CVE-2003-1048

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 26.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2004-07-27 · updated 2026-06-16
Weakness: CWE-415

Description

Double free vulnerability in mshtml.dll for certain versions of Internet Explorer 6.x allows remote attackers to cause a denial of service (application crash) via a malformed GIF image.

Affected products

Microsoft Internet Explorer 11: 5.01-sp2, 5.01-sp3, 5.01-sp4, 5.5-sp2, 6.0, 6.0-sp1
Microsoft Outlook: 2000-sp2, 2000-sp3, 2000-sp4
Microsoft Windows 98: all versions
Microsoft Windows 98Se: all versions
Microsoft Windows Me: all versions
Microsoft Windows Nt: 4.0-sp6, 4.0-sp6a
Microsoft Windows Server 2003: all versions
Microsoft Windows XP Service Pack 3: all versions

References

http://lists.grok.org.uk/pipermail/full-disclosure/2003-September/009445.html
http://lists.grok.org.uk/pipermail/full-disclosure/2003-September/009473.html
http://lists.grok.org.uk/pipermail/full-disclosure/2003-September/009506.html
http://www.ciac.org/ciac/bulletins/o-191.shtml
http://www.kb.cert.org/vuls/id/685364
http://www.securityfocus.com/bid/8530
http://www.us-cert.gov/cas/techalerts/TA04-212A.html
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2004/ms04-025
https://exchange.xforce.ibmcloud.com/vulnerabilities/16804
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1793
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A206
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2100

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