What’s Vulnerable › Vulnerabilities

CVE-2012-3561

• Severity: critical (CVSS 10.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 5.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2012-06-14 · updated 2026-06-16
• Weakness: CWE-119

Description

Opera before 11.64 does not properly allocate memory for URL strings, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted string.

Affected products

• Opera Browser: through 11.62; 5.0, 5.0-beta2, 5.0-beta3, 5.0-beta4, 5.0-beta5, 5.0-beta6 (+120)

References

• http://osvdb.org/81809
• http://www.opera.com/docs/changelogs/mac/1164/
• http://www.opera.com/docs/changelogs/unix/1164/
• http://www.opera.com/docs/changelogs/windows/1164/
• http://www.opera.com/support/kb/view/1016/
• http://osvdb.org/81809
• http://www.opera.com/docs/changelogs/mac/1164/
• http://www.opera.com/docs/changelogs/unix/1164/
• http://www.opera.com/docs/changelogs/windows/1164/
• http://www.opera.com/support/kb/view/1016/

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