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Status published
Unknown
CVE-2021-3998
A flaw was found in glibc. The realpath() function can...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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/
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Affected Vendor
Affected Software
glibc
Vulnerable Versions:
Affects glibc v2.33 and above.
Timeline
Official Publish:
August 24th, 2022
Last Modified:
June 9th, 2025
Added to House:
July 21st, 2026
CVSS Vectors
No vector data available