Out-of-bounds Read in Haxx Curl

CVE-2016-8621

The `curl_getdate` function in curl before version 7.51.0 is vulnerable to an out of bounds read if it receives an input with one digit short.

Vulnerability class: Buffer Overflow

EPSS: 0.049 (91.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2016-8621?
CVE-2016-8621 is a medium-severity vulnerability in Haxx Curl, classified under Out-of-bounds Read. CVSS score: 5.3/10. Published 2018-07-31.
How severe is CVE-2016-8621?
Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2016-8621 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.