CVE-2009-1836

MediumCVSS 6.8/10Last modified Jun 16, 2026

Description

Mozilla Firefox before 3.0.11, Thunderbird before 2.0.0.22, and SeaMonkey before 1.1.17 use the HTTP Host header to determine the context of a document provided in a non-200 CONNECT response from a proxy server, which allows man-in-the-middle attackers to execute arbitrary web script by modifying this CONNECT response, aka an "SSL tampering" attack.

Metrics

CVSS 2.0 6.8/10AV:N/AC:M/Au:N/C:P/I:P/A:P

Weakness enumeration

CWE-287

Affected software

No affected versions have been published.

Timeline

Published: Jun 12, 2009
Last modified: Jun 16, 2026
NVD status: Modified

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