Description
IO::Compress versions before 2.220 for Perl can execute arbitrary code in File::GlobMapper via an attacker-controlled output glob.
_parseOutputGlob() wraps the caller-supplied output glob string in double quotes and stores it in the parser state; _getFiles() then runs the stored expression through eval STRING. A literal double quote in the output glob closes the dquote wrapper, and the characters that follow are evaluated as Perl.
Arbitrary Perl in the output glob executes at the calling process's privilege.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:LWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| PMQS | IO::Compress | < 2.220 |
| Red Hat | Red Hat Enterprise Linux 10 | — |
| Red Hat | Red Hat Enterprise Linux 10.0 Extended Update Support | — |
| Red Hat | Red Hat Enterprise Linux 7 Extended Lifecycle Support | — |
| Red Hat | Red Hat Enterprise Linux 8 | — |
| Red Hat | Red Hat Enterprise Linux 8 | — |
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | — |
| Red Hat | Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On | — |
| Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | — |
| Red Hat | Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On | — |
| Red Hat | Red Hat Enterprise Linux 8.8 Telecommunications Update Service | — |
| Red Hat | Red Hat Enterprise Linux 8.8 Telecommunications Update Service | — |
| Red Hat | Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions | — |
| Red Hat | Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions | — |
| Red Hat | Red Hat Enterprise Linux 9 | — |
| Red Hat | Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions | — |
| Red Hat | Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions | — |
| Red Hat | Red Hat Enterprise Linux 9.6 Extended Update Support | — |
References
- https://github.com/pmqs/IO-Compress/commit/f2db247bf90d4cc7ee2710be384946081f3b4610.patch
- https://metacpan.org/release/PMQS/IO-Compress-2.220/changes
- http://www.openwall.com/lists/oss-security/2026/05/27/4
- https://access.redhat.com/errata/RHSA-2026:29182
- https://access.redhat.com/errata/RHSA-2026:29210
- https://access.redhat.com/errata/RHSA-2026:29867
- https://access.redhat.com/errata/RHSA-2026:29941
- https://access.redhat.com/errata/RHSA-2026:30085
- https://access.redhat.com/errata/RHSA-2026:30086
- https://access.redhat.com/errata/RHSA-2026:30115
- https://access.redhat.com/errata/RHSA-2026:30843
- https://access.redhat.com/errata/RHSA-2026:30851
- https://access.redhat.com/errata/RHSA-2026:30858
- https://access.redhat.com/errata/RHSA-2026:30859
- https://access.redhat.com/errata/RHSA-2026:30860
- https://access.redhat.com/errata/RHSA-2026:50262
- https://access.redhat.com/security/cve/CVE-2026-48962
- https://bugzilla.redhat.com/show_bug.cgi?id=2481767
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-48962.json
Timeline
- Published
- May 27, 2026
- Last modified
- Nov 10, 2026
- NVD status
- Deferred