PT-2023-24956 · Hjson · Hjson

Poppingsnack · CVE-2023-34620 · Published 2023-06-14 · Updated 2026-07-30

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions hjson versions 3.0.0 and earlier

Description An issue in hjson allows attackers to cause a denial of service or other unspecified impacts via crafted objects that use cyclic dependencies or have deeply nested structures.

Recommendations For hjson versions 3.0.0 and earlier, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Corruption

Uncontrolled Recursion

Resource Exhaustion

Weakness Enumeration

CWE-787

CWE-674

CWE-400

Related Identifiers

CVE-2023-34620

GHSA-5WFC-HJRC-GQ87

GO-2026-5157

OPENSUSE-SU-2026:21483-1

Affected Products

Hjson

References · 1747

• 🔥 https://github.com/hjson/hjson-java/issues/24 · Exploit
• https://osv.dev/vulnerability/GHSA-5wfc-hjrc-gq87 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-34620 · Security Note
• https://osv.dev/vulnerability/CVE-2023-34620 · Vendor Advisory
• https://osv.dev/vulnerability/GO-2026-5157 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2026:21483-1 · Vendor Advisory
• https://github.com/hjson/hjson-go/commit/326599cebc6ef759892f473bf1439b98466a99fa · Note
• https://github.com/hjson/hjson-go/pull/67 · Note
• https://github.com/hjson/hjson-php/pull/45 · Note
• https://github.com/hjson/hjson-php/commit/2d1b8b4b158a8d841f3a228f267c7cd84fe5a4fa · Note
• https://github.com/hjson/hjson-cpp/pull/54 · Note
• https://suse.com/security/cve/CVE-2025-65797 · Note
• https://suse.com/security/cve/CVE-2026-44427 · Note
• https://suse.com/security/cve/CVE-2026-27589 · Note
• https://suse.com/security/cve/CVE-2026-7736 · Note