What is CVE-2026-7040?

CVE-2026-7040 is a high-severity vulnerability in Rrwo Text\, classified under Heap-based Buffer Overflow. CVSS score: 7.5/10. Published 2026-04-27.

How severe is CVE-2026-7040?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in Rrwo Text\

CVE-2026-7040

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 m…

Vulnerability class: Buffer Overflow

EPSS: 0.001 (17.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Rrwo Text\ — versions \
Rrwo Text::minify::xs — versions 0.3.0

Weakness classification (CWE)

References

9b29abf9-4ab0-4765-b253-1875cd9b441e (vendor-advisory, Third Party Advisory)
9b29abf9-4ab0-4765-b253-1875cd9b441e (release-notes, Product, Release Notes)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2026-7040?: CVE-2026-7040 is a high-severity vulnerability in Rrwo Text\, classified under Heap-based Buffer Overflow. CVSS score: 7.5/10. Published 2026-04-27.
How severe is CVE-2026-7040?: High severity. CVSS v3 base score is 7.5 out of 10.