jq has heap-buffer-overflow vulnerability in the function decToString in decNumber.c (jqlang jq)

CVE-2023-50246

MEDIUM 6.2

At a glance

Source: NVD
EPSS: EPSS 0.51 % · percentile 43 (2026-10-30)
State: PUBLISHED
Published: 2023-12-13 20:43 UTC
Updated: 2025-02-13 17:19 UTC
Assigner: GitHub_M
NVD status: Analyzed

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Description

jq is a command-line JSON processor. Version 1.7 is vulnerable to heap-based buffer overflow. Version 1.7.1 contains a patch for this issue.

Weaknesses (CWE)

CWE-122 — Heap-based Buffer Overflow
CWE-120 — Buffer Copy without Checking Size of Input
CWE-787 — Out-of-bounds Write

References

Scores

Version	Score	Vector	Scored by
CVSS 3.1	MEDIUM 6.2	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	GitHub_M
CVSS 3.1	MEDIUM 6.2	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	NVD · security-advisories@github.com (Secondary)
CVSS 3.1	MEDIUM 5.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	NVD · nvd@nist.gov (Primary)

European references

ENISA EUVD · EUVD-2023-55064
GCVE · GCVE-0-2023-50246

Affected configurations (NVD CPE)

cpe:2.3:a:jqlang:jq:1.7:-:*:*:*:*:*:*
cpe:2.3:a:jqlang:jq:1.7:rc1:*:*:*:*:*:*
cpe:2.3:a:jqlang:jq:1.7:rc2:*:*:*:*:*:*

Affected products

Product	Versions
jqlang · jq	affected = 1.7

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD