CVE-2026-7040

Summary

Text::Minify::XS versions from 0.3.0 before 0.7.8 for Perl have a heap overflow when processing some malformed UTF-8 characters.

The minify functions mishandled some malformed UTF-8 characters, leading to heap corruption.

Note that the minify_utf8 function is an alias for minify.

Affected Software

Weaknesses

• CWE-176: CWE-176 Improper Handling of Unicode Encoding
• CWE-122: CWE-122 Heap-based Buffer Overflow

Workarounds

Validate that all strings passed to the minify and minify_utf8 functions.

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: yes
  • Technical Impact: partial

CVE Program Container

Additional References

• http://www.openwall.com/lists/oss-security/2026/04/27/5

References

• https://github.com/robrwo/Text-Minify-XS/security/advisories/GHSA-jqhf-vv4h-77h2
• https://metacpan.org/release/RRWO/Text-Minify-XS-v0.7.8/changes

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