USN-6409-1

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Source
https://ubuntu.com/security/notices/USN-6409-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6409-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-6409-1
Upstream
  • UBUNTU-CVE-2023-4527
Related
Published
2023-10-03T18:04:23.013596Z
Modified
2025-07-16T08:35:27.390535Z
Summary
glibc vulnerabilities
Details

It was discovered that the GNU C Library incorrectly handled the GLIBC_TUNABLES environment variable. An attacker could possibly use this issue to perform a privilege escalation attack. (CVE-2023-4911)

It was discovered that the GNU C Library incorrectly handled certain DNS responses when the system was configured in no-aaaa mode. A remote attacker could possibly use this issue to cause the GNU C Library to crash, resulting in a denial of service. This issue only affected Ubuntu 23.04. (CVE-2023-4527)

References

Affected packages

Ubuntu:22.04:LTS / glibc

Package

Name
glibc
Purl
pkg:deb/ubuntu/glibc@2.35-0ubuntu3.4?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.35-0ubuntu3.4

Affected versions

2.*

2.34-0ubuntu3
2.35-0ubuntu1
2.35-0ubuntu3
2.35-0ubuntu3.1
2.35-0ubuntu3.3

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "glibc-doc",
            "binary_version": "2.35-0ubuntu3.4"
        },
        {
            "binary_name": "glibc-source",
            "binary_version": "2.35-0ubuntu3.4"
        },
        {
            "binary_name": "libc-bin",
            "binary_version": "2.35-0ubuntu3.4"
        },
        {
            "binary_name": "libc-bin-dbgsym",
            "binary_version": "2.35-0ubuntu3.4"
        },
        {
            "binary_name": "libc-dev-bin",
            "binary_version": "2.35-0ubuntu3.4"
        },
        {
            "binary_name": "libc-dev-bin-dbgsym",
            "binary_version": "2.35-0ubuntu3.4"
        },
        {
            "binary_name": "libc-devtools",
            "binary_version": "2.35-0ubuntu3.4"
        },
        {
            "binary_name": "libc-devtools-dbgsym",
            "binary_version": "2.35-0ubuntu3.4"
        },
        {
            "binary_name": "libc6",
            "binary_version": "2.35-0ubuntu3.4"
        },
        {
            "binary_name": "libc6-amd64",
            "binary_version": "2.35-0ubuntu3.4"
        },
        {
            "binary_name": "libc6-amd64-dbgsym",
            "binary_version": "2.35-0ubuntu3.4"
        },
        {
            "binary_name": "libc6-dbg",
            "binary_version": "2.35-0ubuntu3.4"
        },
        {
            "binary_name": "libc6-dev",
            "binary_version": "2.35-0ubuntu3.4"
        },
        {
            "binary_name": "libc6-dev-amd64",
            "binary_version": "2.35-0ubuntu3.4"
        },
        {
            "binary_name": "libc6-dev-i386",
            "binary_version": "2.35-0ubuntu3.4"
        },
        {
            "binary_name": "libc6-dev-s390",
            "binary_version": "2.35-0ubuntu3.4"
        },
        {
            "binary_name": "libc6-dev-x32",
            "binary_version": "2.35-0ubuntu3.4"
        },
        {
            "binary_name": "libc6-i386",
            "binary_version": "2.35-0ubuntu3.4"
        },
        {
            "binary_name": "libc6-i386-dbgsym",
            "binary_version": "2.35-0ubuntu3.4"
        },
        {
            "binary_name": "libc6-prof",
            "binary_version": "2.35-0ubuntu3.4"
        },
        {
            "binary_name": "libc6-s390",
            "binary_version": "2.35-0ubuntu3.4"
        },
        {
            "binary_name": "libc6-s390-dbgsym",
            "binary_version": "2.35-0ubuntu3.4"
        },
        {
            "binary_name": "libc6-x32",
            "binary_version": "2.35-0ubuntu3.4"
        },
        {
            "binary_name": "libc6-x32-dbgsym",
            "binary_version": "2.35-0ubuntu3.4"
        },
        {
            "binary_name": "locales",
            "binary_version": "2.35-0ubuntu3.4"
        },
        {
            "binary_name": "locales-all",
            "binary_version": "2.35-0ubuntu3.4"
        },
        {
            "binary_name": "nscd",
            "binary_version": "2.35-0ubuntu3.4"
        },
        {
            "binary_name": "nscd-dbgsym",
            "binary_version": "2.35-0ubuntu3.4"
        }
    ]
}