Description
IO::Uncompress::Unzip versions before 2.220 for Perl allow CPU exhaustion via per-byte read loop in fastForward. fastForward() compares length $offset (the digit count of the offset, 1 to 19) against the chunk size $c instead of $offset itself, so $c shrinks from 16 KiB to 1-19 bytes per iteration. Extracting a named entry from an attacker supplied zip via IO::Uncompress::Unzip->new($zip, Name => $target) drives a per-byte read loop scaling with the entry's compressed size, up to the non-Zip64 4 GiB cap.
Mitigation
Minimal update. May introduce new vulnerabilities or breaking changes.
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 debian 11 | | =2.101-1 || =2.102-1 || =2.103-1 || =2.104-1 || =2.105-1 || =2.201-1 || =2.201-2 || =2.204-1 || =2.206-1 || =2.207-1 || =2.208-1 || =2.211-1 || =2.212-1 || =2.213-1 || =2.214-1 || =2.217-1 || =2.219-1 || =2.219-2 || =2.220-1 | - |
debian 12 | | =2.204-1 || =2.206-1 || =2.207-1 || =2.208-1 || =2.211-1 || =2.212-1 || =2.213-1 || =2.214-1 || =2.217-1 || =2.219-1 || =2.219-2 || =2.220-1 | - |
debian 11 | | =5.32.1-4 || =5.32.1-4+deb11u1 || =5.32.1-4+deb11u2 || =5.32.1-4+deb11u3 || =5.32.1-4+deb11u4 || =5.32.1-4+deb11u5 || =5.32.1-5 || =5.32.1-6 || =5.34.0-1 || =5.34.0-2 || =5.34.0-3 || =5.34.0-4 || =5.34.0-5 || =5.34.0~rc2-1 || =5.36.0-1 || =5.36.0-10 || =5.36.0-2 || =5.36.0-3 || =5.36.0-4 || =5.36.0-5 || =5.36.0-6 || =5.36.0-7 || =5.36.0-8 || =5.36.0-9 || =5.38.0-1 || =5.38.0-2 || =5.38.0~rc2-1 || =5.38.2-1 || =5.38.2-2 || =5.38.2-3 || =5.38.2-3.1 || =5.38.2-3.2 || =5.38.2-3.2+hurd.1 || =5.38.2-4 || =5.38.2-5 || =5.40.0-1 || =5.40.0-2 || =5.40.0-3 || =5.40.0-4 || =5.40.0-5 || =5.40.0-6 || =5.40.0-7 || =5.40.0-8 || =5.40.0~rc1-1 || =5.40.1-1 || =5.40.1-2 || =5.40.1-3 || =5.40.1-4 || =5.40.1-5 || =5.40.1-6 || =5.40.1-7 || =5.42.0-1 || =5.42.0-2 || =5.42.0-3 || =5.42.2-1 | - |
debian 12 | | =5.36.0-10 || =5.36.0-7 || =5.36.0-7+deb12u1 || =5.36.0-7+deb12u2 || =5.36.0-7+deb12u3 || =5.36.0-8 || =5.36.0-9 || =5.38.0-1 || =5.38.0-2 || =5.38.0~rc2-1 || =5.38.2-1 || =5.38.2-2 || =5.38.2-3 || =5.38.2-3.1 || =5.38.2-3.2 || =5.38.2-3.2+hurd.1 || =5.38.2-4 || =5.38.2-5 || =5.40.0-1 || =5.40.0-2 || =5.40.0-3 || =5.40.0-4 || =5.40.0-5 || =5.40.0-6 || =5.40.0-7 || =5.40.0-8 || =5.40.0~rc1-1 || =5.40.1-1 || =5.40.1-2 || =5.40.1-3 || =5.40.1-4 || =5.40.1-5 || =5.40.1-6 || =5.40.1-7 || =5.42.0-1 || =5.42.0-2 || =5.42.0-3 || =5.42.2-1 | - |
debian 14 | | =5.40.1-6 || =5.40.1-7 || =5.42.0-1 || =5.42.0-2 || =5.42.0-3 || =5.42.2-1 | - |
debian 14 | | =2.213-1 || =2.214-1 || =2.217-1 || =2.219-1 || =2.219-2 || >=0 <2.220-1 | 2.220-1 |
debian 13 | | =2.213-1 || =2.214-1 || =2.217-1 || =2.219-1 || =2.219-2 || =2.220-1 | - |
debian 13 | | =5.40.1-6 || =5.40.1-7 || =5.42.0-1 || =5.42.0-2 || =5.42.0-3 || =5.42.2-1 | - |
