HTTP response smuggling vulnerability in Mozilla Firefox and Thunderbird before 1.5.0.4, when used with certain proxy servers, allows remote attackers to cause Firefox to interpret certain responses as if they were responses from two different sites via (1) invalid HTTP response headers with spaces between the header name and the colon, which might not be ignored in some cases, or (2) HTTP 1.1 headers through an HTTP 1.0 proxy, which are ignored by the proxy but processed by the client.
Published 2006-06-02 20:02:00
Updated 2025-04-03 01:03:51
Source MITRE
View at NVD,   CVE.org

Products affected by CVE-2006-2786

Exploit prediction scoring system (EPSS) score for CVE-2006-2786

2.35%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 83 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2006-2786

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
2.6
LOW AV:N/AC:H/Au:N/C:N/I:P/A:N
4.9
2.9
NIST

References for CVE-2006-2786

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