What’s Vulnerable › Vulnerabilities

CVE-2003-0791

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2003-10-07 · updated 2026-06-16
• Weakness: CWE-502

Description

The Script.prototype.freeze/thaw functionality in Mozilla 1.4 and earlier allows attackers to execute native methods by modifying the string used as input to the script.thaw JavaScript function, which is then deserialized and executed.

Affected products

• Mozilla: through 1.4
• Sco Openserver: 5.0.7

References

• http://secunia.com/advisories/11103/
• http://www.mandriva.com/security/advisories?name=MDKSA-2004:021
• http://www.osvdb.org/8390
• http://www.securityfocus.com/advisories/6979
• http://www.securityfocus.com/bid/9322
• https://bugzilla.mozilla.org/show_bug.cgi?id=221526
• http://secunia.com/advisories/11103/
• http://www.mandriva.com/security/advisories?name=MDKSA-2004:021
• http://www.osvdb.org/8390
• http://www.securityfocus.com/advisories/6979
• http://www.securityfocus.com/bid/9322
• https://bugzilla.mozilla.org/show_bug.cgi?id=221526

Get alerted when CVE-2003-0791 or the next vulnerability affects your stack