Detections
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AlmaLinux 8 : postgresql:16 (ALSA-2026:69876)
high Nessus Plugin ID 348809
Synopsis
The remote AlmaLinux host is missing one or more security updates.Description
The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:69876 advisory.* postgresql: PostgreSQL: Arbitrary code execution via integer wraparound in tsvector and tsquery functions (CVE-2026-14662)
* postgresql: PostgreSQL: Arbitrary code execution via untrusted data inclusion in pg_dump (CVE-2026-18408)
* postgresql: PostgreSQL psql: Arbitrary command execution via untrusted data in COPY FROM STDIN (CVE-2026-6464)
* postgresql: PostgreSQL: Arbitrary code execution via logical decoding plugin (CVE-2026-6471)
* postgresql: PostgreSQL: Arbitrary code execution via type confusion with internal arguments (CVE-2026-14680)
* postgresql: PostgreSQL: Arbitrary code execution via heap buffer overflow in regexp (CVE-2026-14664)
* postgresql: pltcl: plperl: PostgreSQL: Arbitrary code execution in 32-bit pltcl and plperl (CVE-2026-14677)
* postgresql-fuzzystrmatch: PostgreSQL fuzzystrmatch: Arbitrary code execution via integer wraparound (CVE-2026-15742)
* postgresql: PostgreSQL: Arbitrary code execution via type confusion in cursor lifecycle (CVE-2026-16239)
* postgresql: PostgreSQL: Arbitrary code execution via long POSIX timezone abbreviation (CVE-2026-14669)
* postgresql: PostgreSQL: Stack buffer overflow via OUT parameter count manipulation (CVE-2026-14679)
* postgresql: PostgreSQL: Arbitrary code execution via type confusion in 'refint' module (CVE-2026-14671)
* postgresql: PostgreSQL: Arbitrary code execution via plperl tied hash heap buffer overflow (CVE-2026-14670)
* postgresql: PostgreSQL: Information disclosure via type confusion in ctid selectivity estimator (CVE-2026-14668)
* postgresql: PostgreSQL pg_dump: Arbitrary code execution via crafted transform lists (CVE-2026-19385)
* postgresql: PostgreSQL: Privilege escalation via SQL injection in EXTRACT() deparse (CVE-2026-15741)
Tenable has extracted the preceding description block directly from the AlmaLinux security advisory.
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Update the affected packages.See Also
Plugin Details
Severity: High
ID: 348809
File Name: alma_linux_ALSA-2026-69876.nasl
Version: 1.1
Type: Local
Family: Alma Linux Local Security Checks
Published: 9/22/2026
Updated: 9/22/2026
Supported Sensors: Continuous Assessment, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: High
Score: 7.9
Percentile: 99.36
CVSS v2
Risk Factor: Critical
Base Score: 10
Temporal Score: 7.8
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
CVSS Score Source: CVE-2026-18408
CVSS v3
Risk Factor: High
Base Score: 8.8
Temporal Score: 7.9
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
CVSS Score Source: CVE-2026-19385
Vulnerability Information
CPE: cpe:/o:alma:linux:8, cpe:/o:alma:linux:8::appstream, cpe:/o:alma:linux:8::baseos, cpe:/o:alma:linux:8::highavailability, cpe:/o:alma:linux:8::nfv, cpe:/o:alma:linux:8::powertools, cpe:/o:alma:linux:8::realtime, cpe:/o:alma:linux:8::resilientstorage, cpe:/o:alma:linux:8::sap, cpe:/o:alma:linux:8::sap_hana, cpe:/o:alma:linux:8::supplementary, p-cpe:/a:alma:linux:pg_repack, p-cpe:/a:alma:linux:pgaudit, p-cpe:/a:alma:linux:postgres-decoderbufs, p-cpe:/a:alma:linux:postgresql-contrib, p-cpe:/a:alma:linux:postgresql-docs, p-cpe:/a:alma:linux:postgresql-plperl, p-cpe:/a:alma:linux:postgresql-plpython3, p-cpe:/a:alma:linux:postgresql-pltcl, p-cpe:/a:alma:linux:postgresql-private-devel, p-cpe:/a:alma:linux:postgresql-private-libs, p-cpe:/a:alma:linux:postgresql-server-devel, p-cpe:/a:alma:linux:postgresql-server, p-cpe:/a:alma:linux:postgresql-static, p-cpe:/a:alma:linux:postgresql-test-rpm-macros, p-cpe:/a:alma:linux:postgresql-test, p-cpe:/a:alma:linux:postgresql-upgrade-devel, p-cpe:/a:alma:linux:postgresql-upgrade, p-cpe:/a:alma:linux:postgresql
Required KB Items: Host/local_checks_enabled, Host/AlmaLinux/release, Host/AlmaLinux/rpm-list, Host/cpu
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 9/22/2026
Vulnerability Publication Date: 8/13/2026
Reference Information
CVE: CVE-2026-14662, CVE-2026-14664, CVE-2026-14668, CVE-2026-14669, CVE-2026-14670, CVE-2026-14671, CVE-2026-14677, CVE-2026-14679, CVE-2026-14680, CVE-2026-15741, CVE-2026-15742, CVE-2026-16239, CVE-2026-18408, CVE-2026-19385, CVE-2026-6464, CVE-2026-6471