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ubuntucveUbuntu.comUB:CVE-2023-5156
HistorySep 25, 2023 - 12:00 a.m.

CVE-2023-5156

2023-09-2500:00:00
ubuntu.com
ubuntu.com
15
memory leak potential application crash gnu c library cve-2023-5156

7.5 High

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

6.6 Medium

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.001 Low

EPSS

Percentile

39.3%

JSON

A flaw was found in the GNU C Library. A recent fix for CVE-2023-4806
introduced the potential for a memory leak, which may result in an
application crash.

Bugs

Notes

Author Note
ccdm94 as of 2023-10-19, no releases are vulnerable to this CVE, as the fix for CVE-2023-4806 has not yet been applied to glibc in any of these releases. Whenever CVE-2023-4806 is patched, the patch for CVE-2023-5156 must be included as well in order to avoid regressions and the inclusion of a new vulnerability in glibc. the backports used to patch xenial, bionic and focal for CVE-2023-4806 do not introduce this vulnerability.
OSVersionArchitecturePackageVersionFilename
ubuntu14.04noarcheglibc< anyUNKNOWN
ubuntu22.04noarchglibc< 2.35-0ubuntu3.5UNKNOWN
ubuntu23.04noarchglibc< 2.37-0ubuntu2.2UNKNOWN
ubuntu23.10noarchglibc< 2.38-1ubuntu5UNKNOWN
ubuntu24.04noarchglibc< 2.38-1ubuntu5UNKNOWN

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7.5 High

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

6.6 Medium

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.001 Low

EPSS

Percentile

39.3%

JSON
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