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CVE-2026-14679

CVE-2026-14679 · PostgreSQL stack buffer overflow in argument match writes 0x0 and 0x1 to server memory

This page contains facts from public vulnerability sources. Check the original advisory before updating.

Stack buffer overflow in PostgreSQL argument name matching allows an object creator to achieve unknown impacts via OUT parameter count. The attack can write only 0x0 and 0x1 bytes. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.

CVSS 8.2 · High · EPSS 0.3% · Fix available

Published
Updated

Stack: system · database

Affected products and versions

  • postgresql

    Versions
    • ≥ 18, < 18.6: Affected (rpm)
    • ≥ 17, < 17.11: Affected (rpm)
    • ≥ 16, < 16.15: Affected (rpm)
    • ≥ 15, < 15.19: Affected (rpm)
    • ≥ 0, < 14.24: Affected (rpm)

    Update to 14.24; Update to 15.19; Update to 16.15; Update to 17.11; Update to 18.6

  • postgresql-15 Debian:12

    Versions
    • 15.10-0+deb12u1
    • 15.11-0+deb12u1
    • 15.12-0+deb12u1
    • 15.12-0+deb12u2
    • 15.13-0+deb12u1
    • 15.14-0+deb12u1
    • 15.15-0+deb12u1
    • 15.16-0+deb12u1
    • 15.17-0+deb12u1
    • 15.18-0+deb12u1
    • 15.3-0+deb12u1
    • 15.3-1
    • 15.4-0+deb12u1
    • 15.4-1
    • 15.4-2
    • 15.4-3
    • 15.5-0+deb12u1
    • 15.6-0+deb12u1
    • 15.7-0+deb12u1
    • 15.8-0+deb12u1
    • 15.9-0+deb12u1
    Affected ranges
    • ECOSYSTEM: < 15.19-0+deb12u1

    Update to 15.19-0+deb12u1

  • postgresql-17 Debian:13

    Versions
    • 17.10-0+deb13u1
    • 17.5-1
    • 17.6-0+deb13u1
    • 17.6-1
    • 17.7-0+deb13u1
    • 17.8-0+deb13u1
    • 17.9-0+deb13u1
    Affected ranges
    • ECOSYSTEM: < 17.11-0+deb13u1

    Update to 17.11-0+deb13u1

  • postgresql-18 Debian:14

    Versions
    • 18.0-1
    • 18.1-1
    • 18.1-2
    • 18.2-1
    • 18.3-1
    • 18.4-1
    • 18~beta1+20250612-1
    • 18~beta1+20250624-1
    • 18~beta1+20250701-1
    • 18~beta1-1
    • 18~beta2-1
    • 18~beta3-1
    • 18~rc1-1
    • 18~rc1-2
    • 18~rc1-3
    • 18~~devel.20250318+g4078da6c478-1
    • 18~~devel.20250331-1
    • 18~~devel.20250405-1
    • 18~~devel.20250421-1
    • 18~~devel.20250502-1
    Affected ranges
    • ECOSYSTEM: < 18.6-1

    Update to 18.6-1

  • postgresql-9.3 Ubuntu:Pro:14.04:LTS

    Versions
    • 9.3.1-1
    • 9.3.2-1
    • 9.3.2-1ubuntu1
    • 9.3.2-1ubuntu2
    • 9.3.3-1
    • 9.3.3-1bzr1
    • 9.3.3-1bzr2
    • 9.3.4-1
    • 9.3.5-0ubuntu0.14.04.1
    • 9.3.6-0ubuntu0.14.04
    • 9.3.7-0ubuntu0.14.04
    • 9.3.8-0ubuntu0.4.04
    • 9.3.9-0ubuntu0.14.04
    • 9.3.10-0ubuntu0.14.04
    • 9.3.11-0ubuntu0.14.04
    • 9.3.12-0ubuntu0.14.04
    • 9.3.13-0ubuntu0.14.04
    • 9.3.14-0ubuntu0.14.04
    • 9.3.15-0ubuntu0.14.04
    • 9.3.16-0ubuntu0.14.04
    • 9.3.17-0ubuntu0.14.04
    • 9.3.18-0ubuntu0.14.04.1
    • 9.3.19-0ubuntu0.14.04
    • 9.3.20-0ubuntu0.14.04
    • 9.3.21-0ubuntu0.14.04
    • 9.3.22-0ubuntu0.14.04
    • 9.3.23-0ubuntu0.14.04
    • 9.3.24-0ubuntu0.14.04
    • 9.3.24-0ubuntu0.14.04+esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • postgresql-9.5 Ubuntu:Pro:16.04:LTS

    Versions
    • 9.5.0-1
    • 9.5.0-2
    • 9.5.0-3
    • 9.5.1-1
    • 9.5.2-1
    • 9.5.3-0ubuntu0.16.04
    • 9.5.4-0ubuntu0.16.04
    • 9.5.5-0ubuntu0.16.04
    • 9.5.6-0ubuntu0.16.04
    • 9.5.7-0ubuntu0.16.04
    • 9.5.8-0ubuntu0.16.04.1
    • 9.5.9-0ubuntu0.16.04
    • 9.5.10-0ubuntu0.16.04
    • 9.5.11-0ubuntu0.16.04
    • 9.5.12-0ubuntu0.16.04
    • 9.5.13-0ubuntu0.16.04
    • 9.5.14-0ubuntu0.16.04
    • 9.5.16-0ubuntu0.16.04.1
    • 9.5.17-0ubuntu0.16.04.1
    • 9.5.18-0ubuntu0.16.04.1
    • 9.5.19-0ubuntu0.16.04.1
    • 9.5.21-0ubuntu0.16.04.1
    • 9.5.23-0ubuntu0.16.04.1
    • 9.5.24-0ubuntu0.16.04.1
    • 9.5.25-0ubuntu0.16.04.1
    • 9.5.25-0ubuntu0.16.04.1+esm1
    • 9.5.25-0ubuntu0.16.04.1+esm2
    • 9.5.25-0ubuntu0.16.04.1+esm3
    • 9.5.25-0ubuntu0.16.04.1+esm4
    • 9.5.25-0ubuntu0.16.04.1+esm5
    • 9.5.25-0ubuntu0.16.04.1+esm6
    • 9.5.25-0ubuntu0.16.04.1+esm7
    • 9.5.25-0ubuntu0.16.04.1+esm8
    • 9.5.25-0ubuntu0.16.04.1+esm10
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • postgresql-10 Ubuntu:Pro:18.04:LTS

    Versions
    • 10.1-1
    • 10.1-2
    • 10.2-1
    • 10.3-1
    • 10.4-0ubuntu0.18.04
    • 10.5-0ubuntu0.18.04
    • 10.6-0ubuntu0.18.04.1
    • 10.7-0ubuntu0.18.04.1
    • 10.8-0ubuntu0.18.04.1
    • 10.9-0ubuntu0.18.04.1
    • 10.10-0ubuntu0.18.04.1
    • 10.12-0ubuntu0.18.04.1
    • 10.14-0ubuntu0.18.04.1
    • 10.15-0ubuntu0.18.04.1
    • 10.16-0ubuntu0.18.04.1
    • 10.17-0ubuntu0.18.04.1
    • 10.18-0ubuntu0.18.04.1
    • 10.19-0ubuntu0.18.04.1
    • 10.20-0ubuntu0.18.04.1
    • 10.21-0ubuntu0.18.04.1
    • 10.22-0ubuntu0.18.04.1
    • 10.23-0ubuntu0.18.04.1
    • 10.23-0ubuntu0.18.04.2
    • 10.23-0ubuntu0.18.04.2+esm1
    • 10.23-0ubuntu0.18.04.2+esm2
    • 10.23-0ubuntu0.18.04.2+esm3
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • postgresql-12 Ubuntu:20.04:LTS

    Versions
    • 12.0-1
    • 12.1-1
    • 12.1-2build1
    • 12.2-1
    • 12.2-1ubuntu2
    • 12.2-4
    • 12.4-0ubuntu0.20.04.1
    • 12.5-0ubuntu0.20.04.1
    • 12.6-0ubuntu0.20.04.1
    • 12.7-0ubuntu0.20.04.1
    • 12.8-0ubuntu0.20.04.1
    • 12.9-0ubuntu0.20.04.1
    • 12.10-0ubuntu0.20.04.1
    • 12.11-0ubuntu0.20.04.1
    • 12.12-0ubuntu0.20.04.1
    • 12.13-0ubuntu0.20.04.1
    • 12.14-0ubuntu0.20.04.1
    • 12.15-0ubuntu0.20.04.1
    • 12.16-0ubuntu0.20.04.1
    • 12.17-0ubuntu0.20.04.1
    • 12.18-0ubuntu0.20.04.1
    • 12.19-0ubuntu0.20.04.1
    • 12.20-0ubuntu0.20.04.1
    • 12.22-0ubuntu0.20.04.1
    • 12.22-0ubuntu0.20.04.2
    • 12.22-0ubuntu0.20.04.4
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • postgresql-14 Ubuntu:22.04:LTS

    Versions
    • 14.1-1ubuntu1
    • 14.2-1
    • 14.2-1ubuntu1
    • 14.3-0ubuntu0.22.04.1
    • 14.4-0ubuntu0.22.04.1
    • 14.5-0ubuntu0.22.04.1
    • 14.6-0ubuntu0.22.04.1
    • 14.7-0ubuntu0.22.04.1
    • 14.8-0ubuntu0.22.04.1
    • 14.9-0ubuntu0.22.04.1
    • 14.10-0ubuntu0.22.04.1
    • 14.11-0ubuntu0.22.04.1
    • 14.12-0ubuntu0.22.04.1
    • 14.13-0ubuntu0.22.04.1
    • 14.15-0ubuntu0.22.04.1
    • 14.17-0ubuntu0.22.04.1
    • 14.18-0ubuntu0.22.04.1
    • 14.19-0ubuntu0.22.04.1
    • 14.20-0ubuntu0.22.04.1
    • 14.22-0ubuntu0.22.04.1
    • 14.23-0ubuntu0.22.04.1
    Affected ranges
    • ECOSYSTEM: < 14.24-0ubuntu0.22.04.1

    Update to 14.24-0ubuntu0.22.04.1

  • postgresql-16 Ubuntu:24.04:LTS

    Versions
    • 16.0-2
    • 16.1-1
    • 16.1-1build1
    • 16.1-1build3
    • 16.2-1
    • 16.2-1ubuntu2
    • 16.2-1ubuntu3
    • 16.2-1ubuntu4
    • 16.3-0ubuntu0.24.04.1
    • 16.4-0ubuntu0.24.04.1
    • 16.4-0ubuntu0.24.04.2
    • 16.6-0ubuntu0.24.04.1
    • 16.8-0ubuntu0.24.04.1
    • 16.9-0ubuntu0.24.04.1
    • 16.10-0ubuntu0.24.04.1
    • 16.11-0ubuntu0.24.04.1
    • 16.13-0ubuntu0.24.04.1
    • 16.14-0ubuntu0.24.04.1
    Affected ranges
    • ECOSYSTEM: < 16.15-0ubuntu0.24.04.1

    Update to 16.15-0ubuntu0.24.04.1

  • postgresql-18 Ubuntu:26.04:LTS

    Versions
    • 18.0-1
    • 18.1-1
    • 18.1-1ubuntu1
    • 18.1-1ubuntu2
    • 18.1-2
    • 18.3-1
    • 18.4-0ubuntu0.26.04.1
    Affected ranges
    • ECOSYSTEM: < 18.6-0ubuntu0.26.04.1

    Update to 18.6-0ubuntu0.26.04.1

Original sources

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