{"id":"CVE-2026-90801","title":"A security flaw has been discovered in GNU Binutils 2.47","summary":"A security flaw has been discovered in GNU Binutils 2.47. This impacts the function cache_bwrite of the file bfd/cache.c of the component ld. The manipulation of the argument nbytes results in buffer overflow. The attack requires a local…","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","cwe":["CWE-119","CWE-120"],"vendor":"gnu","product":"binutils","affected":["binutils = 2.47"],"published":"2026-09-14","updated":"2026-09-18","sourceUpdated":"2026-09-18T14:42:27.257","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-90801","references":[{"url":"https://github.com/r1ck9-2q/cve_summit/blob/main/Heap-buffer-overflow%20in%20%60cache_bwrite%60%20(bfdcache.c436)%20via%20malformed%20ELF%20with%20%60--gc-sections%20-w%60.md","label":"cna@vuldb.com"},{"url":"https://sourceware.org/bugzilla/show_bug.cgi?id=34442","label":"cna@vuldb.com"},{"url":"https://vuldb.com/cve/CVE-2026-90801","label":"cna@vuldb.com"},{"url":"https://vuldb.com/submit/920276","label":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/403303","label":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/403303/cti","label":"cna@vuldb.com"},{"url":"https://www.gnu.org/","label":"cna@vuldb.com"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-90801.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-90801"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2533176"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-90801"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-90801"},{"url":"https://access.redhat.com/errata/RHSA-2026:47171"}],"tags":["nvd","cve.org","exploit-available","csaf","vex","red-hat"],"epss":0.00156,"epssPercentile":0.05129,"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-14T16:31:19.525313Z"},"ingestedAt":"2026-09-14T18:12:17.163Z","patched":["hardened_images"],"slug":"CVE-2026-90801","body":"## Overview\n\nA security flaw has been discovered in GNU Binutils 2.47. This impacts the function cache_bwrite of the file bfd/cache.c of the component ld. The manipulation of the argument nbytes results in buffer overflow. The attack requires a local approach. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through a bug report but has not responded yet.\n\n## Affected\n\n- `binutils = 2.47`\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, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, … · no fix planned: Red Hat Hardened Images · updated 2026-09-15 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-90801.json)\n- **RHSA-2026:47171** · Red Hat · fixed in: Red Hat Hardened Images · released 2026-07-28 · [advisory](https://access.redhat.com/errata/RHSA-2026:47171)","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":29.2,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[]}