What’s Vulnerable › Vulnerabilities

CVE-2026-7040: Text::Minify::XS versions from 0.3.0 before 0.7.8 for Perl have heap overflow when processing some malformed UTF-8 characters

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-04-27 · updated 2026-10-26
• Weakness: CWE-122

Description

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 products

• RRWO Text::Minify::Xs: from 0.3.0 before 0.7.8 — fixed in 0.7.8

How to fix

Upgrade to a fixed version: RRWO Text::Minify::Xs 0.7.8. Check the vendor advisory for mitigations.

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

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