CVE-2013-0765

Severity: critical (CVSS 9.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-02-19 · updated 2026-06-16

Description

Mozilla Firefox before 19.0, Thunderbird before 17.0.3, and SeaMonkey before 2.16 do not prevent multiple wrapping of WebIDL objects, which allows remote attackers to bypass intended access restrictions via unspecified vectors.

Affected products

Canonical Ubuntu Linux: 10.04, 11.10, 12.04, 12.10
Mozilla Firefox: before 19.0 — fixed in 19.0
Mozilla Seamonkey: before 2.16 — fixed in 2.16
Opensuse: 11.4, 12.1, 12.2

How to fix

Upgrade to a fixed version: Mozilla Firefox 19.0; Mozilla Seamonkey 2.16. Check the vendor advisory for mitigations.

References

http://lists.opensuse.org/opensuse-security-announce/2013-02/msg00017.html
http://lists.opensuse.org/opensuse-updates/2013-02/msg00062.html
http://www.mozilla.org/security/announce/2013/mfsa2013-23.html
http://www.ubuntu.com/usn/USN-1729-1
http://www.ubuntu.com/usn/USN-1729-2
https://bugzilla.mozilla.org/show_bug.cgi?id=830614
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17097
http://lists.opensuse.org/opensuse-security-announce/2013-02/msg00017.html
http://lists.opensuse.org/opensuse-updates/2013-02/msg00062.html
http://www.mozilla.org/security/announce/2013/mfsa2013-23.html
http://www.ubuntu.com/usn/USN-1729-1
http://www.ubuntu.com/usn/USN-1729-2

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