CVE-2026-10879

Summary

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

Details

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.

References

• https://github.com/perl5-dbi/dbi/commit/af79036c07aa9a457971c0f4136e37c85dc20978.patch
• https://metacpan.org/release/HMBRAND/DBI-1.648/changes
• http://www.openwall.com/lists/oss-security/2026/06/06/4