CVE-2020-18899

MediumCVSS 6.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-770

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://cwe.mitre.org/data/definitions/789.htmlTechnical Description
https://github.com/Exiv2/exiv2/issues/742Exploit, Issue Tracking, Third Party Advisory
https://security.gentoo.org/glsa/202312-06
https://cwe.mitre.org/data/definitions/789.htmlTechnical Description
https://github.com/Exiv2/exiv2/issues/742Exploit, Issue Tracking, Third Party Advisory
https://security.gentoo.org/glsa/202312-06

Timeline

Published: Aug 19, 2021
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2020

CVE-2020-18907.5A URL validation issue in WhatsApp for Android prior to v2.20.11 and WhatsApp Business for Android prior to v2.20.2 could have caused the re CVE-2020-189003.3A heap-based buffer overflow in the libexe_io_handle_read_coff_optional_header function of libyal libexe before 20181128. NOTE: the vendor h CVE-2020-18919.8A user controlled parameter used in video call in WhatsApp for Android prior to v2.20.17, WhatsApp Business for Android prior to v2.20.7, Wh CVE-2020-189129.8An issue found in Earcms Ear App v.20181124 allows a remote attacker to execute arbitrary code via the uload/index-uplog.php.CVE-2020-189137.5EARCLINK ESPCMS-P8 was discovered to contain a SQL injection vulnerability in the espcms_web/Search.php component via the attr_array paramet CVE-2020-189178.8The plus/search.php component in DedeCMS 5.7 SP2 allows remote attackers to execute arbitrary PHP code via the typename parameter because th CVE-2020-18928.1Insufficient boundary checks when decoding JSON in JSON_parser allows read access to out of bounds memory, potentially leading to informatio CVE-2020-18937.5Insufficient boundary checks when decoding JSON in TryParse reads out of bounds memory, potentially leading to DOS. This issue affects HHVM CVE-2020-18948.8A stack write overflow in WhatsApp for Android prior to v2.20.35, WhatsApp Business for Android prior to v2.20.20, WhatsApp for iPhone prior CVE-2020-18957.8A large heap overflow could occur in Instagram for Android when attempting to upload an image with specially crafted dimensions. This affect CVE-2020-18969.8A stack overflow vulnerability in Facebook Hermes 'builtin apply' prior to commit 86543ac47e59c522976b5632b8bf9a2a4583c7d2 (https://github.c CVE-2020-189648.8Cross Site Request Forgery (CSRF) Vulnerability in ForestBlog latest version via the website Management background, which could let a remote