CVE-2026-7040: CWE-176 Improper Handling of Unicode Encoding in RRWO Text::Minify::XS
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.
AI Analysis
Technical Summary
Text::Minify::XS versions 0.3.0 up to but not including 0.7.8 contain a heap overflow vulnerability due to improper handling of malformed UTF-8 characters in its minify functions. The minify_utf8 function is an alias for minify, so it is also affected. This vulnerability is classified under CWE-176 (Improper Handling of Unicode Encoding) and CWE-122 (Heap-based Buffer Overflow). The heap overflow occurs when processing certain malformed UTF-8 input, leading to heap corruption.
Potential Impact
The vulnerability does not affect confidentiality or integrity directly but has a high impact on availability due to the heap overflow causing heap corruption. This can lead to application crashes or denial of service. No known exploits in the wild have been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should avoid processing untrusted or malformed UTF-8 input with the affected versions of Text::Minify::XS. Monitoring for updates from the RRWO project or CPAN security advisories is recommended.
CVE-2026-7040: CWE-176 Improper Handling of Unicode Encoding in RRWO Text::Minify::XS
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.
CVSS v3.1
Score 7.5high
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Text::Minify::XS versions 0.3.0 up to but not including 0.7.8 contain a heap overflow vulnerability due to improper handling of malformed UTF-8 characters in its minify functions. The minify_utf8 function is an alias for minify, so it is also affected. This vulnerability is classified under CWE-176 (Improper Handling of Unicode Encoding) and CWE-122 (Heap-based Buffer Overflow). The heap overflow occurs when processing certain malformed UTF-8 input, leading to heap corruption.
Potential Impact
The vulnerability does not affect confidentiality or integrity directly but has a high impact on availability due to the heap overflow causing heap corruption. This can lead to application crashes or denial of service. No known exploits in the wild have been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should avoid processing untrusted or malformed UTF-8 input with the affected versions of Text::Minify::XS. Monitoring for updates from the RRWO project or CPAN security advisories is recommended.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- CPANSec
- Date Reserved
- 2026-04-25T15:53:43.870Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69ef5dd8ba26a39fba258f3f
Added to database: 4/27/2026, 1:00:08 PM
Last enriched: 5/5/2026, 2:10:21 AM
Last updated: 6/11/2026, 6:29:33 PM
Views: 98
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