Possible UAF in `{LZMA,BZ2,_Zlib}Decompressor`

[StanFromIreland]

More details to follow.

Linked PRs

• gh-148395: Fix a possible UAF in {LZMA,BZ2,_Zlib}Decompressor #148396
• [3.13] gh-148395: Fix a possible UAF in {LZMA,BZ2,_Zlib}Decompressor (GH-148396) #148479
• [3.14] gh-148395: Fix a possible UAF in {LZMA,BZ2,_Zlib}Decompressor (GH-148396) #148480