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TI-2023-27474 Aliases CVE-2023-50246

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

Priority LOW 28CWE-120Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00508 43rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
jqlangjq= 1.7—No fix listedCNA
  • jq Vendorjqlang Affected = 1.7 Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:jqlang:jq:1.7:-:*:*:*:*:*:*1.7Vulnerablejqlang
cpe:2.3:a:jqlang:jq:1.7:rc1:*:*:*:*:*:*1.7 rc1Vulnerablejqlang
cpe:2.3:a:jqlang:jq:1.7:rc2:*:*:*:*:*:*1.7 rc2Vulnerablejqlang
  • cpe:2.3:a:jqlang:jq:1.7:-:*:*:*:*:*:* Versions 1.7 Vulnerable ·jqlang
  • cpe:2.3:a:jqlang:jq:1.7:rc1:*:*:*:*:*:* Versions 1.7 rc1 Vulnerable ·jqlang
  • cpe:2.3:a:jqlang:jq:1.7:rc2:*:*:*:*:*:* Versions 1.7 rc2 Vulnerable ·jqlang

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

Not affected: 3 products
  • Red Hat Ceph Storage 4
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-50246

References

Exploit 1

Patch 2

Other 1

  • TI-2026-24844 jq: Integer overflow in jvp_string_append() allows Heap-based Buffer Overflow CVSS 3.1HIGH 8.2
  • TI-2025-30431 AddressSanitizer: stack-buffer-overflow in jq_fuzz_execute (jv_string_vfmt) CVSS 4.0HIGH 7.7
  • TI-2023-26962 decToString in decNumber/decNumber.c in jq 88f01a7 has a one-byte out-of-bounds write via… CVSS 3.1HIGH 7.5
  • TI-2026-28834 jq: Out-of-Bounds Read in jv_parse_sized() Error Formatting for Non-NUL-Terminated Counted Buffers CVSS 4.0MEDIUM 6.9
  • TI-2024-35799 Type confusion in jqlang jq CVSS 3.1HIGH 8.1
  • TI-2026-36743 jq --rawfile invalid-state reuse after String too long causes heap-buffer-overflow CVSS 3.1HIGH 7.1
See all 21 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences