RHEL 10 : libexif (RHSA-2026:22529)

high Nessus Plugin ID 319502

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-2026:22529 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-2026:22529.

See Also

https://access.redhat.com/security/updates/classification/#moderate

https://bugzilla.redhat.com/show_bug.cgi?id=2457689

http://www.nessus.org/u?f0582b30

https://access.redhat.com/errata/RHSA-2026:22529

Plugin Details

Severity: High

ID: 319502

File Name: redhat-RHSA-2026-22529.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 6/6/2026

Updated: 6/6/2026

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, 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, p-cpe:/a:redhat:enterprise_linux:libexif-doc, p-cpe:/a:redhat:enterprise_linux:libexif-devel, cpe:/o:redhat:enterprise_linux:10.2

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: 6/3/2026

Vulnerability Publication Date: 4/12/2026

Reference Information

CVE: CVE-2026-40386

CWE: 191

RHSA: 2026:22529