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High severity7.5NVD Advisory· Published Apr 7, 2026· Updated Aug 10, 2026

CVE-2026-31842

CVE-2026-31842

Description

Tinyproxy through 1.11.3 is vulnerable to HTTP request parsing desynchronization due to a case-sensitive comparison of the Transfer-Encoding header in src/reqs.c. The is_chunked_transfer function uses strcmp to compare the header value against "chunked", even though RFC 7230 specifies that transfer-coding names are case-insensitive.

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Affected products

2
  • Tinyproxy/Tinyproxy2 versions
    cpe:2.3:a:tinyproxy_project:tinyproxy:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:tinyproxy_project:tinyproxy:*:*:*:*:*:*:*:*range: <=1.11.3
    • (no CPE)range: <=1.11.3

Patches

Vulnerability mechanics

References

2

News mentions

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