CVE-2020-18899

medium

Description

An uncontrolled memory allocation in DataBufdata(subBox.length-sizeof(box)) function of Exiv2 0.27 allows attackers to cause a denial of service (DOS) via a crafted input.

References

https://security.gentoo.org/glsa/202312-06

https://github.com/Exiv2/exiv2/issues/742

https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-0074

https://cwe.mitre.org/data/definitions/789.html

Details

Source: Mitre, NVD

Published: 2021-08-19

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 6.5

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