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postgresql: integer overflow can cause an undersized allocation and an out-of-bounds write

🗓️ 01 Jul 2026 18:20:34Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 6 Views

PostgreSQL integer overflow allows an unprivileged user to trigger undersized allocations and out-of-bounds writes, risking code execution or denial of service.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: IBM QRadar SIEM is vulnerable to using components with known vulnerabilities
16 Jun 202615:07
–ibm
FreeBSD		PostgreSQL -- Multiple vulnerabilities
14 May 202600:00
–freebsd
ATTACKERKB		CVE-2026-6473
14 May 202613:00
–attackerkb
Tenable Nessus		Amazon Linux 2023 : postgresql17, postgresql17-contrib, postgresql17-llvmjit (ALAS2023-2026-1766)
8 Jun 202600:00
–nessus
Tenable Nessus		Amazon Linux 2023 : postgresql16, postgresql16-contrib, postgresql16-llvmjit (ALAS2023-2026-1767)
8 Jun 202600:00
–nessus
Tenable Nessus		Amazon Linux 2023 : postgresql15, postgresql15-contrib, postgresql15-llvmjit (ALAS2023-2026-1768)
8 Jun 202600:00
–nessus
Tenable Nessus		Amazon Linux 2023 : postgresql18, postgresql18-contrib, postgresql18-llvmjit (ALAS2023-2026-1780)
8 Jun 202600:00
–nessus
Tenable Nessus		Amazon Linux 2 : postgresql, --advisory ALAS2POSTGRESQL14-2026-024 (ALASPOSTGRESQL14-2026-024)
8 Jun 202600:00
–nessus
Tenable Nessus		Alibaba Cloud Linux 3 : 0164: libpq (ALINUX3-SA-2026:0164)
1 Jul 202600:00
–nessus
Tenable Nessus		AlmaLinux 9 : postgresql:16 (ALSA-2026:26203)
2 Jul 202600:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.4x86_64pgaudit0:1.4.0-6.module+el8.4.0+11288+c193d6d7pgaudit-0:1.4.0-6.module+el8.4.0+11288+c193d6d7.x86_64.rpm
Red Hat Enterprise Linux8.4x86_64pgaudit-debuginfo0:1.4.0-6.module+el8.4.0+11288+c193d6d7pgaudit-debuginfo-0:1.4.0-6.module+el8.4.0+11288+c193d6d7.x86_64.rpm
Red Hat Enterprise Linux8.4x86_64pgaudit-debugsource0:1.4.0-6.module+el8.4.0+11288+c193d6d7pgaudit-debugsource-0:1.4.0-6.module+el8.4.0+11288+c193d6d7.x86_64.rpm
Red Hat Enterprise Linux8.4x86_64postgres-decoderbufs0:0.10.0-2.module+el8.4.0+11288+c193d6d7postgres-decoderbufs-0:0.10.0-2.module+el8.4.0+11288+c193d6d7.x86_64.rpm
Red Hat Enterprise Linux8.4x86_64postgres-decoderbufs-debuginfo0:0.10.0-2.module+el8.4.0+11288+c193d6d7postgres-decoderbufs-debuginfo-0:0.10.0-2.module+el8.4.0+11288+c193d6d7.x86_64.rpm
Red Hat Enterprise Linux8.4x86_64postgres-decoderbufs-debugsource0:0.10.0-2.module+el8.4.0+11288+c193d6d7postgres-decoderbufs-debugsource-0:0.10.0-2.module+el8.4.0+11288+c193d6d7.x86_64.rpm
Red Hat Enterprise Linux8.4x86_64postgresql0:12.22-1.module+el8.4.0+24442+74e4dc28.4postgresql-0:12.22-1.module+el8.4.0+24442+74e4dc28.4.x86_64.rpm
Red Hat Enterprise Linux8.4x86_64postgresql-contrib0:12.22-1.module+el8.4.0+24442+74e4dc28.4postgresql-contrib-0:12.22-1.module+el8.4.0+24442+74e4dc28.4.x86_64.rpm
Red Hat Enterprise Linux8.4x86_64postgresql-contrib-debuginfo0:12.22-1.module+el8.4.0+24442+74e4dc28.4postgresql-contrib-debuginfo-0:12.22-1.module+el8.4.0+24442+74e4dc28.4.x86_64.rpm
Red Hat Enterprise Linux8.4x86_64postgresql-debuginfo0:12.22-1.module+el8.4.0+24442+74e4dc28.4postgresql-debuginfo-0:12.22-1.module+el8.4.0+24442+74e4dc28.4.x86_64.rpm
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09 Jul 2026 11:55Current
6.2Medium risk
Vulners AI Score6.2
CVSS 3.18.8
EPSS0.00668
SSVC
CWE-190
postgresqlinteger overflowmemory allocationout-of-bounds-writeunprivileged userarbitrary code executiondenial of service
6