{"id":"CVE-2026-88835","title":"BusyBox dpkg read_package_field() steps past a NUL terminator on malformed .deb packages, causing an out-of-bounds heap read.","summary":"BusyBox dpkg read_package_field() steps past a NUL terminator on malformed .deb packages, causing an out-of-bounds heap read.","severity":"medium","cvss":6.1,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","cwe":["CWE-125"],"vendor":"Red Hat","product":"busybox-main","affected":["busybox-main (all versions)"],"published":"2026-09-23","updated":"2026-09-25","sourceUpdated":"2026-09-25T23:16:54.683","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-88835","references":[{"url":"https://access.redhat.com/errata/RHSA-2026:72111","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/security/cve/CVE-2026-88835","label":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2531349","label":"secalert@redhat.com"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-88835.json"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-88835"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-88835"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-25T18:14:56.514596Z"},"epss":0.00117,"epssPercentile":0.01649,"ingestedAt":"2026-09-23T18:29:33.146Z","patched":["hardened_images"],"slug":"CVE-2026-88835","body":"## Overview\n\nBusyBox dpkg read_package_field() steps past a NUL terminator on malformed .deb packages, causing an out-of-bounds heap read.\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** · Moderate · 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-2026-88835.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":"sunlit","depthScore":34,"depthScoreParts":{"impact":33.6,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}