USN-8531-1: libexif vulnerabilities

It was discovered that libexif had an integer overflow in its MakerNote
decoder when called with a zero-length buffer. An attacker could possibly
use this issue to cause a denial of service or obtain sensitive
information. (CVE-2026-32775)

It was discovered that libexif had an integer overflow in its Nikon
MakerNote handler on 32-bit systems. A local attacker could possibly use
this issue to cause a denial of service or obtain sensitive information.
(CVE-2026-40385)

It was discovered that libexif had an integer underflow in its size
checking for Fuji and Olympus MakerNote decoding. An attacker could
possibly use this issue to cause a denial of service or obtain sensitive
information. (CVE-2026-40386)