Important: python3.9

Issue Overview: When using the "configparser" module to write configuration files containing multi-line text values with carriage return characters \r the resulting file could be injected with unexpected keys and values if the attacker controls the written value. CVE-2026-0864 tarfile.extractall...

CLSA-2026-1778831359 python3.9: Fix of CVE-2026-6100

CVE-2026-6100: fix possible use-after-free in bz2.BZ2Decompressor and lzma.LZMADecompressor by clearing dangling nextin input pointer on the MemoryError error path...