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Fencer Vulns
high 8.1

CVE-2016-7098 json

Race condition in wget 1.17 and earlier, when used in recursive or mirroring mode to download a single file, might allow remote servers to…

published 2016-09-26 10 y ago modified 2026-06-17 4 mo ago also EUVD-2016-7978

cvss
8.1
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
7.5%
EPSS 7.5% chance of exploitation in 30 days, percentile 94%
public exploits
1
Exploit-DB

Summary

Race condition in wget 1.17 and earlier, when used in recursive or mirroring mode to download a single file, might allow remote servers to bypass intended access list restrictions by keeping an HTTP connection open.

Patch / fix

  • wget Debian 14, Debian 13, Debian 12 1.18-4

debian advisories DEBIAN-CVE-2016-7098

  • 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-2016-7098

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 12 SP2, SLES for SAP 12 SP1, SLES for Raspberry Pi 12 SP2 +4 more 1.14-17.1
  • wget SLES for SAP 11 SP4, SLES 11 SP4, SLES 11 SP3-TERADATA +5 more 1.11.4-1.32.1
  • wget-openssl1 SLES 11-SECURITY, SLES 11 SP3-TERADATA, SLES 11 SP3-LTSS 1.11.4-1.32.1

suse advisories SUSE-SU-2016:3268-1SUSE-SU-2016:2358-1

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-2016-7098 updated cvss 2.6

wget: files rejected by access list are kept on the disk for the duration of HTTP connection

  • Red Hat Enterprise Linux 5 wget Red Hat Enterprise Linux 6 wget Red Hat Enterprise Linux 7 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. Published
  2. First public exploit (EDB-40824)

Exploit prediction

7.50% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-40824 GNU Wget < 1.18 - Access List Bypass / Race Condition remote, 2016-11-24
  • lists.gnu.org http://lists.gnu.org/archive/html/bug-wget/2016-08/msg00083.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 8.1 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization

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.