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TI-2026-60226 Aliases CVE-2026-88832GHSA-hqw2-f49w-7w56

Busybox: busybox: romfs volume id parsing performs unbounded memcpy into fixed-size label buffer, causing heap overflow

Priority LOW 33CWE-787Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-787 and the CVSS impact.

Summary

BusyBox romfs volume ID parsing uses unbounded strlen on attacker-controlled metadata, causing a heap buffer overflow when processing crafted filesystem images.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00131 2nd percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

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

Affected products

VendorProductAffected versionsFixed inStatusSource
Red HatRed Hat Hardened Images—1.37.0-9.1.hum1Patch availableCNA
  • Red Hat Hardened Images VendorRed Hat Affected — Fixed in 1.37.0-9.1.hum1 Patch available CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:/a:redhat:hummingbird:11—Red Hat
  • cpe:/a:redhat:hummingbird:1 Versions 1 — ·Red Hat

Remediation

Red Hat 1 advisory

  • RHSA-2026:72111 Released 2026-09-25 · Red Hat rating Important
    Red Hat Hardened Images RPMs Security Update
    • Red Hat Hardened Images busybox-1:1.37.0-9.1.hum1@aarch64, busybox-1:1.37.0-9.1.hum1@src, busybox-1:1.37.0-9.1.hum1@x86_64 +4

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Red Hat Hardened Images — RHSA-2026:72111

    5 records Highest priority Priority LOW 5 LOW

    Other records, highest priority first

    • TI-2026-60229 Busybox: busybox: passwd/group parser writes heap pointers out of bounds due to stale tokenize() endpointPriority LOW 30
    • TI-2026-60225 Busybox: busybox: httpd silently fails open when ip deny rules contain invalid cidr prefix lengthsPriority LOW 30
    • TI-2026-60228 Busybox: busybox: httpd misidentifies yescrypt password hashes as plaintext, inverting authenticationPriority LOW 29
    Show all 5 records → Advisory →

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Hardened ImagesFixed RHSA-2026:72111

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-88832
  2. 2026-10-03 Alias added: GHSA-hqw2-f49w-7w56

References

Advisory 1

Other 2

  • TI-2019-15875 Protection mechanism failure in Jenkins Pipeline: Groovy Plugin KEVCVSS 3.1CRITICAL 9.9
  • TI-2019-15874 Protection mechanism failure in Jenkins Script Security Plugin KEVCVSS 3.1CRITICAL 9.9
  • TI-2019-08259 Underflow in PHP-FPM can lead to RCE KEVCVSS 3.1CRITICAL 9.8
  • TI-2019-05363 Code injection in Elastic Kibana KEVCVSS 3.1CRITICAL 10.0
  • TI-2019-03949 Out-of-bounds write in ESXi and Horizon DaaS KEVCVSS 3.1CRITICAL 9.8
  • TI-2018-16080 A code execution vulnerability exists in the Stapler web framework used by Jenkins 2.153… KEVCVSS 3.1CRITICAL 9.8
See all 7413 →

Sources

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