What’s Vulnerable › Vulnerabilities

CVE-2023-50246: jq has heap-buffer-overflow vulnerability in the function decToString in decNumber.c

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% 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 heap-based buffer overflow. Version 1.7.1 contains a patch for this issue.

Affected products

• jqlang jq: 1.7, 1.7-rc1, 1.7-rc2

References

• http://www.openwall.com/lists/oss-security/2023/12/15/10
• https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=64574
• https://github.com/jqlang/jq/commit/71c2ab509a8628dbbad4bc7b3f98a64aa90d3297
• https://github.com/jqlang/jq/security/advisories/GHSA-686w-5m7m-54vc
• http://www.openwall.com/lists/oss-security/2023/12/15/10
• https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=64574
• https://github.com/jqlang/jq/commit/71c2ab509a8628dbbad4bc7b3f98a64aa90d3297
• https://github.com/jqlang/jq/security/advisories/GHSA-686w-5m7m-54vc

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