UBUNTU-CVE-2021-3998

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Source
https://ubuntu.com/security/notices/UBUNTU-CVE-2021-3998
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-3998.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-3998
Related
Published
2022-02-01T00:00:00Z
Modified
2022-02-01T00:00:00Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Summary
[none]
Details

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

Affected packages

Ubuntu:22.04:LTS / glibc

Package

Name
glibc
Purl
pkg:deb/ubuntu/glibc@2.35-0ubuntu1?arch=src?distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.35-0ubuntu1

Affected versions

2.*

2.34-0ubuntu3

Ecosystem specific 

{
    "availability": "No subscription required",
    "ubuntu_priority": "medium",
    "binaries": [
        {
            "libc6-s390-dbgsym": "2.35-0ubuntu1",
            "libc6-dev": "2.35-0ubuntu1",
            "libc6-dev-s390": "2.35-0ubuntu1",
            "libc6-dev-i386": "2.35-0ubuntu1",
            "locales-all": "2.35-0ubuntu1",
            "libc6-amd64-dbgsym": "2.35-0ubuntu1",
            "glibc-source": "2.35-0ubuntu1",
            "libc6-dev-amd64": "2.35-0ubuntu1",
            "nscd-dbgsym": "2.35-0ubuntu1",
            "nscd": "2.35-0ubuntu1",
            "glibc-doc": "2.35-0ubuntu1",
            "libc6-dbg": "2.35-0ubuntu1",
            "libc6": "2.35-0ubuntu1",
            "libc-bin": "2.35-0ubuntu1",
            "libc6-i386": "2.35-0ubuntu1",
            "libc6-dev-x32": "2.35-0ubuntu1",
            "libc-bin-dbgsym": "2.35-0ubuntu1",
            "libc-dev-bin": "2.35-0ubuntu1",
            "libc6-amd64": "2.35-0ubuntu1",
            "libc6-x32": "2.35-0ubuntu1",
            "libc6-prof": "2.35-0ubuntu1",
            "libc-devtools": "2.35-0ubuntu1",
            "libc-devtools-dbgsym": "2.35-0ubuntu1",
            "libc6-s390": "2.35-0ubuntu1",
            "libc6-i386-dbgsym": "2.35-0ubuntu1",
            "locales": "2.35-0ubuntu1",
            "libc-dev-bin-dbgsym": "2.35-0ubuntu1",
            "libc6-x32-dbgsym": "2.35-0ubuntu1"
        }
    ]
}