Description
An insufficiently protected credentials vulnerability exists in curl 4.9 to and include curl 7.82.0 are affected that could allow an attacker to extract credentials when follows HTTP(S) redirects is used with authentication could leak credentials to other services that exist on different protocols or port numbers.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | https://github.com/curl/curl | curl 4.9 to and include curl 7.82.0 are affected | — |
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 | curl | 7.83.0-1 | — |
| Debian 13 | curl | 7.83.0-1 | — |
| Debian 12 | curl | 7.83.0-1 | — |
| Debian 11 | curl | 7.74.0-1.3+deb11u2 | DSA-5197-1 |
| Debian 10 | curl | 7.64.0-4+deb10u4 | DLA-3288-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | curl | 7.81.0-1ubuntu1.1 | USN-5397-1 |
| Ubuntu 20.04 LTS | curl | 7.68.0-1ubuntu2.10 | USN-5397-1 |
| Ubuntu 18.04 LTS | curl | 7.58.0-2ubuntu3.17 | USN-5397-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | curl | No fix yet | — |
| Ubuntu Pro 14.04 LTS | curl | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | curl +4 | 7.76.1-14.el9_0.4 | RHSA-2022:5245 |
| RHEL 8 | curl +3 | 7.61.1-22.el8_6.3 | RHSA-2022:5313 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 8 | curl +3 | 7.61.1-22.el8_6.3 | ALSA-2022:5313 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | curl | 7.61.1-22.el8_6.3 | RLSA-2022:5313 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP5 | curl | 8.0.1-11.65.2 | SUSE-SU-2023:2225-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP5 | curl | 8.0.1-11.65.2 | SUSE-SU-2023:2225-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | curl | 7.83.0-1.1 | openSUSE-SU-2024:12028-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | curl | 7.83.0-r0 | — |
| Alpine v3.23 | curl | 7.83.0-r0 | — |
| Alpine v3.22 | curl | 7.83.0-r0 | — |
| Alpine v3.21 | curl | 7.83.0-r0 | — |
| Alpine v3.20 | curl | 7.83.0-r0 | — |
Show 8 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | curl | 7.83.0-r0 | — |
| Alpine v3.18 | curl | 7.83.0-r0 | — |
| Alpine v3.17 | curl | 7.83.0-r0 | — |
| Alpine v3.16 | curl | 7.83.0-r0 | — |
| Alpine v3.15 | curl | 7.80.0-r1 | — |
| Alpine v3.14 | curl | 7.79.1-r1 | — |
| Alpine v3.13 | curl | 7.79.1-r1 | — |
| Alpine v3.12 | curl | 7.79.1-r1 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | curl +4 | 7.87.0-2.amzn2023.0.2 | ALAS2023-2023-083 |
| Amazon Linux 2 | curl +2 | 7.79.1-2.amzn2.0.1 | ALAS2-2022-1792 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | curl +4 | 7.76.1-14.el9_0.4 | ELSA-2022-5245 |
| Oracle Linux 8 | curl +3 | 7.61.1-22.el8_6.3 | ELSA-2022-5313 |
Advisories 24
- ALSA-2022:5313 Moderate: curl security update AlmaLinux Security Advisories · Oct 29, 2026
- SSA-398330 SSA-398330: Vulnerabilities in the additional GNU/Linux subsystem of the SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP >= V3.1.0 and < V3.1.5 Siemens ProductCERT · Oct 13, 2026
- WID-SEC-2023-1350 Splunk Splunk Enterprise: Mehrere Schwachstellen in Komponenten von Drittanbietern BSI CERT-Bund (WID) · Jul 1, 2026
- RHSA-2022:5313 Red Hat Security Advisory: curl security update Red Hat Security Advisories (RHSA) · Jun 30, 2026
- RHSA-2022:5245 Red Hat Security Advisory: curl security update Red Hat Security Advisories (RHSA) · Jun 30, 2026
- USN-5397-1 curl vulnerabilities Ubuntu Security Notices (USN) · May 29, 2026
- DSA-5197-1 curl - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-3288-1 curl - security update Debian Security (DSA / DLA) · Mar 9, 2026
- RLSA-2022:5313 Moderate: curl security update Rocky Linux Security Advisories · Feb 5, 2026
- openSUSE-SU-2024:12028-1 curl-7.83.0-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:2225-1 Security update for curl SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2026-0180 Dell Data Protection Advisor: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jan 20, 2026
- WID-SEC-2023-2229 Splunk Splunk Enterprise: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 18, 2025
- WID-SEC-2022-0522 cURL: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 6, 2025
- WID-SEC-2024-3377 Dell PowerProtect Data Domain: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 12, 2025
- ICSA-23-348-10 Siemens SIMATIC S7-1500 CISA ICS & IT advisories · Aug 12, 2025
- VDE-2022-046 PHOENIX CONTACT: Multiple Linux component vulnerabilities in PLCnext Firmware CERT@VDE · May 22, 2025
- ALAS2023-2023-083 Moderate: curl security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Feb 15, 2024
- WID-SEC-2023-1614 Tenable Security Nessus Network Monitor: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 25, 2023
- WID-SEC-2023-1728 Autodesk AutoCAD: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jul 11, 2023
- WID-SEC-2022-1461 IBM Spectrum Protect: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jun 20, 2023
- ELSA-2022-5313 Moderate: curl security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Jun 30, 2022
- ELSA-2022-5245 Moderate: curl security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Jun 30, 2022
- ALAS2-2022-1792 Moderate: curl security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · May 5, 2022
References
- https://hackerone.com/reports/1543773
- https://security.netapp.com/advisory/ntap-20220609-0008/
- DSA-5197 vendor-advisory
- GLSA-202212-01 vendor-advisory
- [debian-lts-announce] 20230128 [SECURITY] [DLA 3288-1] curl security update mailing-list