Integer overflow in Curl

CVE-2019-5435

An integer overflow in curl's URL API results in a buffer overflow in libcurl 7.62.0 to and including 7.64.1.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.047 (91.5th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.5% 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-2019-5435: held from 0.047 to 0.047.

EPSS over last 30 days · oldest: 0.047 · newest: 0.047 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-5435?
CVE-2019-5435 is a low-severity vulnerability in Curl, classified under Incorrect Calculation of Buffer Size. CVSS score: 3.7/10. Published 2019-05-28.
How severe is CVE-2019-5435?
Low severity. CVSS v3 base score is 3.7 out of 10.
Is CVE-2019-5435 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.