Vulnerability · Published Apr 27, 2026 · Assigned by CPANSec
CVE-2026-7040Text::Minify::XS versions from 0.3.0 before 0.7.8 for Perl have heap overflow when processing some malformed UTF-8 characters
High 7.5
In plain English
A high-severity heap buffer overflow in Text::Minify::XS from RRWO. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 38% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.4%top 61.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| RRWO | Text::Minify::XS | 0.3.0 – before 0.7.8 |
Weakness: CWE-176, CWE-122 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H