CVE-2018-1000121

Publication date 14 March 2018

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

Description

A NULL pointer dereference exists in curl 7.21.0 to and including curl 7.58.0 in the LDAP code that allows an attacker to cause a denial of service

Read the notes from the security team

Status

Package Ubuntu Release Status
curl 18.04 LTS bionic
Fixed 7.58.0-2ubuntu3
17.10 artful
Fixed 7.55.1-1ubuntu2.4
16.04 LTS xenial
Fixed 7.47.0-1ubuntu2.7
14.04 LTS trusty
Fixed 7.35.0-1ubuntu2.15

Notes

mdeslaur

introduced by https://github.com/curl/curl/commit/2e056353b00d09

Patch details

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

Package Patch details
curl

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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

Other references