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Highest advisory severityHigh 1 vendor · 1 advisory

CVE-2026-14662

CVE-2026-14662: 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 severityHigh8.8

    High [CVE-2026-14662] Arbitrary code execution via integer wraparound in tsvector and tsquery functions

    CVE-2026-14662Source published Source updated

    Integer wraparound in PostgreSQL tsvector and tsquery data type functions allows an unprivileged database user to cause the server to undersize an allocation and write out-of-bounds, via crafted large inputs. This may execute arbitrary code as the operating system user running the database. These types are typically sourced from application logic, not taken from the application's user. Hence, application users attacking the database, through the application as a conduit, are unlikely. CVE-2026-6473 had fixed similar problems. Versions before PostgreSQL 18.5, 17.11, 16.15, 15.19, and 14.24 are affected. A flaw was found in PostgreSQL. While direct exploitation by application users is considered unlikely as these functions are typically used by application logic, the flaw could still be…

    Affected products in this advisory
    • Red Hat Enterprise Linux 10.0 Extended Update Support
    • Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
    • Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
    • Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support

    12 more entries in the full advisory.

    Source-reported affected versions
    • < 18.5
    • < 17.11
    • < 16.15
    • < 15.19

    1 more entries in the full advisory.

    Source-reported fixed versions
    • postgresql18-0:18.6-1.el10_2
    • postgresql16-0:16.15-1.el10_2
    • postgresql16-0:16.15-1.el10_0
    • postgresql:16-8100020260910192321.489197e6

    40 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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