HAProxy <2.8.2: FORWARD EMPTY CONTENTLENGTH, MAY CAUSE EXTRA REQUESTS
CVE-2023-40225 Published on August 10, 2023

HAProxy through 2.0.32, 2.1.x and 2.2.x through 2.2.30, 2.3.x and 2.4.x through 2.4.23, 2.5.x and 2.6.x before 2.6.15, 2.7.x before 2.7.10, and 2.8.x before 2.8.2 forwards empty Content-Length headers, violating RFC 9110 section 8.6. In uncommon cases, an HTTP/1 server behind HAProxy may interpret the payload as an extra request.

NVD


Products Associated with CVE-2023-40225

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HAProxy
 

Exploit Probability

EPSS
0.05%
Percentile
13.50%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.