CVE-2019-5953

Buffer overflow in GNU Wget 1.20.1 and earlier allows remote attackers to cause a denial-of...

9.8 CriticalFix available

Buffer overflow in GNU Wget 1.20.1 and earlier allows remote attackers to cause a denial-of-service (DoS) or may execute an arbitrary code via unspecified vectors.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

5.86%Up 4.0 points since Apr 14, 2021

What each source reports

NVD Score used 9.8

Buffer overflow in GNU Wget 1.20.1 and earlier allows remote attackers to cause a denial-of-service (DoS) or may execute an arbitrary code via unspecified vectors.

Record: CVE-2019-5953
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness: CWE-787
Updated: 2026-11-02

CVE List No score

Buffer overflow in GNU Wget 1.20.1 and earlier allows remote attackers to cause a denial-of-service (DoS) or may execute an arbitrary code via unspecified vectors.

Record: CVE-2019-5953
Updated: 2026-11-02

EUVDEUVD-2019-15521 No score

Buffer overflow in GNU Wget 1.20.1 and earlier allows remote attackers to cause a denial-of-service (DoS) or may execute an arbitrary code via unspecified vectors.

Record: EUVD-2019-15521
Updated: 2026-11-03

GitHub AdvisoriesGHSA-fhwx-v7qv-pjh3 9.8

Buffer overflow in GNU Wget 1.20.1 and earlier allows remote attackers to cause a denial-of...

Buffer overflow in GNU Wget 1.20.1 and earlier allows remote attackers to cause a denial-of-service (DoS) or may execute an arbitrary code via unspecified vectors.

Record: GHSA-fhwx-v7qv-pjh3
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-787
Updated: 2026-11-02

OSVALPINE-CVE-2019-5953 9.8

Buffer overflow in GNU Wget 1.20.1 and earlier allows remote attackers to cause a denial-of-service (DoS) or may execute an arbitrary code via unspecified vectors.

Record: ALPINE-CVE-2019-5953
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVBELL-CVE-2019-5953 9.8

CVE-2019-5953 does not affect BellSoft software

Record: BELL-CVE-2019-5953
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

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OSV 9.8

Buffer overflow in GNU Wget 1.20.1 and earlier allows remote attackers to cause a denial-of-service (DoS) or may execute an arbitrary code via unspecified vectors.

Record: CVE-2019-5953
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVDEBIAN-CVE-2019-5953 9.8

Buffer overflow in GNU Wget 1.20.1 and earlier allows remote attackers to cause a denial-of-service (DoS) or may execute an arbitrary code via unspecified vectors.

Record: DEBIAN-CVE-2019-5953
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVRHSA-2019:0983 8.8

Red Hat Security Advisory: wget security update

Record: RHSA-2019:0983
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVRHSA-2019:1228 8.8

Red Hat Security Advisory: wget security update

Record: RHSA-2019:1228
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVRHSA-2019:2979 8.8

Red Hat Security Advisory: wget security update

Record: RHSA-2019:2979
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVRHSA-2019:3168 8.8

Red Hat Security Advisory: wget security update

Record: RHSA-2019:3168
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2019-5953 9.8

Buffer overflow in GNU Wget 1.20.1 and earlier allows remote attackers to cause a denial-of-service (DoS) or may execute an arbitrary code via unspecified vectors.

Record: UBUNTU-CVE-2019-5953
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVopenSUSE-SU-2019:1236-1 No score

Security update for wget

This update for wget fixes the following issues:

Security issue fixed:

CVE-2019-5953: Fixed a buffer overflow vulnerability which might cause code execution (bsc#1131493).

This update was imported from the SUSE:SLE-15:Update update project.

Record: openSUSE-SU-2019:1236-1
Updated: 2026-11-02

OSVopenSUSE-SU-2024:11510-1 No score

wget-1.21.1-2.2 on GA media

These are all security issues fixed in the wget-1.21.1-2.2 package on the GA media of openSUSE Tumbleweed.

Record: openSUSE-SU-2024:11510-1
Updated: 2026-11-02

OSVSUSE-SU-2019:0925-1 No score

Security update for wget

This update for wget fixes the following issues:

Security issue fixed:

CVE-2019-5953: Fixed a buffer overflow vulnerability which might cause code execution (bsc#1131493).

Record: SUSE-SU-2019:0925-1
Updated: 2026-11-02

OSVSUSE-SU-2019:0956-1 No score

Security update for wget

This update for wget fixes the following issues:

Security issue fixed:

CVE-2019-5953: Fixed a buffer overflow vulnerability which might cause code execution (bsc#1131493).

Record: SUSE-SU-2019:0956-1
Updated: 2026-11-02

OSVUSN-3943-1 No score

wget vulnerabilities

It was discovered that Wget incorrectly handled certain inputs. An attacker could possibly use this issue to access sensitive information. This issue only affected Ubuntu 18.04 LTS and Ubuntu 18.10. (CVE-2018-20483)

Kusano Kazuhiko discovered that Wget incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code. (CVE-2019-5953)

Record: USN-3943-1
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`wget` Alpine:v3.10	before 1.20.3-r0	1.20.3-r0
`wget` Alpine:v3.11	before 1.20.3-r0	1.20.3-r0
`wget` Alpine:v3.12	before 1.20.3-r0	1.20.3-r0
`wget` Alpine:v3.13	before 1.20.3-r0	1.20.3-r0
`wget` Alpine:v3.14	before 1.20.3-r0	1.20.3-r0
`wget` Alpine:v3.15	before 1.20.3-r0	1.20.3-r0
`wget` Alpine:v3.16	before 1.20.3-r0	1.20.3-r0
`wget` Alpine:v3.17	before 1.20.3-r0	1.20.3-r0
`wget` Alpine:v3.18	before 1.20.3-r0	1.20.3-r0
`wget` Alpine:v3.19	before 1.20.3-r0	1.20.3-r0

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Affected packages
Package	Affected	Fixed
`wget` Alpine:v3.20	before 1.20.3-r0	1.20.3-r0
`wget` Alpine:v3.21	before 1.20.3-r0	1.20.3-r0
`wget` Alpine:v3.22	before 1.20.3-r0	1.20.3-r0
`wget` Alpine:v3.23	before 1.20.3-r0	1.20.3-r0
`wget` Alpine:v3.24	before 1.20.3-r0	1.20.3-r0
`wget` Debian:12	before 1.20.1-1.1	1.20.1-1.1
`wget` Debian:13	before 1.20.1-1.1	1.20.1-1.1
`wget` Debian:14	before 1.20.1-1.1	1.20.1-1.1
`wget` Debian:8	before 1.16-1+deb8u6, plus listed versions 1.16-11.16-1+deb8u11.16-1+deb8u21.16-1+deb8u41.16-1+deb8u5	1.16-1+deb8u6
`wget` Debian:9	before 1.18-5+deb9u3, plus listed versions 1.18-51.18-5+deb9u11.18-5+deb9u2	1.18-5+deb9u3
`wget` Red Hat:enterprise_linux:8::appstream	before 0:1.19.5-7.el8_0.1	0:1.19.5-7.el8_0.1
`wget-debuginfo` Red Hat:enterprise_linux:8::appstream	before 0:1.19.5-7.el8_0.1	0:1.19.5-7.el8_0.1
`wget-debugsource` Red Hat:enterprise_linux:8::appstream	before 0:1.19.5-7.el8_0.1	0:1.19.5-7.el8_0.1
`wget` Red Hat:enterprise_linux:7::client	before 0:1.14-18.el7_6.1	0:1.14-18.el7_6.1
`wget-debuginfo` Red Hat:enterprise_linux:7::client	before 0:1.14-18.el7_6.1	0:1.14-18.el7_6.1
`wget` Red Hat:enterprise_linux:7::computenode	before 0:1.14-18.el7_6.1	0:1.14-18.el7_6.1
`wget-debuginfo` Red Hat:enterprise_linux:7::computenode	before 0:1.14-18.el7_6.1	0:1.14-18.el7_6.1
`wget` Red Hat:enterprise_linux:7::server	before 0:1.14-18.el7_6.1	0:1.14-18.el7_6.1
`wget-debuginfo` Red Hat:enterprise_linux:7::server	before 0:1.14-18.el7_6.1	0:1.14-18.el7_6.1
`wget` Red Hat:enterprise_linux:7::workstation	before 0:1.14-18.el7_6.1	0:1.14-18.el7_6.1
`wget-debuginfo` Red Hat:enterprise_linux:7::workstation	before 0:1.14-18.el7_6.1	0:1.14-18.el7_6.1
`wget` Red Hat:rhel_eus:7.5::computenode	before 0:1.14-16.el7_5.1	0:1.14-16.el7_5.1
`wget-debuginfo` Red Hat:rhel_eus:7.5::computenode	before 0:1.14-16.el7_5.1	0:1.14-16.el7_5.1
`wget` Red Hat:rhel_eus:7.5::server	before 0:1.14-16.el7_5.1	0:1.14-16.el7_5.1
`wget-debuginfo` Red Hat:rhel_eus:7.5::server	before 0:1.14-16.el7_5.1	0:1.14-16.el7_5.1
`wget` Red Hat:rhel_aus:7.4::server	before 0:1.14-15.el7_4.2	0:1.14-15.el7_4.2
`wget-debuginfo` Red Hat:rhel_aus:7.4::server	before 0:1.14-15.el7_4.2	0:1.14-15.el7_4.2
`wget` Red Hat:rhel_e4s:7.4::server	before 0:1.14-15.el7_4.2	0:1.14-15.el7_4.2
`wget-debuginfo` Red Hat:rhel_e4s:7.4::server	before 0:1.14-15.el7_4.2	0:1.14-15.el7_4.2
`wget` Red Hat:rhel_tus:7.4::server	before 0:1.14-15.el7_4.2	0:1.14-15.el7_4.2
`wget-debuginfo` Red Hat:rhel_tus:7.4::server	before 0:1.14-15.el7_4.2	0:1.14-15.el7_4.2
`wget` SUSE:Linux Enterprise Module for Basesystem 15	before 1.19.5-3.6.2	1.19.5-3.6.2
`wget` SUSE:OpenStack Cloud 7	before 1.14-21.10.1	1.14-21.10.1
`wget` SUSE:Linux Enterprise Desktop 12 SP3	before 1.14-21.10.1	1.14-21.10.1
`wget` SUSE:Linux Enterprise Desktop 12 SP4	before 1.14-21.10.1	1.14-21.10.1
`wget` SUSE:Linux Enterprise Server for SAP Applications 12 SP1	before 1.14-21.10.1	1.14-21.10.1
`wget` SUSE:Linux Enterprise Server for SAP Applications 12 SP2	before 1.14-21.10.1	1.14-21.10.1
`wget` SUSE:Linux Enterprise Server 12-LTSS	before 1.14-21.10.1	1.14-21.10.1
`wget` SUSE:Linux Enterprise Server 12 SP1-LTSS	before 1.14-21.10.1	1.14-21.10.1
`wget` SUSE:Linux Enterprise Server 12 SP2-LTSS	before 1.14-21.10.1	1.14-21.10.1
`wget` SUSE:Linux Enterprise Server 12 SP2-BCL	before 1.14-21.10.1	1.14-21.10.1
`wget` SUSE:Linux Enterprise Server 12 SP3	before 1.14-21.10.1	1.14-21.10.1
`wget` SUSE:Linux Enterprise Server for SAP Applications 12 SP3	before 1.14-21.10.1	1.14-21.10.1
`wget` SUSE:Linux Enterprise Server 12 SP4	before 1.14-21.10.1	1.14-21.10.1
`wget` SUSE:Linux Enterprise Server for SAP Applications 12 SP4	before 1.14-21.10.1	1.14-21.10.1
`wget` SUSE:Enterprise Storage 4	before 1.14-21.10.1	1.14-21.10.1
`wget` Ubuntu:14.04:LTS	before 1.15-1ubuntu1.14.04.5, plus listed versions 1.14-2ubuntu11.14-5ubuntu11.15-1ubuntu11.15-1ubuntu1.14.04.11.15-1ubuntu1.14.04.21.15-1ubuntu1.14.04.31.15-1ubuntu1.14.04.4	1.15-1ubuntu1.14.04.5
`wget` Ubuntu:16.04:LTS	before 1.17.1-1ubuntu1.5, plus listed versions 1.16.1-1ubuntu11.17.1-1ubuntu11.17.1-1ubuntu1.11.17.1-1ubuntu1.21.17.1-1ubuntu1.31.17.1-1ubuntu1.4	1.17.1-1ubuntu1.5
`wget` Ubuntu:18.04:LTS	before 1.19.4-1ubuntu2.2, plus listed versions 1.19.1-3ubuntu11.19.1-3ubuntu1.11.19.2-1ubuntu11.19.3-2ubuntu11.19.4-1ubuntu21.19.4-1ubuntu2.1	1.19.4-1ubuntu2.2
`wget` Ubuntu:14.04:LTS From an advisory covering 2 CVEs	before 1.15-1ubuntu1.14.04.5, plus listed versions 1.14-2ubuntu11.14-5ubuntu11.15-1ubuntu11.15-1ubuntu1.14.04.11.15-1ubuntu1.14.04.21.15-1ubuntu1.14.04.31.15-1ubuntu1.14.04.4	1.15-1ubuntu1.14.04.5
`wget` Ubuntu:16.04:LTS From an advisory covering 2 CVEs	before 1.17.1-1ubuntu1.5, plus listed versions 1.16.1-1ubuntu11.17.1-1ubuntu11.17.1-1ubuntu1.11.17.1-1ubuntu1.21.17.1-1ubuntu1.31.17.1-1ubuntu1.4	1.17.1-1ubuntu1.5
`wget` Ubuntu:18.04:LTS From an advisory covering 2 CVEs	before 1.19.4-1ubuntu2.2, plus listed versions 1.19.1-3ubuntu11.19.1-3ubuntu1.11.19.2-1ubuntu11.19.3-2ubuntu11.19.4-1ubuntu21.19.4-1ubuntu2.1	1.19.4-1ubuntu2.2
`wget` openSUSE:Leap 15.0	before 1.19.5-lp150.7.1	1.19.5-lp150.7.1
`wget` openSUSE:Tumbleweed From an advisory covering 7 CVEs	before 1.21.1-2.2	1.21.1-2.2

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2019-5953 is a critical vulnerability (CVSS 9.8) in Gnu Wget, published April 4, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 5.86%, the 93rd percentile. Fixed in wget 1.20.3-r0.

References

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