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 v
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.
- Published
- May 17, 2019
- Updated
- Jun 16, 2026
- EPSS
- 5.9% · 93th percentile
- CWE
- CWE-787
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Report tools
Action score
41
Plan
Add it to your regular patch cycle.
- CVSS
- 39 / 40 · 9.8 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 2 / 30 · 5.9%
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpAffected systems
| Vendor | Product | CPE |
|---|---|---|
| gnu | wget | cpe:2.3:a:gnu:wget |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- gnu wgetup to 1.20.1 inclusive
Versions reported by the vendor
Affected version ranges reported by the assigning authority (jpcert). Independent of NVD's CPE analysis and usually ahead of it.
The GNU Projec GNU Wget
- 1.20.1 and earlieraffected
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Alpine:v3.10 | wget | before 1.20.3-r0 | 1.20.3-r0 |
| Debian:12 | wget | before 1.20.1-1.1 | 1.20.1-1.1 |
| Debian:8 | wget | before 1.16-1+deb8u6 | 1.16-1+deb8u6 |
| Debian:9 | wget | before 1.18-5+deb9u3 | 1.18-5+deb9u3 |
| openSUSE:Leap 15.0 | wget | before 1.19.5-lp150.7.1 | 1.19.5-lp150.7.1 |
| openSUSE:Tumbleweed | wget | before 1.21.1-2.2 | 1.21.1-2.2 |
| Red Hat:enterprise_linux:7::client | wget | before 0:1.14-18.el7_6.1 | 0:1.14-18.el7_6.1 |
| Red Hat:enterprise_linux:7::client | wget-debuginfo | before 0:1.14-18.el7_6.1 | 0:1.14-18.el7_6.1 |
| Red Hat:enterprise_linux:8::appstream | wget | before 0:1.19.5-7.el8_0.1 | 0:1.19.5-7.el8_0.1 |
| Red Hat:enterprise_linux:8::appstream | wget-debuginfo | before 0:1.19.5-7.el8_0.1 | 0:1.19.5-7.el8_0.1 |
| Red Hat:enterprise_linux:8::appstream | wget-debugsource | before 0:1.19.5-7.el8_0.1 | 0:1.19.5-7.el8_0.1 |
| Red Hat:rhel_aus:7.4::server | wget | before 0:1.14-15.el7_4.2 | 0:1.14-15.el7_4.2 |
| Red Hat:rhel_aus:7.4::server | wget-debuginfo | before 0:1.14-15.el7_4.2 | 0:1.14-15.el7_4.2 |
| Red Hat:rhel_eus:7.5::computenode | wget | before 0:1.14-16.el7_5.1 | 0:1.14-16.el7_5.1 |
| Red Hat:rhel_eus:7.5::computenode | wget-debuginfo | before 0:1.14-16.el7_5.1 | 0:1.14-16.el7_5.1 |
| SUSE:Linux Enterprise Module for Basesystem 15 | wget | before 1.19.5-3.6.2 | 1.19.5-3.6.2 |
| SUSE:OpenStack Cloud 7 | wget | before 1.14-21.10.1 | 1.14-21.10.1 |
Same product
gnu: all recordsOther highest-scoring records for the same primary product.
- CVE-2017-13089GNU Wget: stack overflow in HTTP protocol handling59Plan
- CVE-2016-4971GNU wget before 1.18 allows remote servers to write to arbitrary files by redirecting a request from HTTP to a crafted FTP resource.49Plan
- CVE-2014-4877Absolute path traversal vulnerability in GNU Wget before 1.16, when recursion is enabled, allows remote FTP servers to write to arbitrary fi49Plan
- CVE-2017-13090GNU Wget: heap overflow in HTTP protocol handling46Plan
- CVE-2024-38428url.c in GNU Wget through 1.24.5 mishandles semicolons in the userinfo subcomponent of a URI, and thus there may be insecure behavior in whi36Monitor
- CVE-2026-58469GNU Wget 1.25.0 Heap Buffer Underread via Metalink URL Parsing34Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| alpine:wget | 1.20.3-r0 · Alpine:v3.10 | Package registry (OSV) |
| debian:wget | 1.20.1-1.1 · Debian:12 | Package registry (OSV) |
| opensuse:wget | 1.19.5-lp150.7.1 · openSUSE:Leap 15.0 | Package registry (OSV) |
| red hat:wget | 0:1.19.5-7.el8_0.1 · Red Hat:enterprise_linux:8::appstream | Package registry (OSV) |
| red hat:wget-debuginfo | 0:1.19.5-7.el8_0.1 · Red Hat:enterprise_linux:8::appstream | Package registry (OSV) |
| red hat:wget-debugsource | 0:1.19.5-7.el8_0.1 · Red Hat:enterprise_linux:8::appstream | Package registry (OSV) |
| suse:wget | 1.19.5-3.6.2 · SUSE:Linux Enterprise Module for Basesystem 15 | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
National notice (Türkiye Cybersecurity Directorate / USOM)
Official security notices citing this record; remediation advice is on the agency's page.
- TR-20-905 · Oct 30, 2020(OpenShift Güvenlik Güncellemesi)
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- high · data can be read
- Integrity
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-787 · Out-of-bounds WriteCVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Change log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- jvn.jp/en/jp/JVN25261088/index.html
- access.redhat.com/errata/RHSA-2019:2979
- access.redhat.com/errata/RHSA-2019:3168
- security.gentoo.org/glsa/201908-19
- support.f5.com/csp/article/K14560101
- www.gnu.org/software/wget/
Vendor advisories and official records. Exploit/PoC links are deliberately left out.