CVE-2020-18899

MEDIUM EPSS 73.8%
Published Aug 19, 20214y ago · Modified Jun 17, 20262w ago
6.5 CVSS 3.1
Medium
Find Similar
Published Aug 19, 2021 4y ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
6.5
Exploitability
2.8
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
73.8% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-770

Affected Products 1

VendorProductVersionRange
exiv2exiv20.27any

References 3

  • cwe.mitre.org https://cwe.mitre.org/data/definitions/789.html
    Technical Description
  • github.com https://github.com/Exiv2/exiv2/issues/742
    ExploitIssue TrackingThird Party Advisory
  • security.gentoo.org https://security.gentoo.org/glsa/202312-06

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.