python3-twisted: patch CVE-2022-24801

Details: https://nvd.nist.gov/vuln/detail/CVE-2022-24801

Pick the commits from the pull request that is referenced by the NVD report.

(The full set is consisting of 13 patches, but the ones that only updated
news/readme/typo fixes in comments were not backported)

Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>

meta-python/recipes-devtools/python/python3-twisted/CVE-2022-24801-4.patch

@@ -0,0 +1,25 @@
+From c6838374d0e323b78877ae546e1471c400e4652d Mon Sep 17 00:00:00 2001
+From: Tom Most <twm@freecog.net>
+Date: Mon, 7 Mar 2022 00:32:14 -0800
+Subject: [PATCH] Reject non-digit Content-Length
+
+Upstream-Status: Backport [https://github.com/twisted/twisted/commit/8ebfa8f6577431226e109ff98ba48f5152a2c416]
+CVE: CVE-2022-24801
+Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>
+---
+ src/twisted/web/http.py | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/src/twisted/web/http.py b/src/twisted/web/http.py
+index 262da0b..5316d81 100644
+--- a/src/twisted/web/http.py
++++ b/src/twisted/web/http.py
+@@ -2274,6 +2274,8 @@ class HTTPChannel(basic.LineReceiver, policies.TimeoutMixin):
+ 
+         # Can this header determine the length?
+         if header == b"content-length":
++            if not data.isdigit():
++                return fail()
+             try:
+                 length = int(data)
+             except ValueError: