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BELL-CVE-2026-48961

Affected: Alpaquita:25: perl, Alpaquita:stream: perl, BellSoft Hardened Containers:25: perl, BellSoft Hardened Containers:stream: perl

EUVD-2026-322851

fkie_cve-2026-48961

IO::Compress versions from 2.207 before 2.220 for Perl ship a zipdetails CLI tool that crashes with undefined subroutine on Info-ZIP Unix Extra Field with 8-byte UID or GID.

When decode_ux() in bin/zipdetails handles an Info-ZIP Unix Extra Field (tag 0x7875) with UID Size or GID Size set to 8, causing zipdetails to decode an 8-byte UID or GID value, it dispatches through decodeLitteEndian(), which calls a misnamed helper unpackValueQ. The actual function defined in the same file is unpackValue_Q (with underscore); the call raises 'Undefined subroutine &main::unpackValueQ' and the script exits with status 255.

Library callers of IO::Compress and IO::Uncompress are not affected; the defect is in the bundled CLI tool.

GHSA-hjrw-gmwj-xc9c

IO::Compress versions from 2.207 before 2.220 for Perl ship a zipdetails CLI tool that crashes with undefined subroutine on Info-ZIP Unix Extra Field with 8-byte UID or GID.

Library callers of IO::Compress and IO::Uncompress are not affected; the defect is in the bundled CLI tool.

openSUSE-SU-2026:10969-1 — perl-IO-Compress-2.220.0-2.1 on GA media

perl-IO-Compress-2.220.0-2.1 on GA media

UBUNTU-CVE-2026-48961

Affected: Ubuntu:Pro:14.04:LTS: perl, Ubuntu:Pro:16.04:LTS: perl, Ubuntu:16.04:LTS: libio-compress-perl, Ubuntu:Pro:18.04:LTS: perl, Ubuntu:18.04:LTS: libio-compress-perl, Ubuntu:Pro:20.04:LTS: perl, Ubuntu:20.04:LTS: libio-compress-perl, Ubuntu:22.04:LTS: libio-compress-perl, Ubuntu:22.04:LTS: perl, Ubuntu:24.04:LTS: libio-compress-perl and 4 more

IO::Compress versions from 2.207 before 2.220 for Perl ship a zipdetails CLI tool that crashes with undefined subroutine on Info-ZIP Unix Extra Field with 8-byte UID or GID. When decode_ux() in bin/zipdetails handles an Info-ZIP Unix Extra Field (tag 0x7875) with UID Size or GID Size set to 8, causing zipdetails to decode an 8-byte UID or GID value, it dispatches through decodeLitteEndian(), which calls a misnamed helper unpackValueQ. The actual function defined in the same file is unpackValue_Q (with underscore); the call raises 'Undefined subroutine &main::unpackValueQ' and the script exits with status 255. Library callers of IO::Compress and IO::Uncompress are not affected; the defect is in the bundled CLI tool.