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TI-2023-22583 Aliases CVE-2023-42364GHSA-qqqj-6rp2-5pw4

A use-after-free vulnerability in BusyBox v.1.36.1 allows attackers to cause a denial of…

Priority MEDIUM 58CWE-416Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Will not fix Red Hat: no fix planned

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-416 and the CVSS impact.

Summary

A use-after-free vulnerability in BusyBox v.1.36.1 allows attackers to cause a denial of service via a crafted awk pattern in the awk.c evaluate function.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00433 37th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Will not fix Red Hat: no fix planned

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
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
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:busybox:busybox:1.36.1:*:*:*:*:*:*:*1.36.1Vulnerablebusybox
  • cpe:2.3:a:busybox:busybox:1.36.1:*:*:*:*:*:*:* Versions 1.36.1 Vulnerable ·busybox

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-42364
  2. 2026-10-03 Alias added: GHSA-qqqj-6rp2-5pw4

References

Exploit 1

  • TI-2016-05394 The recv_and_process_client_pkt function in networking/ntpd.c in busybox allows remote… CVSS 3.1HIGH 7.5
  • TI-2018-15900 Busybox contains a Missing SSL certificate validation vulnerability in The "busybox wget"… CVSS 3.1HIGH 8.1
  • TI-2018-15917 BusyBox project BusyBox wget version prior to commit… CVSS 3.1CRITICAL 9.8
  • TI-2016-01959 Heap-based buffer overflow in the DHCP client (udhcpc) in BusyBox before 1.25.0 allows… CVSS 3.1CRITICAL 9.8
  • TI-2025-37846 BusyBox wget thru 1.3.7 accepted raw CR (0x0D)/LF (0x0A) and other C0 control bytes in… CVSS 3.1MEDIUM 6.5
  • TI-2021-18788 Out-of-bounds read in busybox CVSS 3.1MEDIUM 5.3
See all 44 →

Sources

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