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
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | WGet | WGet | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | wget | 1.19.5-1 | — |
| Debian 13 | wget | 1.19.5-1 | — |
| Debian 12 | wget | 1.19.5-1 | — |
| Debian 9 | wget | 1.18-5+deb9u2 | DSA-4195-1 |
| Debian 8 | wget | 1.16-1+deb8u5 | DSA-4195-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 7 | wget | 1.13.4-3+deb7u6 | DLA-1375-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | wget | 1.19.4-1ubuntu2.1 | USN-3643-1 |
| Ubuntu 16.04 LTS | wget | 1.17.1-1ubuntu1.4 | USN-3643-1 |
| Ubuntu 14.04 LTS | wget | 1.15-1ubuntu1.14.04.4 | USN-3643-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | wget | 1.14-18.el7 | RHSA-2018:3052 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP3 | wget | 1.14-21.7.1 | SUSE-SU-2018:1373-1 |
| SLES 11 SP4 | wget | 1.11.4-1.41.3.1 | SUSE-SU-2018:1367-1 |
| SLES 11 | wget-openssl1 | 1.11.4-1.41.3.1 | SUSE-SU-2018:1367-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP3 | wget | 1.14-21.7.1 | SUSE-SU-2018:1373-1 |
| SLES for SAP 11 SP4 | wget | 1.11.4-1.41.3.1 | SUSE-SU-2018:1367-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | wget | 1.21.1-2.2 | openSUSE-SU-2024:11510-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | wget | 1.19.5-r0 | — |
| Alpine v3.23 | wget | 1.19.5-r0 | — |
| Alpine v3.22 | wget | 1.19.5-r0 | — |
| Alpine v3.21 | wget | 1.19.5-r0 | — |
| Alpine v3.20 | wget | 1.19.5-r0 | — |
Show 16 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | wget | 1.19.5-r0 | — |
| Alpine v3.18 | wget | 1.19.5-r0 | — |
| Alpine v3.17 | wget | 1.19.5-r0 | — |
| Alpine v3.16 | wget | 1.19.5-r0 | — |
| Alpine v3.15 | wget | 1.19.5-r0 | — |
| Alpine v3.14 | wget | 1.19.5-r0 | — |
| Alpine v3.13 | wget | 1.19.5-r0 | — |
| Alpine v3.12 | wget | 1.19.5-r0 | — |
| Alpine v3.11 | wget | 1.19.5-r0 | — |
| Alpine v3.10 | wget | 1.19.5-r0 | — |
| Alpine v3.9 | wget | 1.19.5-r0 | — |
| Alpine v3.8 | wget | 1.19.5-r0 | — |
| Alpine v3.7 | wget | 1.19.5-r0 | — |
| Alpine v3.6 | wget | 1.19.5-r0 | — |
| Alpine v3.5 | wget | 1.18-r4 | — |
| Alpine v3.4 | wget | 1.18-r3 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | wget | 1.14-18.amzn2 | ALAS2-2018-1121 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | wget | 1.14-18.el7 | ELSA-2018-3052 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- GNU wget - Cookie Injection EDB-44601 · local · May 6, 2018
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 9
- RHSA-2018:3052 Red Hat Security Advisory: wget security and bug fix update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-4195-1 wget - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1375-1 wget - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-3643-1 wget vulnerability Ubuntu Security Notices (USN) · Feb 10, 2026
- openSUSE-SU-2024:11510-1 wget-1.21.1-2.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1373-1 Security update for wget SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1367-1 Security update for wget SUSE / openSUSE Security Updates · Feb 4, 2026
- ALAS2-2018-1121 Moderate: wget security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Dec 8, 2018
- ELSA-2018-3052 Moderate: wget security and bug fix update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Nov 5, 2018
References
- https://sintonen.fi/advisories/gnu-wget-cookie-injection.txt
- RHSA-2018:3052 vendor-advisory
- https://savannah.gnu.org/bugs/?53763
- https://git.savannah.gnu.org/cgit/wget.git/commit/?id=1fc9c95ec144499e69dc8ec76dbe07799d7d82cd
- GLSA-201806-01 vendor-advisory
- DSA-4195 vendor-advisory
- 104129 vdb-entry
- 1040838 vdb-entry
- 44601 exploit
- USN-3643-2 vendor-advisory
- [debian-lts-announce] 20180511 [SECURITY] [DLA 1375-1] wget security update mailing-list
- https://lists.gnu.org/archive/html/bug-wget/2018-05/msg00020.html
- USN-3643-1 vendor-advisory