Heap Overflow Vulnerability in Text::Minify::XS for Perl by Rob R. Wojtowicz
CVE-2026-7040

7.5HIGH

Key Information:

Vendor

Rrwo

Status
Text::minify::xs
Vendor
CVE Published:
27 April 2026

What is CVE-2026-7040?

A heap overflow vulnerability exists in Text::Minify::XS versions prior to v0.7.8 for Perl, which occurs during the processing of malformed UTF-8 characters. This flaw can lead to unexpected behavior and potential system instability due to heap corruption. Specific minification functions within the library fail to handle these malformed characters appropriately, allowing for exploitation in certain configurations. Users are advised to upgrade to the latest version to avoid these issues and enhance overall security.

Affected Version(s)

Text::Minify::XS v0.3.0

References

https://github.com/robrwo/Text-Minify-XS/security/advisor...
vendor-advisory
https://metacpan.org/release/RRWO/Text-Minify-XS-v0.7.8/c...
release-notes

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.