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Highest advisory severityHigh 1 vendor · 1 advisory

CVE-2026-73194

CVE-2026-73194: 1 tracked advisory record across Red Hat. Compare vendor sources and published fix guidance.

Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.

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Vendor advisory comparison

Red Hat

1 advisory
  • Advisory severityHigh7.3

    High [CVE-2026-73194] DBI for Perl: Heap out-of-bounds write via unvalidated numeric placeholder

    CVE-2026-73194Source published Source updated

    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. preparse reserves seven output bytes per input byte, the width of the longest ':p99999' expansion. The ':N' branch parses the number with `atoi(src)` and assigns it to the binder counter with no range check, so a statement containing ':2147483648' leaves the counter negative (-2147483648 with glibc, where atoi wraps). Each following '?' then expands through `sprintf(start, ":p%d", idx++)` to ':p-2147483648', 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. Any caller that preparses an untrusted statement into ':pN' style…

    Affected products in this advisory
    • Red Hat Enterprise Linux 10
    • Red Hat Enterprise Linux 8
    • Red Hat Enterprise Linux 9
    • Red Hat Enterprise Linux 6

    2 more entries in the full advisory.

    Source-reported affected versions
    • < 1.652
    Source-reported fixed versions
    • perl-DBI-0:1.643-26.el10_2.6
    • perl-DBI:1.641-8100020260914073706.69ef70f8
    • perl-DBI-0:1.641-3.el8_10
    • perl-DBI-0:1.643-9.el9_8.6

    4 more entries in the full advisory.

    Mitigation guidance
    • Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
    Full advisory and evidenceOpen source bulletin

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