CVE-2008-4381

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 18.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2008-10-02 · updated 2026-06-16
Weakness: CWE-399

Description

Microsoft Internet Explorer 7 allows remote attackers to cause a denial of service (application crash) via Javascript that calls the alert function with a URL-encoded string of a large number of invalid characters.

Affected products

Microsoft Internet Explorer 11: 5, 6, 7

References

http://securityreason.com/securityalert/4345
http://www.openwall.com/lists/oss-security/2008/10/03/7
http://www.openwall.com/lists/oss-security/2008/10/03/8
http://www.securityfocus.com/archive/1/496830/100/0/threaded
http://www.securityfocus.com/archive/1/496926/100/0/threaded
https://exchange.xforce.ibmcloud.com/vulnerabilities/45639
http://securityreason.com/securityalert/4345
http://www.openwall.com/lists/oss-security/2008/10/03/7
http://www.openwall.com/lists/oss-security/2008/10/03/8
http://www.securityfocus.com/archive/1/496830/100/0/threaded
http://www.securityfocus.com/archive/1/496926/100/0/threaded
https://exchange.xforce.ibmcloud.com/vulnerabilities/45639

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