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Fencer Intel
medium 6.1

CVE-2017-6508 json

CRLF injection vulnerability in the url_parse function in url.c in Wget through 1.19.1 allows remote attackers to inject arbitrary HTTP hea…

published 2017-03-07 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-15564

cvss
6.1
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.9%
EPSS 2.9% chance of exploitation in 30 days, percentile 87%
public exploits
0
none known

Summary

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.

Patch / fix

  • wget Debian 14, Debian 13, Debian 12 1.19.1-2

debian advisories DEBIAN-CVE-2017-6508

  • wget Ubuntu 14.04 LTS 1.15-1ubuntu1.14.04.3
  • wget Ubuntu 16.04 LTS 1.17.1-1ubuntu1.3

ubuntu advisories UBUNTU-CVE-2017-6508

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • wget SLES for SAP 11 SP4, SLES 11 SP4 1.11.4-1.40.1
  • wget-openssl1 SLES 11-SECURITY 1.11.4-1.40.1
  • wget SLES for SAP 12 SP2, SLES for SAP 12 SP1, SLES for Raspberry Pi 12 SP2 +4 more 1.14-20.1

suse advisories SUSE-SU-2017:0799-1SUSE-SU-2017:0800-1

  • wget openSUSE Tumbleweed 1.21.1-2.2

opensuse advisories openSUSE-SU-2024:11510-1

  • wget Alpine 3.24, Alpine 3.23, Alpine 3.22 +16 more 1.19.1-r1
  • wget Alpine 3.4, Alpine 3.2 1.18-r1
  • wget Alpine 3.3 1.17.1-r2

alpine advisories ALPINE-CVE-2017-6508

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • wget Arch Linux 1.19.2-1

arch linux advisories AVG-473

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-6508 updated cvss 5.3

wget: CRLF injection in the url_parse function in url.c

  • Red Hat Enterprise Linux 5 wget Red Hat Enterprise Linux 6 wget Red Hat Enterprise Linux 7 wget
    affected: no fix planned “Will not fix”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.94% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • lists.gnu.org http://lists.gnu.org/archive/html/bug-wget/2017-03/msg00018.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 6.1 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-93 Improper Neutralization of CRLF Sequences

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.