What’s Vulnerable › Vulnerabilities

CVE-2023-50268: jq has stack-based buffer overflow in decNaNs

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-12-13 · updated 2026-06-17
• Weakness: CWE-120

Description

jq is a command-line JSON processor. Version 1.7 is vulnerable to stack-based buffer overflow in builds using decNumber. Version 1.7.1 contains a patch for this issue.

Affected products

• jqlang jq: 1.7

References

• http://www.openwall.com/lists/oss-security/2023/12/15/10
• https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=64771
• https://github.com/jqlang/jq/commit/c9a51565214eece8f1053089739aea73145bfd6b
• https://github.com/jqlang/jq/pull/2804
• https://github.com/jqlang/jq/security/advisories/GHSA-7hmr-442f-qc8j
• http://www.openwall.com/lists/oss-security/2023/12/15/10
• https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=64771
• https://github.com/jqlang/jq/commit/c9a51565214eece8f1053089739aea73145bfd6b
• https://github.com/jqlang/jq/pull/2804
• https://github.com/jqlang/jq/security/advisories/GHSA-7hmr-442f-qc8j

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