What’s Vulnerable › Vulnerabilities

CVE-2003-0870

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 15.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2003-11-17 · updated 2026-06-16
• Weakness: CWE-787

Description

Heap-based buffer overflow in Opera 7.11 and 7.20 allows remote attackers to execute arbitrary code via an HREF with a large number of escaped characters in the server name.

Affected products

• Opera Browser: 7.11, 7.20

References

• http://archives.neohapsis.com/archives/vulnwatch/2003-q4/0016.html
• http://www.atstake.com/research/advisories/2003/a102003-1.txt
• http://www.securityfocus.com/bid/8853
• https://exchange.xforce.ibmcloud.com/vulnerabilities/13458
• http://archives.neohapsis.com/archives/vulnwatch/2003-q4/0016.html
• http://www.atstake.com/research/advisories/2003/a102003-1.txt
• http://www.securityfocus.com/bid/8853
• https://exchange.xforce.ibmcloud.com/vulnerabilities/13458

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