CVE-1999-0199: GNU Glibc

Critical severity, CVSS 9.8. EPSS: 2.4% chance of exploitation in the next 30 days.

manual/search.texi in the GNU C Library (aka glibc) before 2.2 lacks a statement about the unspecified tdelete return value upon deletion of a tree's root, which might allow attackers to access a dangling pointer in an application whose developer was unaware of a documentation update from 1999.

Affected products

• GNU Glibc: before 2.2 (fixed in 2.2)

Published 2020-10-06. Last modified 2026-09-25.