75.7% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (3)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
| EDB-ID | Title | Type | Published | Verified |
|---|---|---|---|---|
| EDB-18531source ↗ | Mozilla Firefox 4.0.1 - 'Array.reduceRight()' Remote Overflowwindows · pa_kt | remote | 27 February 2012 | no |
| EDB-17976source ↗ | Mozilla Firefox - 'Array.reduceRight()' Integer Overflow (Metasploit) (2)windows · Metasploit | remote | 13 October 2011 | yes |
| EDB-17974source ↗ | Mozilla Firefox - 'Array.reduceRight()' Integer Overflow (1)windows · ryujin | remote | 12 October 2011 | yes |
References
- http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00001.html
- http://secunia.com/advisories/45002
- http://securityreason.com/securityalert/8472
- http://support.avaya.com/css/P8/documents/100144854
- http://support.avaya.com/css/P8/documents/100145333
- http://www.debian.org/security/2011/dsa-2268
- http://www.debian.org/security/2011/dsa-2269
- http://www.debian.org/security/2011/dsa-2273
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:111
- http://www.mozilla.org/security/announce/2011/mfsa2011-22.htmlVendor Advisory
- http://www.redhat.com/support/errata/RHSA-2011-0885.html
- http://www.redhat.com/support/errata/RHSA-2011-0887.html
- http://www.redhat.com/support/errata/RHSA-2011-0888.html
- http://www.ubuntu.com/usn/USN-1149-1
- https://bugzilla.mozilla.org/show_bug.cgi?id=664009
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13987
- http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00001.html
- http://secunia.com/advisories/45002
- http://securityreason.com/securityalert/8472
- http://support.avaya.com/css/P8/documents/100144854
- http://support.avaya.com/css/P8/documents/100145333
- http://www.debian.org/security/2011/dsa-2268
- http://www.debian.org/security/2011/dsa-2269
- http://www.debian.org/security/2011/dsa-2273
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:111
- http://www.mozilla.org/security/announce/2011/mfsa2011-22.htmlVendor Advisory
- http://www.redhat.com/support/errata/RHSA-2011-0885.html
- http://www.redhat.com/support/errata/RHSA-2011-0887.html
- http://www.redhat.com/support/errata/RHSA-2011-0888.html
- http://www.ubuntu.com/usn/USN-1149-1
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.