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Vulnerability record · CVE-2018-0494 · published 6 May 2018

CVE-2018-0494: Gnu wget improper input validation vulnerability

Gnu · Wget

GNU Wget before 1.19.5 is prone to a cookie injection vulnerability in the resp_new function in http.c via a \r\n sequence in a continuation line.

6.5 CVSS 3.0 Medium EPSS 17% · top 3.1% CWE-20 · Improper input validation
6.5CVSS 3.0 base score, v2 4.3
17%EPSS exploitation probability, 30 days
NoNot in CISA KEV
6Affected product versions listed by NVD
26References, 4 tagged exploit
17 Jun 2026Last modified by NVD

Description

GNU Wget before 1.19.5 is prone to a cookie injection vulnerability in the resp_new function in http.c via a \r\n sequence in a continuation line.

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Affected products

6 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/104129 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1040838 Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2018:3052 Third Party Advisory
https://git.savannah.gnu.org/cgit/wget.git/commit/?id=1fc9c95ec144499e69dc8ec76dbe07799d7d82cd Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/05/msg00006.html Mailing ListThird Party Advisory
https://lists.gnu.org/archive/html/bug-wget/2018-05/msg00020.html PatchThird Party Advisory
https://savannah.gnu.org/bugs/?53763 Broken Link
https://security.gentoo.org/glsa/201806-01 Third Party Advisory
https://sintonen.fi/advisories/gnu-wget-cookie-injection.txt ExploitThird Party Advisory
https://usn.ubuntu.com/3643-1/ Third Party Advisory
https://usn.ubuntu.com/3643-2/ Third Party Advisory
https://www.debian.org/security/2018/dsa-4195 Third Party Advisory
https://www.exploit-db.com/exploits/44601/ ExploitThird Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/104129 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1040838 Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2018:3052 Third Party Advisory
https://git.savannah.gnu.org/cgit/wget.git/commit/?id=1fc9c95ec144499e69dc8ec76dbe07799d7d82cd Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/05/msg00006.html Mailing ListThird Party Advisory
https://lists.gnu.org/archive/html/bug-wget/2018-05/msg00020.html PatchThird Party Advisory
https://savannah.gnu.org/bugs/?53763 Broken Link
https://security.gentoo.org/glsa/201806-01 Third Party Advisory
https://sintonen.fi/advisories/gnu-wget-cookie-injection.txt ExploitThird Party Advisory
https://usn.ubuntu.com/3643-1/ Third Party Advisory
https://usn.ubuntu.com/3643-2/ Third Party Advisory
https://www.debian.org/security/2018/dsa-4195 Third Party Advisory
https://www.exploit-db.com/exploits/44601/ ExploitThird Party AdvisoryVDB Entry

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Source: NIST National Vulnerability Database (record CVE-2018-0494), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.