Description
An information disclosure vulnerability exists in curl 7.65.0 to 7.82.0 are vulnerable that by using an IPv6 address that was in the connection pool but with a different zone id it could reuse a connection instead.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | https://github.com/curl/curl | curl 7.65.0 to 7.82.0 are vulnerable | — |
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 |
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 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | curl +4 | 7.76.1-19.el9 | RHSA-2022:8299 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | curl +4 | 7.76.1-19.el9 | ALSA-2022:8299 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 9 | curl | 7.76.1-19.el9_1.1 | RLSA-2022:8299 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP3 | curl | 7.66.0-150200.4.30.1 | SUSE-SU-2022:1657-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLE Micro 5.2 | curl | 7.66.0-150200.4.30.1 | SUSE-SU-2022:1657-1 |
| SLE Micro 5.1 | curl | 7.66.0-150200.4.30.1 | SUSE-SU-2022:1657-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | curl | 7.83.0-1.1 | openSUSE-SU-2024:12028-1 |
| openSUSE Leap 15.3 | curl | 7.66.0-150200.4.30.1 | SUSE-SU-2022:1657-1 |
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 | 7.76.1-19.el9 | ELSA-2022-8299 |
Advisories 19
- ALSA-2022:8299 Low: 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-2022:8299 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
- RLSA-2022:8299 Low: 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-2022:1657-1 Security update for curl SUSE / openSUSE Security Updates · Feb 4, 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
- ELSA-2022-8299 Low: curl security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Nov 22, 2022
- ALAS2-2022-1792 Moderate: curl security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · May 5, 2022
References
- https://hackerone.com/reports/1546268
- https://security.netapp.com/advisory/ntap-20220609-0008/
- DSA-5197 vendor-advisory
- GLSA-202212-01 vendor-advisory