{"id":"CVE-2017-9763","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-9763","generatedAt":"2026-10-28T20:08:55.473Z","title":"The grub_ext2_read_block function in fs/ext2.c in GNU GRUB before 2013-11-12, as used in shlr/grub/fs/ext2.c in radare2 1.5.0, allows remote attackers to cause a denial of service (excessive stack use and application crash) via a crafted binary file,…","description":"The grub_ext2_read_block function in fs/ext2.c in GNU GRUB before 2013-11-12, as used in shlr/grub/fs/ext2.c in radare2 1.5.0, allows remote attackers to cause a denial of service (excessive stack use and application crash) via a crafted binary file, related to use of a variable-size stack array.","published":"2017-06-19T16:29:01.000Z","lastModified":"2026-06-17T01:28:51.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":7.5,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-119"],"affected":["radare/radare2"],"epss":{"score":0.04075,"percentile":0.90637,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (4.08%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://git.savannah.gnu.org/cgit/grub.git/commit/grub-core/fs/ext2.c?id=ac8cac1dac50daaf1c390d701cca3b55e16ee768","tags":["Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/99141","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://github.com/radare/radare2/commit/65000a7fd9eea62359e6d6714f17b94a99a82edd","tags":["Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/radare/radare2/issues/7723","tags":["Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://git.savannah.gnu.org/cgit/grub.git/commit/grub-core/fs/ext2.c?id=ac8cac1dac50daaf1c390d701cca3b55e16ee768","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/99141","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/radare/radare2/commit/65000a7fd9eea62359e6d6714f17b94a99a82edd","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/radare/radare2/issues/7723","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-9763","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}