What’s Vulnerable › Vulnerabilities

CVE-2011-1843

• Severity: medium (CVSS 6.8 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2011-05-03 · updated 2026-06-16
• Weakness: CWE-189

Description

Integer overflow in conf.c in Tinyproxy before 1.8.3 might allow remote attackers to bypass intended access restrictions in opportunistic circumstances via a TCP connection, related to improper handling of invalid port numbers.

Affected products

• Banu Tinyproxy: through 1.8.2; 1.5.0, 1.5.0-pre1, 1.5.0-pre2, 1.5.0-pre3, 1.5.0-pre4, 1.5.0-pre5 (+44)

References

• http://www.securityfocus.com/bid/47715
• https://banu.com/bugzilla/show_bug.cgi?id=90
• https://banu.com/cgit/tinyproxy/diff/?id=97b9984484299b2ce72f8f4fc3706dab8a3a8439
• http://www.securityfocus.com/bid/47715
• https://banu.com/bugzilla/show_bug.cgi?id=90
• https://banu.com/cgit/tinyproxy/diff/?id=97b9984484299b2ce72f8f4fc3706dab8a3a8439

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