Vulnerability · Published Jun 11, 2025 · Assigned by Go
CVE-2025-4673Sensitive headers not cleared on cross-origin redirect in net/http
Medium 6.8
In plain English
A medium-severity security flaw in net/http from Go standard library. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 52% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.8Medium
Exploit odds (30 days)0.7%top 48.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Proxy-Authorization and Proxy-Authenticate headers persisted on cross-origin redirects potentially leaking sensitive information.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | delve | 1.24.1-1.module_el8.10.0+3977+66935a26 | ALSA-2025:10672 |
| AlmaLinux:9 | git-lfs | 3.7.1-4.el9_8 | ALSA-2026:19350 |
| AlmaLinux:8 | go-toolset | 1.24.4-1.module_el8.10.0+4027+41c6fed2 | ALSA-2025:10672 |
| AlmaLinux:9 | go-toolset | 1.24.4-1.el9_6 | ALSA-2025:10676 |
| AlmaLinux:8 | golang | 1.24.4-1.module_el8.10.0+4027+41c6fed2 | ALSA-2025:10672 |
| AlmaLinux:9 | golang | 1.24.4-1.el9_6 | ALSA-2025:10676 |
| AlmaLinux:8 | golang-bin | 1.24.4-1.module_el8.10.0+4027+41c6fed2 | ALSA-2025:10672 |
| AlmaLinux:9 | golang-bin | 1.24.4-1.el9_6 | ALSA-2025:10676 |
| AlmaLinux:10 | golang-docs | 1.24.4-1.el10_0.alma.1 | ALSA-2025:10677 |
| AlmaLinux:8 | golang-docs | 1.24.4-1.module_el8.10.0+4027+41c6fed2 | ALSA-2025:10672 |
| AlmaLinux:9 | golang-docs | 1.24.4-1.el9_6 | ALSA-2025:10676 |
| AlmaLinux:10 | golang-misc | 1.24.4-1.el10_0.alma.1 | ALSA-2025:10677 |
| AlmaLinux:8 | golang-misc | 1.24.4-1.module_el8.10.0+4027+41c6fed2 | ALSA-2025:10672 |
| AlmaLinux:9 | golang-misc | 1.24.4-1.el9_6 | ALSA-2025:10676 |
| AlmaLinux:9 | golang-race | 1.24.4-1.el9_6 | ALSA-2025:10676 |
| AlmaLinux:10 | golang-src | 1.24.4-1.el10_0.alma.1 | ALSA-2025:10677 |
| AlmaLinux:8 | golang-src | 1.24.4-1.module_el8.10.0+4027+41c6fed2 | ALSA-2025:10672 |
| AlmaLinux:9 | golang-src | 1.24.4-1.el9_6 | ALSA-2025:10676 |
| AlmaLinux:10 | golang-tests | 1.24.4-1.el10_0.alma.1 | ALSA-2025:10677 |
| AlmaLinux:8 | golang-tests | 1.24.4-1.module_el8.10.0+4027+41c6fed2 | ALSA-2025:10672 |
| AlmaLinux:9 | golang-tests | 1.24.4-1.el9_6 | ALSA-2025:10676 |
| AlmaLinux:10 | opentelemetry-collector | 0.127.0-3.el10_0 | ALSA-2025:16432 |
| AlmaLinux:9 | opentelemetry-collector | 0.127.0-2.el9_6 | ALSA-2025:15887 |
| Alpine:v3.22 | go | 1.24.4-r0 | ALPINE-CVE-2025-4673 |
| Alpine:v3.23 | go | 1.24.4-r0 | ALPINE-CVE-2025-4673 |
| Alpine:v3.24 | go | 1.24.4-r0 | ALPINE-CVE-2025-4673 |
| Debian:12 | golang-1.19 | no fix listed | DEBIAN-CVE-2025-4673 |
| Debian:13 | golang-1.24 | 1.24.4-1 | DEBIAN-CVE-2025-4673 |
| Go | stdlib | 1.23.10, 1.24.4 | GO-2025-3751 |
| Rocky Linux:8 | delve | 0:1.24.1-1.module+el8.10.0+1951+c74bd827 | RLSA-2025:10672 |
| Rocky Linux:8 | delve | 0:1.24.1-1.module+el8.10.0+1987+42f155bb | RLSA-2025:10672 |
| Rocky Linux:8 | go-toolset | 0:1.24.4-1.module+el8.10.0+2008+0bb8dc3e | RLSA-2025:10672 |
| Rocky Linux:10 | golang | 0:1.24.4-1.el10_0 | RLSA-2025:10677 |
| Rocky Linux:8 | golang | 0:1.24.4-1.module+el8.10.0+2008+0bb8dc3e | RLSA-2025:10672 |
| Rocky Linux:9 | golang | 0:1.24.4-1.el9_6 | RLSA-2025:10676 |
| Rocky Linux:10 | opentelemetry-collector | 0:0.127.0-3.el10_0 | RLSA-2025:16432 |
| Rocky Linux:9 | opentelemetry-collector | 0:0.127.0-2.el9_6 | RLSA-2025:15887 |
| Ubuntu:22.04:LTS | golang-1.17 | no fix listed | UBUNTU-CVE-2025-4673 |
| Ubuntu:22.04:LTS | golang-1.18 | no fix listed | UBUNTU-CVE-2025-4673 |
| Ubuntu:22.04:LTS | golang-1.20 | no fix listed | UBUNTU-CVE-2025-4673 |
| Ubuntu:22.04:LTS | golang-1.21 | no fix listed | UBUNTU-CVE-2025-4673 |
| Ubuntu:24.04:LTS | golang-1.21 | no fix listed | UBUNTU-CVE-2025-4673 |
| Ubuntu:22.04:LTS | golang-1.22 | 1.22.2-2~22.04.3 | USN-7574-1 |
| Ubuntu:22.04:LTS | golang-1.22 | 1.22.2-2~22.04.3 | UBUNTU-CVE-2025-4673 |
| Ubuntu:24.04:LTS | golang-1.22 | 1.22.2-2ubuntu0.4 | USN-7574-1 |
| Ubuntu:24.04:LTS | golang-1.22 | 1.22.2-2ubuntu0.4 | UBUNTU-CVE-2025-4673 |
| Ubuntu:22.04:LTS | golang-1.23 | no fix listed | UBUNTU-CVE-2025-4673 |
| Ubuntu:24.04:LTS | golang-1.23 | no fix listed | UBUNTU-CVE-2025-4673 |
| Ubuntu:25.10 | golang-1.23 | no fix listed | UBUNTU-CVE-2025-4673 |
| Ubuntu:26.04:LTS | golang-1.23 | no fix listed | UBUNTU-CVE-2025-4673 |
| Ubuntu:22.04:LTS | golang-1.24 | no fix listed | UBUNTU-CVE-2025-4673 |
| Ubuntu:24.04:LTS | golang-1.24 | no fix listed | UBUNTU-CVE-2025-4673 |
| Ubuntu:25.10 | golang-1.24 | no fix listed | UBUNTU-CVE-2025-4673 |
| Ubuntu:26.04:LTS | golang-1.24 | no fix listed | UBUNTU-CVE-2025-4673 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Go standard library | net/http | 0 – before 1.23.101.24.0-0 – before 1.24.4 |