CVE-2023-34620

HIGH7.5EPSS 0.17%

hjson stack exhaustion vulnerability

Published: 6/14/2023Modified: 6/3/2026

Also known as:GHSA-5wfc-hjrc-gq87CGA-fj73-wpgj-q56v

Description

An issue was discovered hjson through 3.0.0 allows attackers to cause a denial of service or other unspecified impacts via crafted objects that deeply nested structures.

Affected packages (3)

Go/github.com/hjson/hjson-go/v4from 0, < 4.5.0
Maven/org.hjson:hjsonfrom 0, < 3.0.1
Packagist/laktak/hjsonfrom 0, < 2.3.0

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 3.1	HIGH7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References (7)

ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2023-34620
WEBhttps://github.com/hjson/hjson-cpp/pull/54
WEBhttps://github.com/hjson/hjson-go/commit/326599cebc6ef759892f473bf1439b98466a99fa
WEBhttps://github.com/hjson/hjson-go/pull/67
WEBhttps://github.com/hjson/hjson-java/issues/24
WEBhttps://github.com/hjson/hjson-php/commit/2d1b8b4b158a8d841f3a228f267c7cd84fe5a4fa
WEBhttps://github.com/hjson/hjson-php/pull/45