{"id":"CVE-2026-88832","title":"BusyBox romfs volume ID parsing uses unbounded strlen on attacker-controlled metadata, causing a heap buffer overflow when processing crafted filesystem images.","summary":"BusyBox romfs volume ID parsing uses unbounded strlen on attacker-controlled metadata, causing a heap buffer overflow when processing crafted filesystem images.","severity":"high","cvss":7.3,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","cwe":["CWE-787"],"vendor":"Red Hat","product":"busybox-main","affected":["busybox-main (all versions)"],"published":"2026-09-23","updated":"2026-09-25","sourceUpdated":"2026-09-25T23:16:54.570","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-88832","references":[{"url":"https://access.redhat.com/errata/RHSA-2026:72111","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/security/cve/CVE-2026-88832","label":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2531345","label":"secalert@redhat.com"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-88832.json"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-88832"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-88832"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-23T17:31:57.802377Z"},"epss":0.00131,"epssPercentile":0.02692,"ingestedAt":"2026-09-23T17:28:14.849Z","patched":["hardened_images"],"slug":"CVE-2026-88832","body":"## Overview\n\nBusyBox romfs volume ID parsing uses unbounded strlen on attacker-controlled metadata, causing a heap buffer overflow when processing crafted filesystem images.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Important · affected: Red Hat Hardened Images · no fix planned: Red Hat Hardened Images · updated 2026-09-24 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-88832.json)\n- **RHSA-2026:72111** · Red Hat · fixed in: Red Hat Hardened Images · released 2026-09-25 · [advisory](https://access.redhat.com/errata/RHSA-2026:72111)","depth":"twilight","depthScore":40,"depthScoreParts":{"impact":40.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}