ESSA-2026:0183

Vulnerability from csaf_opensuse - Published: 2026-09-25 06:56 - Updated: 2026-09-27 10:57
Summary
Important: perl-DBI:1.641 security update
Severity
Moderate
Notes
Title of the patch: Important: perl-DBI:1.641 security update
Description of the patch: The perl-DBI package provides the standard database interface module for the Perl programming language. It implements a database-independent interface, meaning it defines a consistent set of methods, variables, and conventions for database operations. Security Fix(es): perl-DBI: DBI for Perl: Heap out-of-bounds write via unvalidated numeric placeholder (CVE-2026-73194)
Patchnames: ESSA-2026:0183
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
CVE-2026-73194
Affected products
Product Identifier Version Remediation
Unresolved product id: SUSE Liberty Linux 8:perl-DBI-0:1.641-10.module+el8.10.0+24875+7c5253dc.x86_64::perl-DBI:1.641 —
Vendor Fix
Threats
Impact moderate
References
To clipboard 

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      ],
      "notes": [
        {
          "category": "general",
          "text": "DBI versions before 1.652 for Perl allow a heap out-of-bounds write via an unvalidated numeric placeholder that sets the binder counter in preparse.\n\npreparse reserves seven output bytes per input byte, the width of the longest \u0027:p99999\u0027 expansion. The \u0027:N\u0027 branch parses the number with `atoi(src)` and assigns it to the binder counter with no range check, so a statement containing \u0027:2147483648\u0027 leaves the counter negative (-2147483648 with glibc, where atoi wraps). Each following \u0027?\u0027 then expands through `sprintf(start, \":p%d\", idx++)` to \u0027:p-2147483648\u0027, 14 bytes with the terminating NUL where the buffer budgets 7. The placeholder limit added in 1.650 tests the counter against 99,999, which a negative counter passes.\n\nAny caller that preparses an untrusted statement into \u0027:pN\u0027 style placeholders gets a heap out-of-bounds write that grows with the number of \u0027?\u0027 marks following the poisoned placeholder. The \u0027?\u0027 and \u0027%s\u0027 return styles compare the parsed number against the expected sequence and error out, and are unaffected.",
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}



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