Vulnerability Description
DBI versions before 1.648 for Perl have a heap overflow when preparsing SQL statements with more than 9 binders. The preparse method expands SQL placeholder characters to numbered binders of the form :pN, but only allocates three characters per binder in the buffer. Placeholders 10-99 require four characters, 100-999 require five characters, et cetera.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Perl | Dbi | < 1.648 |
Related Weaknesses (CWE)
References
- https://github.com/perl5-dbi/dbi/commit/af79036c07aa9a457971c0f4136e37c85dc20978Patch
- https://metacpan.org/release/HMBRAND/DBI-1.648/changesRelease Notes
- http://www.openwall.com/lists/oss-security/2026/06/06/4Mailing ListThird Party Advisory
FAQ
What is CVE-2026-10879?
CVE-2026-10879 is a vulnerability with a CVSS score of 9.8 (CRITICAL). DBI versions before 1.648 for Perl have a heap overflow when preparsing SQL statements with more than 9 binders. The preparse method expands SQL placeholder characters to numbered binders of the form...
How severe is CVE-2026-10879?
CVE-2026-10879 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-10879?
Check the references section above for vendor advisories and patch information. Affected products include: Perl Dbi.