Description
libcurl provides the `CURLOPT_CERTINFO` option to allow applications torequest details to be returned about a server's certificate chain.Due to an erroneous function, a malicious server could make libcurl built withNSS get stuck in a never-ending busy-loop when trying to retrieve thatinformation.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | https://github.com/curl/curl | Fixed in 7.83.1 | — |
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 | 7.83.1-1 | — |
| Debian 13 | curl | 7.83.1-1 | — |
| Debian 12 | curl | 7.83.1-1 | — |
| Debian 11 | curl | 7.74.0-1.3+deb11u2 | DSA-5197-1 |
| Debian 10 | curl | 7.64.0-4+deb10u3 | DLA-3085-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | curl | 7.81.0-1ubuntu1.2 | USN-5412-1 |
| Ubuntu 20.04 LTS | curl | 7.68.0-1ubuntu2.11 | USN-5412-1 |
| Ubuntu 18.04 LTS | curl | 7.58.0-2ubuntu3.18 | USN-5412-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | curl | 7.47.0-1ubuntu2.19+esm4 | USN-5499-1 |
| Ubuntu Pro 14.04 LTS | curl | 7.35.0-1ubuntu2.20+esm11 | USN-5499-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat JBoss Core Services 1 | jbcs-httpd24-curl +2 | 7.86.0-2.el7jbcs | RHSA-2022:8840 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-httpd +6 | 2.4.51-37.el7jbcs | RHSA-2022:8840 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-mod_http2 | 1.15.19-20.el7jbcs | RHSA-2022:8840 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-mod_ssl +1 | 1:2.4.51-37.el7jbcs | RHSA-2022:8840 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-openssl +4 | 1:1.1.1k-13.el7jbcs | RHSA-2022:8840 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP3 | curl | 7.66.0-150200.4.33.1 | SUSE-SU-2022:1870-1 |
| SLES 15 SP2 | curl | 7.66.0-150200.4.33.1 | SUSE-SU-2022:1870-1 |
| SLES 15 SP1 | curl | 7.60.0-150000.33.1 | SUSE-SU-2022:2829-1 |
| SLES 15 | curl | 7.60.0-150000.33.1 | SUSE-SU-2022:2829-1 |
| SLES 12 SP5 | curl | 7.60.0-11.40.2 | SUSE-SU-2022:1805-1 |
Show 24 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP4 | curl | 7.60.0-4.38.1 | SUSE-SU-2022:2813-1 |
| SLES 12 SP3 | curl | 7.37.0-37.76.1 | SUSE-SU-2022:1733-1 |
| SLES 12 SP2 | curl | 7.37.0-37.76.1 | SUSE-SU-2022:1733-1 |
| SLES for SAP 15 SP2 | curl | 7.66.0-150200.4.33.1 | SUSE-SU-2022:1870-1 |
| SLES for SAP 15 SP1 | curl | 7.60.0-150000.33.1 | SUSE-SU-2022:2829-1 |
| SLES for SAP 15 | curl | 7.60.0-150000.33.1 | SUSE-SU-2022:2829-1 |
| SLES for SAP 12 SP5 | curl | 7.60.0-11.40.2 | SUSE-SU-2022:1805-1 |
| SLES for SAP 12 SP4 | curl | 7.60.0-4.38.1 | SUSE-SU-2022:2813-1 |
| SLES for SAP 12 SP3 | curl | 7.37.0-37.76.1 | SUSE-SU-2022:1733-1 |
| SLE Micro 5.2 | curl | 7.66.0-150200.4.33.1 | SUSE-SU-2022:1870-1 |
| SLE Micro 5.1 | curl | 7.66.0-150200.4.33.1 | SUSE-SU-2022:1870-1 |
| SLE HPC 15 SP2 | curl | 7.66.0-150200.4.33.1 | SUSE-SU-2022:1870-1 |
| SLE HPC 15 SP1 | curl | 7.60.0-150000.33.1 | SUSE-SU-2022:2829-1 |
| SLE HPC 15 | curl | 7.60.0-150000.33.1 | SUSE-SU-2022:2829-1 |
| SUSE OpenStack Cloud Crowbar 9 | curl | 7.60.0-4.38.1 | SUSE-SU-2022:2813-1 |
| SUSE OpenStack Cloud Crowbar 8 | curl | 7.37.0-37.76.1 | SUSE-SU-2022:1733-1 |
| SUSE OpenStack Cloud 9 | curl | 7.60.0-4.38.1 | SUSE-SU-2022:2813-1 |
| SUSE OpenStack Cloud 8 | curl | 7.37.0-37.76.1 | SUSE-SU-2022:1733-1 |
| SUSE Manager Server 4.1 | curl | 7.66.0-150200.4.33.1 | SUSE-SU-2022:1870-1 |
| SUSE Manager Retail Branch Server 4.1 | curl | 7.66.0-150200.4.33.1 | SUSE-SU-2022:1870-1 |
| SUSE Manager Proxy 4.1 | curl | 7.66.0-150200.4.33.1 | SUSE-SU-2022:1870-1 |
| SUSE HPE Helion OpenStack 8 | curl | 7.37.0-37.76.1 | SUSE-SU-2022:1733-1 |
| SUSE Enterprise Storage 7 | curl | 7.66.0-150200.4.33.1 | SUSE-SU-2022:1870-1 |
| SUSE Enterprise Storage 6 | curl | 7.60.0-150000.33.1 | SUSE-SU-2022:2829-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | curl | 7.83.1-1.1 | openSUSE-SU-2024:12062-1 |
| openSUSE Leap 15.3 | curl | 7.66.0-150200.4.33.1 | SUSE-SU-2022:1870-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | curl | 7.83.1-r0 | — |
| Alpine v3.23 | curl | 7.83.1-r0 | — |
| Alpine v3.22 | curl | 7.83.1-r0 | — |
| Alpine v3.21 | curl | 7.83.1-r0 | — |
| Alpine v3.20 | curl | 7.83.1-r0 | — |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | curl | 7.83.1-r0 | — |
| Alpine v3.18 | curl | 7.83.1-r0 | — |
| Alpine v3.17 | curl | 7.83.1-r0 | — |
| Alpine v3.16 | curl | 7.83.1-r0 | — |
| Alpine v3.15 | curl | 7.80.0-r2 | — |
| Alpine v3.14 | curl | 7.79.1-r2 | — |
| Alpine v3.13 | curl | 7.79.1-r2 | — |
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 | 7.87.0-2.amzn2.0.1 | ALAS2-2023-1924 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | curl | 7.83.1-1 | — |
Advisories 26
- RHSA-2022:8840 Red Hat Security Advisory: Red Hat JBoss Core Services Apache HTTP Server 2.4.51 SP1 security update Red Hat Security Advisories (RHSA) · Oct 15, 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-2024-0794 Dell ECS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 11, 2026
- WID-SEC-2023-1350 Splunk Splunk Enterprise: Mehrere Schwachstellen in Komponenten von Drittanbietern BSI CERT-Bund (WID) · Jul 1, 2026
- USN-5499-1 curl vulnerabilities Ubuntu Security Notices (USN) · Jun 29, 2026
- USN-5412-1 curl vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- DSA-5197-1 curl - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-3085-1 curl - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:12062-1 curl-7.83.1-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:1805-1 Security update for curl SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:2813-1 Security update for curl SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:2829-1 Security update for curl SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:1870-1 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-2022-0277 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
- ICSA-23-194-01 Siemens RUGGEDCOM ROX CISA ICS & IT advisories · May 6, 2025
- SUSE-SU-2022:1733-1 Security update for curl SUSE / openSUSE Security Updates · May 2, 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
- SSA-146325 SSA-146325: Multiple Vulnerabilities in RUGGEDCOM ROX before V2.16 Siemens ProductCERT · Jul 11, 2023
- ALAS2-2023-1924 Moderate: curl security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Feb 4, 2023
References
- https://hackerone.com/reports/1555441
- https://security.netapp.com/advisory/ntap-20220609-0009/
- DSA-5197 vendor-advisory
- [debian-lts-announce] 20220828 [SECURITY] [DLA 3085-1] curl security update mailing-list
- GLSA-202212-01 vendor-advisory