RHEL 10 : libexif (RHSA-2026:26274)

high Nessus Plugin ID 321167

Synopsis

The remote Red Hat host is missing a security update for libexif.

Description

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:26274 advisory.

The libexif packages provide a library for extracting extra information from image files.

Security Fix(es):

* libexif: libexif: Denial of Service and information disclosure via integer underflow in MakerNote decoding (CVE-2026-40386)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL libexif package based on the guidance in RHSA-2026:26274.

Plugin Details

Severity: High

ID: 321167

File Name: redhat-RHSA-2026-26274.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Red Hat Local Security Checks

Published: 6/16/2026

Updated: 6/16/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Medium

Base Score: 6.2

Temporal Score: 4.6

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

CVSS Score Source: CVE-2026-40386

CVSS v3

Risk Factor: High

Base Score: 7.1

Temporal Score: 6.2

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

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:libexif, cpe:/o:redhat:enterprise_linux:10, cpe:/o:redhat:enterprise_linux_eus:10.0, p-cpe:/a:redhat:enterprise_linux:libexif-devel, p-cpe:/a:redhat:enterprise_linux:libexif-doc

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

Exploit Ease: No known exploits are available

Patch Publication Date: 6/16/2026

Vulnerability Publication Date: 4/12/2026

Reference Information

CVE: CVE-2026-40386

CWE: 191

RHSA: 2026:26274

Detections

Analytics