What’s Vulnerable › Vulnerabilities

CVE-2013-0750

• Severity: critical (CVSS 9.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 6.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2013-01-13 · updated 2026-06-16
• Weakness: CWE-190

Description

Integer overflow in the JavaScript implementation in Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and 17.x before 17.0.2, Thunderbird before 17.0.2, Thunderbird ESR 10.x before 10.0.12 and 17.x before 17.0.2, and SeaMonkey before 2.15 allows remote attackers to execute arbitrary code via a crafted string concatenation, leading to improper memory allocation and a heap-based buffer overflow.

Affected products

• Canonical Ubuntu Linux: 10.04, 11.10, 12.04, 12.10
• Mozilla Firefox: before 18.0; from 10.0 before 10.0.12; from 17.0 before 17.0.2 — fixed in 10.0.12, 17.0.2, 18.0
• Mozilla Seamonkey: before 2.15 — fixed in 2.15
• Mozilla Thunderbird: before 17.0.2 — fixed in 17.0.2
• Mozilla Thunderbird ESR: from 10.0 before 10.0.12; from 17.0 before 17.0.2 — fixed in 10.0.12, 17.0.2
• Opensuse: 11.4, 12.1, 12.2
• RedHat Enterprise Linux Desktop: 5.0, 6.0
• RedHat Enterprise Linux Eus: 5.9, 6.3
• RedHat Enterprise Linux Server: 5.0, 6.0
• RedHat Enterprise Linux Server Aus: 5.9
• RedHat Enterprise Linux Workstation: 5.0, 6.0
• SUSE Linux Enterprise Server 15 SP1: 10-sp4, 11-sp2
• SUSE Linux Enterprise Server: 10-sp4, 11-sp2
• SUSE Linux Enterprise Software Development Kit: 10-sp4, 11-sp2

How to fix

Upgrade to a fixed version: Mozilla Firefox 10.0.12, 17.0.2, 18.0; Mozilla Seamonkey 2.15; Mozilla Thunderbird 17.0.2; Mozilla Thunderbird ESR 10.0.12, 17.0.2. Check the vendor advisory for mitigations.

References

• http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00006.html
• http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00007.html
• http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00010.html
• http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00017.html
• http://rhn.redhat.com/errata/RHSA-2013-0144.html
• http://rhn.redhat.com/errata/RHSA-2013-0145.html
• http://www.mozilla.org/security/announce/2013/mfsa2013-12.html
• http://www.ubuntu.com/usn/USN-1681-1
• http://www.ubuntu.com/usn/USN-1681-2
• http://www.ubuntu.com/usn/USN-1681-4
• https://bugzilla.mozilla.org/show_bug.cgi?id=805121
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16957

Get alerted when CVE-2013-0750 or the next vulnerability affects your stack