HTTP proxy via "CONNECT" tunneling doesn't sanitize CR/LF. Should sanitize the input of .set_tunnel() to avoid header splitting.
CPython main branch
Other, Linux
pythongh-146211: Reject CR/LF in HTTP tunnel request headers
gh-146211: Reject CR/LF in HTTP tunnel request headers (#146212)
pythongh-146211: Reject CR/LF in HTTP tunnel request headers (pythonG…
[3.13] gh-146211: Reject CR/LF in HTTP tunnel request headers (GH-146212
[3.12] gh-146211: Reject CR/LF in HTTP tunnel request headers (GH-146212
Update python312 to version 3.12.13 / rev 49 via SR 1360565
Port "Reject CR/LF in HTTP tunnel request headers"
[3.11] gh-146211: Reject CR/LF in HTTP tunnel request headers (GH-146… (
[3.10] gh-146211: Reject CR/LF in HTTP tunnel request headers (GH-146… (
Port "Reject CR/LF in HTTP tunnel request headers" (#5091)
package/python3: security bump to v3.12.14
[CVE-2026-1502] Reject CR/LF in HTTP tunnel request headers
Activity
pythongh-146211: Reject CR/LF in HTTP tunnel request headers
gh-146211: Reject CR/LF in HTTP tunnel request headers (#146212)
pythongh-146211: Reject CR/LF in HTTP tunnel request headers (pythonG…
pythongh-146211: Reject CR/LF in HTTP tunnel request headers (pythonG…
pythongh-146211: Reject CR/LF in HTTP tunnel request headers (pythonG…
11 remaining items
[3.13] gh-146211: Reject CR/LF in HTTP tunnel request headers (GH-146212
[3.12] gh-146211: Reject CR/LF in HTTP tunnel request headers (GH-146212
Update python312 to version 3.12.13 / rev 49 via SR 1360565
Port "Reject CR/LF in HTTP tunnel request headers"
[3.11] gh-146211: Reject CR/LF in HTTP tunnel request headers (GH-146… (
[3.10] gh-146211: Reject CR/LF in HTTP tunnel request headers (GH-146… (
Port "Reject CR/LF in HTTP tunnel request headers" (#5091)
package/python3: security bump to v3.12.14
[CVE-2026-1502] Reject CR/LF in HTTP tunnel request headers
[CVE-2026-1502] Reject CR/LF in HTTP tunnel request headers
[CVE-2026-1502] Reject CR/LF in HTTP tunnel request headers
[CVE-2026-1502] Reject CR/LF in HTTP tunnel request headers
[CVE-2026-1502] Reject CR/LF in HTTP tunnel request headers
[CVE-2026-1502] Reject CR/LF in HTTP tunnel request headers