SB20260414159 - Fedora 43 update for libexif

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Main Vulnerability Database SB20260414159

SB20260414159 - Fedora 43 update for libexif

Published: April 14, 2026

Security Bulletin ID SB20260414159
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Out-of-bounds read (CVE-ID: CVE-2026-40386)

The vulnerability allows a remote attacker to cause a denial of service.

The vulnerability exists due to out-of-bounds read in Olympus and Fuji MakerNotes decoders when parsing EXIF data. A remote attacker can supply specially crafted EXIF data to cause a denial of service.


2) Buffer Over-read (CVE-ID: CVE-2026-40385)

The vulnerability allows a remote attacker to cause a denial of service or disclose sensitive information.

The vulnerability exists due to buffer over-read in Nikon MakerNotes processing when decoding or displaying Exif data with MakerNotes on 32-bit systems. A remote attacker can supply specially crafted Exif data to cause a denial of service or disclose sensitive information.

Only 32-bit systems are affected.


Remediation

Install update from vendor's website.

References