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.
References (8)
Core 8
Core References
Patch
https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=ee8d5e33adb284601c00c94687bc907e10aec9bb
Patch
https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=84d2d0fe20bdf94feed82b21b4d7d136db471f03
Third Party Advisory
https://access.redhat.com/security/cve/CVE-2021-3998
Issue Tracking, Patch, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2024633
Third Party Advisory
https://security-tracker.debian.org/tracker/CVE-2021-3998
Third Party Advisory
https://security.netapp.com/advisory/ntap-20221020-0003/
Issue Tracking, Patch, Third Party Advisory
https://sourceware.org/bugzilla/show_bug.cgi?id=28770
Mailing List, Patch, Third Party Advisory
https://www.openwall.com/lists/oss-security/2022/01/24/4
Scores
CVSS v3
7.5
EPSS
0.0139
EPSS Percentile
68.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-125
CWE-252
Status
published
Products (7)
gnu/glibc
2.33 - 2.35
netapp/h300s_firmware
netapp/h410c_firmware
netapp/h410s_firmware
netapp/h500s_firmware
netapp/h700s_firmware
netapp/ontap_select_deploy_administration_utility
Published
Aug 24, 2022
Tracked Since
Feb 18, 2026