CVE-2021-34334 MEDIUM

CVE-2021-34334: Denial of service due to integer overflow in loop counter

Vendor Exiv2
Product exiv2
Weakness CWE-835
Published August 9, 2021
Last update August 4, 2024

CVSS base score

5.5/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. An infinite loop is triggered when Exiv2 is used to read the metadata of a crafted image file. An attacker could potentially exploit the vulnerability to cause a denial of service, if they can trick the victim into running Exiv2 on a crafted image file. The bug is fixed in version v0.27.5.

Key dates

02Disclosure timeline

August 9, 2021 CVE published
August 4, 2024 Record updated