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 minify_utf8 function is an alias for minify.
Vulnerability class: Buffer Overflow
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.007 (52.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.007 · change: +0.003
Affected products
- Rrwo Text\ — versions \
- Rrwo Text::minify::xs — versions 0.3.0
- Rrwo Text\:\:minify\:\:xs
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.