NULL pointer dereference in Haxx Curl

CVE-2018-1000121

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

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.092 (95.2th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2018-1000121: held from 0.092 to 0.092.

EPSS over last 30 days · oldest: 0.092 · newest: 0.092 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-1000121?
CVE-2018-1000121 is a high-severity vulnerability in Haxx Curl, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2018-03-14.
How severe is CVE-2018-1000121?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2018-1000121 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.