AlmaLinux 8 : libexif (ALSA-2026:20929)

high Nessus Plugin ID 317116

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-2026:20929 advisory.

* libexif: libexif: Information disclosure and crashes via integer overflow in Nikon MakerNote handling (CVE-2026-40385)
* libexif: libexif: Denial of Service and information disclosure via integer underflow in MakerNote decoding (CVE-2026-40386)

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 libexif and / or libexif-devel packages.

See Also

https://errata.almalinux.org/8/ALSA-2026-20929.html

https://access.redhat.com/errata/RHSA-2026:20929

Plugin Details

Severity: High

ID: 317116

File Name: alma_linux_ALSA-2026-20929.nasl

Version: 1.1

Type: Local

Published: 5/27/2026

Updated: 5/27/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

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:alma:linux:libexif-devel, cpe:/o:alma:linux:8::sap_hana, cpe:/o:alma:linux:8::nfv, cpe:/o:alma:linux:8::highavailability, cpe:/o:alma:linux:8::powertools, cpe:/o:alma:linux:8::realtime, cpe:/o:alma:linux:8::resilientstorage, cpe:/o:alma:linux:8, cpe:/o:alma:linux:8::baseos, p-cpe:/a:alma:linux:libexif, cpe:/o:alma:linux:8::sap, cpe:/o:alma:linux:8::appstream, cpe:/o:alma:linux:8::supplementary

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/26/2026

Vulnerability Publication Date: 4/12/2026

Reference Information

CVE: CVE-2026-40385, CVE-2026-40386

CWE: 190, 191

RHSA: 2026:20929