Description
DBI versions before 1.650 for Perl read one byte out-of-bounds in preparse when deleting an initial SQL comment. The preparse method normalises SQL and removes comments. When the SQL starts with a comment line, the deletion of that line during normalisation led to an out-of-bounds read by one byte. The result is a fault on memory-hardened builds and nondeterministic newline retention on normal builds.
References
- www.cve.org/CVERecord ↗
- nvd.nist.gov/vuln/detail/CVE-2026-14740 ↗
- github.com/perl5-dbi/dbi/commit/fc16f9e8b3dd5c65caf1867781ab2bfe2fadcc01.patch ↗
- github.com/perl5-dbi/dbi/security/advisories/GHSA-35f4-f8m9-w8xg ↗
- metacpan.org/release/HMBRAND/DBI-1.650/changes ↗
- www.openwall.com/lists/oss-security/2026/07/07/17 ↗
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