What is CVE-2017-6508?

CVE-2017-6508 is a medium-severity vulnerability in GNU Wget, classified under CRLF Injection. CVSS score: 6.1/10. Published 2017-03-07.

How severe is CVE-2017-6508?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2017-6508 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in GNU Wget

CVE-2017-6508

CRLF injection vulnerability in the url_parse function in url.c in Wget through 1.19.1 allows remote attackers to inject arbitrary HTTP headers via CRLF sequences in the host subcomponent of a URL.

Vulnerability class: CRLF Injection

Published 2017-03-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.029 (87.1th percentile), scored 2026-11-01.

Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.031 · newest: 0.029 · change: -0.002

Affected products

GNU Wget

Weakness classification (CWE)

CWE-93 — CRLF Injection

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

lists.gnu.org/archive/html/bug-wget/2017-03/msg00018.html (Exploit, Mailing List)
security.gentoo.org/glsa/201706-16 (vendor-advisory)
www.securityfocus.com/bid/96877 (vdb-entry)
git.savannah.gnu.org/cgit/wget.git/commit/ (Patch)

Frequently asked questions

What is CVE-2017-6508?: CVE-2017-6508 is a medium-severity vulnerability in GNU Wget, classified under CRLF Injection. CVSS score: 6.1/10. Published 2017-03-07.
How severe is CVE-2017-6508?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2017-6508 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.