What’s Vulnerable › Vulnerabilities

CVE-2018-0494

• Severity: medium (CVSS 6.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 16.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-05-06 · updated 2026-06-17
• Weakness: CWE-20

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.

Affected products

• Canonical Ubuntu Linux: 12.04, 14.04, 16.04, 17.10, 18.04
• Debian Linux: 7.0, 8.0, 9.0
• gnuwget wget: before 1.19.5 — fixed in 1.19.5
• RedHat Enterprise Linux Desktop: 7.0
• RedHat Enterprise Linux Server: 7.0
• RedHat Enterprise Linux Workstation: 7.0

How to fix

Upgrade to a fixed version: gnuwget wget 1.19.5. Check the vendor advisory for mitigations.

References

• http://www.securityfocus.com/bid/104129
• http://www.securitytracker.com/id/1040838
• https://access.redhat.com/errata/RHSA-2018:3052
• https://git.savannah.gnu.org/cgit/wget.git/commit/?id=1fc9c95ec144499e69dc8ec76dbe07799d7d82cd
• https://lists.debian.org/debian-lts-announce/2018/05/msg00006.html
• https://lists.gnu.org/archive/html/bug-wget/2018-05/msg00020.html
• https://savannah.gnu.org/bugs/?53763
• https://security.gentoo.org/glsa/201806-01
• https://sintonen.fi/advisories/gnu-wget-cookie-injection.txt
• https://usn.ubuntu.com/3643-1/
• https://usn.ubuntu.com/3643-2/
• https://www.debian.org/security/2018/dsa-4195

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