CVE-2020-18899

MEDIUM

Exiv2 0.27 - Denial of Service via Uncontrolled Memory Allocation in DataBuf Function

Title source: llm
STIX 2.1

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 (3)

Core 3
Core References
Third Party Advisory vendor-advisory
https://security.gentoo.org/glsa/202312-06
Exploit, Issue Tracking, Third Party Advisory
https://github.com/Exiv2/exiv2/issues/742

Scores

CVSS v3 6.5
EPSS 0.0166
EPSS Percentile 73.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-770
Status published
Products (1)
exiv2/exiv2 0.27
Published Aug 19, 2021
Tracked Since Feb 18, 2026