CVE-2017-9763

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.

• CWE-119

• http://git.savannah.gnu.org/cgit/grub.git/commit/grub-core/fs/ext2.c?id=ac8cac1dac50daaf1c390d701cca3b55e16ee768Patch, Third Party Advisory
• http://www.securityfocus.com/bid/99141Third Party Advisory, VDB Entry
• https://github.com/radare/radare2/commit/65000a7fd9eea62359e6d6714f17b94a99a82eddPatch, Third Party Advisory
• https://github.com/radare/radare2/issues/7723Patch, Third Party Advisory
• http://git.savannah.gnu.org/cgit/grub.git/commit/grub-core/fs/ext2.c?id=ac8cac1dac50daaf1c390d701cca3b55e16ee768Patch, Third Party Advisory
• http://www.securityfocus.com/bid/99141Third Party Advisory, VDB Entry
• https://github.com/radare/radare2/commit/65000a7fd9eea62359e6d6714f17b94a99a82eddPatch, Third Party Advisory
• https://github.com/radare/radare2/issues/7723Patch, Third Party Advisory

Published

Jun 19, 2017

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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