CVE-2012-0479
Mozilla Firefox 4.x through 11.0, Firefox ESR 10.x before 10.0.4, Thunderbird 5.0 through 11.0, Thunderbird ESR 10.x before 10.0.4, and SeaMonkey before 2.9 allow remote attackers to spoof the address bar via an https URL for invalid (1) RSS or (2) Atom…
Does this matter?
Lower severity and a low EPSS score (2.21%). Track it; it rarely justifies an emergency change on its own.
Description
Mozilla Firefox 4.x through 11.0, Firefox ESR 10.x before 10.0.4, Thunderbird 5.0 through 11.0, Thunderbird ESR 10.x before 10.0.4, and SeaMonkey before 2.9 allow remote attackers to spoof the address bar via an https URL for invalid (1) RSS or (2) Atom XML content.
- CVSS 2.0
- 4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N
- EPSS
- 2.21% probability · 82th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- mozilla/firefox · mozilla/thunderbird · mozilla/thunderbird esr · mozilla/seamonkey
- Source
- cve@mitre.org
EPSS 2.2% 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/48920
- http://secunia.com/advisories/48922
- http://secunia.com/advisories/48972
- http://secunia.com/advisories/49047
- http://secunia.com/advisories/49055
- http://www.debian.org/security/2012/dsa-2457
- http://www.debian.org/security/2012/dsa-2458
- http://www.debian.org/security/2012/dsa-2464
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:066
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:081
- http://www.mozilla.org/security/announce/2012/mfsa2012-33.html
- http://www.securityfocus.com/bid/53224
- https://bugzilla.mozilla.org/show_bug.cgi?id=714631
- https://exchange.xforce.ibmcloud.com/vulnerabilities/75156
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17011
- http://secunia.com/advisories/48920
- http://secunia.com/advisories/48922
- http://secunia.com/advisories/48972
- http://secunia.com/advisories/49047
- http://secunia.com/advisories/49055
- http://www.debian.org/security/2012/dsa-2457
- http://www.debian.org/security/2012/dsa-2458
- http://www.debian.org/security/2012/dsa-2464
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:066
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:081
- http://www.mozilla.org/security/announce/2012/mfsa2012-33.html
- http://www.securityfocus.com/bid/53224
- https://bugzilla.mozilla.org/show_bug.cgi?id=714631
- https://exchange.xforce.ibmcloud.com/vulnerabilities/75156
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17011
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.