Description
CRLF injection vulnerability in the url_parse function in url.c in Wget through 1.19.1 allows remote attackers to inject arbitrary HTTP headers via CRLF sequences in the host subcomponent of a URL.
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 | 1.19.1-2 | — |
| Debian 13 | wget | 1.19.1-2 | — |
| Debian 12 | wget | 1.19.1-2 | — |
| Debian 7 | wget | 1.13.4-3+deb7u4 | DLA-851-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | wget | 1.17.1-1ubuntu1.3 | USN-3464-1 |
| Ubuntu 14.04 LTS | wget | 1.15-1ubuntu1.14.04.3 | USN-3464-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP2 | wget | 1.14-20.1 | SUSE-SU-2017:0800-1 |
| SLES 12 SP1 | wget | 1.14-20.1 | SUSE-SU-2017:0800-1 |
| SLES 11 SP4 | wget | 1.11.4-1.40.1 | SUSE-SU-2017:0799-1 |
| SLES 11 | wget-openssl1 | 1.11.4-1.40.1 | SUSE-SU-2017:0799-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP2 | wget | 1.14-20.1 | SUSE-SU-2017:0800-1 |
| SLES for SAP 12 SP1 | wget | 1.14-20.1 | SUSE-SU-2017:0800-1 |
| SLES for SAP 11 SP4 | wget | 1.11.4-1.40.1 | SUSE-SU-2017:0799-1 |
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 | 1.19.1-r1 | — |
| Alpine v3.23 | wget | 1.19.1-r1 | — |
| Alpine v3.22 | wget | 1.19.1-r1 | — |
| Alpine v3.21 | wget | 1.19.1-r1 | — |
| Alpine v3.20 | wget | 1.19.1-r1 | — |
Show 17 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | wget | 1.19.1-r1 | — |
| Alpine v3.18 | wget | 1.19.1-r1 | — |
| Alpine v3.17 | wget | 1.19.1-r1 | — |
| Alpine v3.16 | wget | 1.19.1-r1 | — |
| Alpine v3.15 | wget | 1.19.1-r1 | — |
| Alpine v3.14 | wget | 1.19.1-r1 | — |
| Alpine v3.13 | wget | 1.19.1-r1 | — |
| Alpine v3.12 | wget | 1.19.1-r1 | — |
| Alpine v3.11 | wget | 1.19.1-r1 | — |
| Alpine v3.10 | wget | 1.19.1-r1 | — |
| Alpine v3.9 | wget | 1.19.1-r1 | — |
| Alpine v3.8 | wget | 1.19.1-r1 | — |
| Alpine v3.7 | wget | 1.19.1-r1 | — |
| Alpine v3.6 | wget | 1.19.1-r1 | — |
| Alpine v3.4 | wget | 1.18-r1 | — |
| Alpine v3.3 | wget | 1.17.1-r2 | — |
| Alpine v3.2 | wget | 1.18-r1 | — |
Advisories 5
- DLA-851-1 wget - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-3464-1 wget vulnerabilities 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-2017:0800-1 Security update for wget SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0799-1 Security update for wget SUSE / openSUSE Security Updates · Feb 4, 2026