#debian

Debian Linux Security Advisory 5634-1 - Multiple security issues were discovered in Chromium, which could result in the execution of arbitrary code, denial of service or information disclosure.

Debian Linux Security Advisory 5633-1 - It was discovered that malformed DNSSEC records within a DNS zone could result in denial of service against Knot Resolver, a caching, DNSSEC- validating DNS resolver.

Debian Linux Security Advisory 5631-1 - It was discovered that iwd, the iNet Wireless Daemon, does not properly handle messages in the 4-way handshake used when connecting to a protected WiFi network for the first time. An attacker can take advantage of this flaw to gain unauthorized access to a protected WiFi network if iwd is operating in Access Point (AP) mode.

Debian Linux Security Advisory 5630-1 - Multiple security issues were discovered in Thunderbird, which could result in denial of service or the execution of arbitrary code.

Debian Linux Security Advisory 5629-1 - Multiple security issues were discovered in Chromium, which could result in the execution of arbitrary code, denial of service or information disclosure.

Debian Linux Security Advisory 5628-1 - handling problems and cases of missing or incomplete input sanitising may result in denial of service, memory disclosure or potentially the execution of arbitrary code if malformed image files are processed.

Debian Linux Security Advisory 5627-1 - Multiple security issues have been found in the Mozilla Firefox web browser, which could potentially result in the execution of arbitrary code, information disclosure or spoofing.

### Summary Ever since https://github.com/agronholm/cbor2/pull/204 (or specifically https://github.com/agronholm/cbor2/commit/387755eacf0be35591a478d3c67fe10618a6d542) was merged, I can create a reproducible crash when running the snippet under PoC on a current Debian bullseye aarm64 on a Raspberry Pi 3 (I was **not** able to reproduce this on my x86_64 Laptop with Python 3.11; I suspect because there is enough memory to allocate still) ## Details ### PoC ```py import json import concurrent.futures import cbor2 def test(): obj = "x" * 131128 cbor_enc = cbor2.dumps(obj) return cbor2.loads(cbor_enc) with concurrent.futures.ProcessPoolExecutor() as executor: future = executor.submit(test) print(future.result()) ``` ``` malloc(): unsorted double linked list corrupted Traceback (most recent call last): File "test.py", line 14, in <module> print(future.result()) File "/usr/lib/python3.9/concurrent/futures/_base.py", line 440, in result return self.__get_...

Debian Linux Security Advisory 5626-1 - It was discovered that malformed DNSSEC records within a DNS zone could result in denial of service against PDNS Recursor, a resolving name server.

Debian Linux Security Advisory 5624-1 - Mate Kukri discovered the Debian build of EDK2, a UEFI firmware implementation, used an insecure default configuration which could result in Secure Boot bypass via the UEFI shell.