CVE-2023-2953

Publication date 30 May 2023

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

A vulnerability was found in openldap. This security flaw causes a null pointer dereference in ber_memalloc_x() function.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
openldap	24.04 LTS noble	Not affected
	23.10 mantic	Not affected
	23.04 lunar	Ignored end of life, was needed
	22.10 kinetic	Ignored end of life, was needed
	22.04 LTS jammy	Fixed 2.5.16+dfsg-0ubuntu0.22.04.2
	20.04 LTS focal	Fixed 2.4.49+dfsg-2ubuntu1.10
	18.04 LTS bionic	Fixed 2.4.45+dfsg-1ubuntu1.11+esm1 Ubuntu Pro
	16.04 LTS xenial	Fixed 2.4.42+dfsg-2ubuntu3.13+esm2 Ubuntu Pro
	14.04 LTS trusty	Fixed 2.4.31-1+nmu2ubuntu8.5+esm6 Ubuntu Pro

Get expanded security coverage with Ubuntu Pro

Reduce your average CVE exposure time from 98 days to 1 day with expanded CVE patching, ten-years security maintenance and optional support for the full stack of open-source applications. Free for personal use.

Get Ubuntu Pro

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
openldap	Upstream: ea8dd2d Upstream: 3f2abd0 Upstream: c5c8c06 Upstream: 840944e Upstream: 752d320 Upstream: 6563fab

Severity score breakdown

Parameter	Value
Base score	7.5 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-6197-1
OpenLDAP vulnerability
3 July 2023

USN-6616-1
OpenLDAP vulnerability
30 January 2024

Other references

https://www.cve.org/CVERecord?id=CVE-2023-2953