RHSA-2026:26292 - Security Advisory

Topic

An update for libexif is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

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

Security Fix(es):

• 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)

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.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

• Red Hat Enterprise Linux for x86_64 - Extended Life Cycle Long Life 8.4 x86_64
• Red Hat Enterprise Linux Server - AUS 8.4 x86_64

Fixes

• BZ - 2457687 - CVE-2026-40385 libexif: libexif: Information disclosure and crashes via integer overflow in Nikon MakerNote handling
• BZ - 2457689 - CVE-2026-40386 libexif: libexif: Denial of Service and information disclosure via integer underflow in MakerNote decoding

CVEs

• CVE-2026-40385
• CVE-2026-40386

References

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