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postgresql: PostgreSQL: Credential recovery via covert timing channel in MD5 password comparison

🗓️ 17 Jun 2026 11:59:18Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 7 Views

Covert timing channel in hash based password check enables remote credential recovery for PostgreSQL with old hashes.

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-2026-6478
14 May 202613:00
–attackerkb
Tenable Nessus		Amazon Linux 2023 : libpq, libpq-devel (ALAS2023-2026-1711)
28 May 202600:00
–nessus
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 : libpq, --advisory ALAS2POSTGRESQL14-2026-023 (ALASPOSTGRESQL14-2026-023)
8 Jun 202600:00
–nessus
Tenable Nessus		Amazon Linux 2 : postgresql, --advisory ALAS2POSTGRESQL14-2026-024 (ALASPOSTGRESQL14-2026-024)
8 Jun 202600:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.8ppc64lepg_repack1.4.8-1.module+el8.8.0+17071+aaaceaa4pg_repack-1.4.8-1.module+el8.8.0+17071+aaaceaa4.ppc64le.rpm
Red Hat Enterprise Linux8.8x86_64pg_repack1.4.8-1.module+el8.8.0+17071+aaaceaa4pg_repack-1.4.8-1.module+el8.8.0+17071+aaaceaa4.x86_64.rpm
Red Hat Enterprise Linux8.8ppc64lepg_repack-debuginfo1.4.8-1.module+el8.8.0+17071+aaaceaa4pg_repack-debuginfo-1.4.8-1.module+el8.8.0+17071+aaaceaa4.ppc64le.rpm
Red Hat Enterprise Linux8.8x86_64pg_repack-debuginfo1.4.8-1.module+el8.8.0+17071+aaaceaa4pg_repack-debuginfo-1.4.8-1.module+el8.8.0+17071+aaaceaa4.x86_64.rpm
Red Hat Enterprise Linux8.8ppc64lepg_repack-debugsource1.4.8-1.module+el8.8.0+17071+aaaceaa4pg_repack-debugsource-1.4.8-1.module+el8.8.0+17071+aaaceaa4.ppc64le.rpm
Red Hat Enterprise Linux8.8x86_64pg_repack-debugsource1.4.8-1.module+el8.8.0+17071+aaaceaa4pg_repack-debugsource-1.4.8-1.module+el8.8.0+17071+aaaceaa4.x86_64.rpm
Red Hat Enterprise Linux8.8ppc64lepgaudit1.7.0-1.module+el8.8.0+17071+aaaceaa4pgaudit-1.7.0-1.module+el8.8.0+17071+aaaceaa4.ppc64le.rpm
Red Hat Enterprise Linux8.8x86_64pgaudit1.7.0-1.module+el8.8.0+17071+aaaceaa4pgaudit-1.7.0-1.module+el8.8.0+17071+aaaceaa4.x86_64.rpm
Red Hat Enterprise Linux8.8ppc64lepgaudit-debuginfo1.7.0-1.module+el8.8.0+17071+aaaceaa4pgaudit-debuginfo-1.7.0-1.module+el8.8.0+17071+aaaceaa4.ppc64le.rpm
Red Hat Enterprise Linux8.8x86_64pgaudit-debuginfo1.7.0-1.module+el8.8.0+17071+aaaceaa4pgaudit-debuginfo-1.7.0-1.module+el8.8.0+17071+aaaceaa4.x86_64.rpm
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09 Jul 2026 11:55Current
5.5Medium risk
Vulners AI Score5.5
CVSS 3.18.2
EPSS0.00558
SSVC
CWE-385
PostgreSQLhash based passwordtiming channelcredential recoveryremote accessolder upgrades
7