Vulnerability in GNU Glibc
CVE-1999-0199
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.024 (83.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.cee.studio/tdelete.html (Exploit, Third Party Advisory)
- github.com/bminor/glibc/commit/2864e767053317538feafa815046fff89e5a16be (Patch, Third Party Advisory)
- ftp.gnu.org/gnu/glibc/glibc-2.2.tar.gz (Product, Vendor Advisory)
Frequently asked questions
- What is CVE-1999-0199?
- CVE-1999-0199 is a critical-severity vulnerability in GNU Glibc, classified under CWE-252. CVSS score: 9.8/10. Published 2020-10-06.
- How severe is CVE-1999-0199?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-1999-0199 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.