Detections
Analytics

Oracle Linux 9 : libpng (ELSA-2026-28255)

high Nessus Plugin ID 322985

Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-28255 advisory.

 - fix CVE-2026-33416: use-after-free via pointer aliasing in png_set_tRNS and png_set_PLTE (RHEL-161448)

Tenable has extracted the preceding description block directly from the Oracle Linux 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 libpng and / or libpng-devel packages.

See Also

https://linux.oracle.com/errata/ELSA-2026-28255.html

Plugin Details

Severity: High

ID: 322985

File Name: oraclelinux_ELSA-2026-28255.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 6/26/2026

Updated: 6/26/2026

Supported Sensors: Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, tenable_cloud_security, tenable_self_hosted_container_security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 7

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:C

CVSS Score Source: CVE-2026-33636

CVSS v3

Risk Factor: High

Base Score: 7.6

Temporal Score: 6.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:oracle:linux:9:8:baseos_patch, p-cpe:/a:oracle:linux:libpng, cpe:/o:oracle:linux:9, p-cpe:/a:oracle:linux:libpng-devel

Required KB Items: Host/OracleLinux, Host/RedHat/release, Host/RedHat/rpm-list, Host/local_checks_enabled

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/23/2026

Vulnerability Publication Date: 3/10/2026

Reference Information

CVE: CVE-2026-33416, CVE-2026-33636

IAVA: 2026-A-0272-S