7.5

CVE-2016-8625: haxx curl Improper Input Validation

CVSS: 7.5v3.0HighModified
AliasesALPINE-CVE-2016-8625UBUNTU-CVE-2016-8625DEBIAN-CVE-2016-8625
Published 01-08-2018Last modified 06-08-2024

Vulnerability summary

CVE-2016-8625 is a high (CVSS 7.5) Improper Input Validation vulnerability in haxx curl. EPSS estimates a 4.32% chance of exploitation in the next 30 days, higher than 91% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.0 (NVD)
EPSS score
4.32%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 1

Timeline

  1. 01-08-2018
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

curl before version 7.51.0 uses outdated IDNA 2003 standard to handle International Domain Names and this may lead users to potentially and unknowingly issue network transfer requests to the wrong host.

CVSS metrics

6 scores · 5 sources · 2 versions

EPSS trend

Probability

4.32%

Chance of exploitation in the next 30 days

Percentile

91%

Versus all other CVEs

30-day change

0.00 pp

From 4.32% on 18-09-2026

18-09-202618-10-2026
EPSS score
4.32%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Alpine1 product
  • curl< 7.51.0-r0 | < 7.51.0
Debian1 product
  • curl< 7.51.0-1
Haxx1 product
The curl project1 product
Ubuntu1 product
  • curlAll versions (No fix recorded)

5 vendors · 5 products

References

15 links
Show all 15 references