Bug 2481766 (CVE-2025-15649)

Summary: CVE-2025-15649 perl-IO-Compress: perl-IO-Compress: Denial of Service via malformed DOS date in zip header
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
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Priority: medium    
Version: unspecifiedCC: rhel-process-autobot, watson-tool-maintainers
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in perl-IO-Compress. This vulnerability allows a remote attacker to cause a Denial of Service (DoS) by providing a specially crafted zip file. The IO::Uncompress::Unzip module, which is part of perl-IO-Compress, does not properly handle malformed date information within a zip file's header. This can lead to an uncaught error that causes the program to crash, making the affected system unavailable.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2489171    
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Description OSIDB Bzimport 2026-05-27 04:01:19 UTC 
IO::Uncompress::Unzip versions before 2.215 for Perl propagate uncaught exception when parsing zip header with malformed DOS date.

_dosToUnixTime() decodes the local-file-header last-modification date field and calls Time::Local::timelocal() without an eval guard. A header whose date field decodes to an out-of-range month, day, or hour causes timelocal() to die.

The exception propagates out of IO::Uncompress::Unzip->new($file) where callers expect undef plus $UnzipError.