Out-of-bounds read in Exiv2 - CVE-2026-68547
Published: August 31, 2026
Vulnerability identifier: #VU146331
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-68547
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists due to an out-of-bounds read in RemoteIo::Impl::populateBlocks in the RemoteIo class when reading a block-aligned remote CRW file from a URL. A remote attacker can supply a specially crafted remote CRW file to disclose sensitive information.
The issue is triggered only when Exiv2 is run on a URL rather than a local file.
Affected software
Exiv2
How to mitigate CVE-2026-68547
Install security update from vendor's website.
Exiv2 - update to 0.28.9