What’s Vulnerable › Vulnerabilities

CVE-2007-0777

• Severity: critical (CVSS 9.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 7.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2007-02-26 · updated 2026-06-16
• Weakness: CWE-119

Description

The JavaScript engine in Mozilla Firefox before 1.5.0.10 and 2.x before 2.0.0.2, Thunderbird before 1.5.0.10, and SeaMonkey before 1.0.8 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via certain vectors that trigger memory corruption.

Affected products

• Canonical Ubuntu Linux: 5.10, 6.06, 6.10
• Mozilla Firefox: from 1.5 before 1.5.0.10; from 2.0 before 2.0.0.2 — fixed in 1.5.0.10, 2.0.0.2
• Mozilla Seamonkey: before 1.0.8 — fixed in 1.0.8
• Mozilla Thunderbird: before 1.5.0.10 — fixed in 1.5.0.10

How to fix

Upgrade to a fixed version: Mozilla Firefox 1.5.0.10, 2.0.0.2; Mozilla Seamonkey 1.0.8; Mozilla Thunderbird 1.5.0.10. Check the vendor advisory for mitigations.

References

• http://fedoranews.org/cms/node/2713
• http://fedoranews.org/cms/node/2728
• http://fedoranews.org/cms/node/2747
• http://fedoranews.org/cms/node/2749
• http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c00771742
• http://lists.suse.com/archive/suse-security-announce/2007-Mar/0001.html
• http://rhn.redhat.com/errata/RHSA-2007-0077.html
• http://secunia.com/advisories/24205
• http://secunia.com/advisories/24238
• http://secunia.com/advisories/24252

Get alerted when CVE-2007-0777 or the next vulnerability affects your stack