CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
40.0%
USN-6541-1 fixed vulnerabilities in the GNU C Library. Unfortunately,
changes made to allow proper application of the fix for CVE-2023-4806 in
Ubuntu 22.04 LTS introduced an issue in the NSCD service IPv6 processing
functionalities. This update fixes the problem.
We apologize for the inconvenience.
Original advisory details:
It was discovered that the GNU C Library was not properly handling certain
memory operations. An attacker could possibly use this issue to cause a
denial of service (application crash). (CVE-2023-4806, CVE-2023-4813)
It was discovered that the GNU C library was not properly implementing a
fix for CVE-2023-4806 in certain cases, which could lead to a memory leak.
An attacker could possibly use this issue to cause a denial of service
(application crash). This issue only affected Ubuntu 22.04 LTS and Ubuntu
23.04. (CVE-2023-5156)
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Ubuntu | 22.04 | noarch | libc-bin | < 2.35-0ubuntu3.6 | UNKNOWN |
Ubuntu | 22.04 | noarch | glibc-doc | < 2.35-0ubuntu3.6 | UNKNOWN |
Ubuntu | 22.04 | noarch | glibc-source | < 2.35-0ubuntu3.6 | UNKNOWN |
Ubuntu | 22.04 | noarch | libc-bin-dbgsym | < 2.35-0ubuntu3.6 | UNKNOWN |
Ubuntu | 22.04 | noarch | libc-dev-bin | < 2.35-0ubuntu3.6 | UNKNOWN |
Ubuntu | 22.04 | noarch | libc-dev-bin-dbgsym | < 2.35-0ubuntu3.6 | UNKNOWN |
Ubuntu | 22.04 | noarch | libc-devtools | < 2.35-0ubuntu3.6 | UNKNOWN |
Ubuntu | 22.04 | noarch | libc-devtools-dbgsym | < 2.35-0ubuntu3.6 | UNKNOWN |
Ubuntu | 22.04 | noarch | libc6 | < 2.35-0ubuntu3.6 | UNKNOWN |
Ubuntu | 22.04 | noarch | libc6-dbg | < 2.35-0ubuntu3.6 | UNKNOWN |