High severity7.5NVD Advisory· Published Aug 24, 2022· Updated Jun 17, 2026
CVE-2021-3998
CVE-2021-3998
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
10- cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*
- glibc/realpath() functiondescription
Patches
Vulnerability mechanics
References
6- bugzilla.redhat.com/show_bug.cginvdIssue TrackingPatchThird Party Advisory
- sourceware.org/bugzilla/show_bug.cginvdIssue TrackingPatchThird Party Advisory
- www.openwall.com/lists/oss-security/2022/01/24/4nvdMailing ListPatchThird Party Advisory
- access.redhat.com/security/cve/CVE-2021-3998nvdThird Party Advisory
- security-tracker.debian.org/tracker/CVE-2021-3998nvdThird Party Advisory
- security.netapp.com/advisory/ntap-20221020-0003/nvdThird Party Advisory
News mentions
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