CVE-2020-18652
exempi: denial of service via opening of crafted webp file
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · August 22, 2023
Updated · November 21, 2025
Description
A buffer overflow flaw was found in the exempi package. This issue occurs in WEBP_Support.cpp and may allow remote attackers to cause a denial of service via opening a crafted webp file.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVSS / CWE
CVSS 3.1 · 6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE-787 · Out-of-bounds Write