CVE-2021-3998
- State
- Published
- Severity
- 7.5 High
- Published
- Aug 24, 2022
- Updated
- Oct 14, 2026
- Reserved
- Nov 22, 2021
Description
A flaw was found in glibc. The realpath() function can mistakenly return an unexpected value, potentially leading to information leakage and disclosure of sensitive data.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N | CISA-ADP |
Weaknesses
- CWE-125 Out-of-bounds Read
Affected Products
| Product | Versions |
|---|---|
glibcn/a |
|
References
- https://www.openwall.com/lists/oss-security/2022/01/24/4
- https://sourceware.org/bugzilla/show_bug.cgi?id=28770
- https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=ee8d5e33adb284601c00c94687bc907e10aec9bb
- https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=84d2d0fe20bdf94feed82b21b4d7d136db471f03
- https://bugzilla.redhat.com/show_bug.cgi?id=2024633
- https://access.redhat.com/security/cve/CVE-2021-3998
- https://security-tracker.debian.org/tracker/CVE-2021-3998
- https://security.netapp.com/advisory/ntap-20221020-0003/
- https://cert-portal.siemens.com/productcert/html/ssa-831302.html
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
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