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Fencer Vulns
medium 6.5

CVE-2018-0494 json

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 continuatio…

published 2018-05-06 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-1317

cvss
6.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
16.5%
EPSS 16.5% chance of exploitation in 30 days, percentile 97%
public exploits
1
Exploit-DB

Summary

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.

Patch / fix

  • gnu wget 1.19.5
  • wget Debian 14, Debian 13, Debian 12 1.19.5-1

debian advisories DEBIAN-CVE-2018-0494

  • wget Ubuntu 14.04 LTS 1.15-1ubuntu1.14.04.4
  • wget Ubuntu 16.04 LTS 1.17.1-1ubuntu1.4
  • wget Ubuntu 18.04 LTS 1.19.4-1ubuntu2.1

ubuntu advisories UBUNTU-CVE-2018-0494

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 RHEL 7 1.14-18.el7

red hat advisories RHSA-2018:3052

  • wget SLES for SAP 11 SP4, SLES 11 SP4 1.11.4-1.41.3.1
  • wget-openssl1 SLES 11-SECURITY 1.11.4-1.41.3.1
  • wget SLES for SAP 12 SP3, SLES 12 SP3, SLED 12 SP3 1.14-21.7.1

suse advisories SUSE-SU-2018:1367-1SUSE-SU-2018:1373-1

  • 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 1.19.5-r0
  • wget Alpine 3.4 1.18-r3
  • wget Alpine 3.5 1.18-r4

alpine advisories ALPINE-CVE-2018-0494

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

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-2018-0494 updated cvss 7.1

wget: Cookie injection allows malicious website to write arbitrary cookie entries into cookie jar

  • Red Hat Enterprise Linux 5 wget Red Hat Enterprise Linux 6 wget
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux Client (v. 7) wget 1.14-18.el7 Red Hat Enterprise Linux ComputeNode (v. 7) wget 1.14-18.el7 Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) wget 1.14-18.el7 Red Hat Enterprise Linux Server (v. 7) wget 1.14-18.el7 Red Hat Enterprise Linux Workstation (v. 7) wget 1.14-18.el7
    fixed: vendor fix RHSA-2018:3052
  • Red Hat Enterprise Linux 8 wget
    not affected: vulnerable code not present

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

Timeline

  1. First public exploit (EDB-44601)
  2. Published

Exploit prediction

16.49% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-44601 GNU wget - Cookie Injection local, 2018-05-06
  • sintonen.fi https://sintonen.fi/advisories/gnu-wget-cookie-injection.txt referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

  • n/a WGet

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Vulns 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.