Description
curl 7.62.0 through 7.70.0 is vulnerable to an information disclosure vulnerability that can lead to a partial password being leaked over the network and to the DNS server(s).
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | https://github.com/curl/curl | libcurl 7.62.0 to and including 7.70.0 | — |
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 | 7.72.0-1 | — |
| Debian 13 | curl | 7.72.0-1 | — |
| Debian 12 | curl | 7.72.0-1 | — |
| Debian 10 | curl | 7.64.0-4+deb10u2 | DSA-4881-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | curl | 7.68.0-1ubuntu2.1 | USN-4402-1 |
| Ubuntu 18.04 LTS | curl | 7.58.0-2ubuntu3.9 | USN-4402-1 |
| Ubuntu 16.04 LTS | curl | 7.47.0-1ubuntu2.15 | USN-4402-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 14.04 LTS | curl | 7.35.0-1ubuntu2.20+esm4 | USN-4402-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat JBoss Core Services 1 | jbcs-httpd24 +1 | 1-18.el8jbcs | RHSA-2021:2472 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-apr +1 | 1.6.3-105.el8jbcs | RHSA-2021:2472 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-apr-util +8 | 1.6.1-82.el8jbcs | RHSA-2021:2472 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-brotli +1 | 1.0.6-40.el8jbcs | RHSA-2021:2472 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-curl +2 | 7.77.0-2.el8jbcs | RHSA-2021:2472 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-httpd +6 | 2.4.37-74.el8jbcs | RHSA-2021:2472 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-jansson +1 | 2.11-55.el8jbcs | RHSA-2021:2472 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-mod_cluster-native | 1.3.16-5.Final_redhat_2.el8jbcs | RHSA-2021:2472 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-mod_http2 | 1.15.7-17.el8jbcs | RHSA-2021:2472 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-mod_jk +2 | 1.2.48-16.redhat_1.el8jbcs | RHSA-2021:2472 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-mod_md | 1:2.0.8-36.el8jbcs | RHSA-2021:2472 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-mod_security | 2.9.2-63.GA.el8jbcs | RHSA-2021:2472 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-mod_ssl +1 | 1:2.4.37-74.el8jbcs | RHSA-2021:2472 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-nghttp2 +1 | 1.39.2-37.el8jbcs | RHSA-2021:2472 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-openssl +4 | 1:1.1.1g-6.el8jbcs | RHSA-2021:2472 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-openssl-chil | 1.0.0-5.el8jbcs | RHSA-2021:2472 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-openssl-pkcs11 | 0.4.10-20.el8jbcs | RHSA-2021:2472 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP2 | curl | 7.66.0-4.3.1 | SUSE-SU-2020:1733-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | curl | 7.79.1-1.1 | openSUSE-SU-2024:10582-1 |
| openSUSE Leap 15.2 | curl +1 | 7.66.0-lp152.3.3.1 | openSUSE-SU-2020:0883-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | curl | 7.71.0-r0 | — |
| Alpine v3.23 | curl | 7.71.0-r0 | — |
| Alpine v3.22 | curl | 7.71.0-r0 | — |
| Alpine v3.21 | curl | 7.71.0-r0 | — |
| Alpine v3.20 | curl | 7.71.0-r0 | — |
Show 11 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | curl | 7.71.0-r0 | — |
| Alpine v3.18 | curl | 7.71.0-r0 | — |
| Alpine v3.17 | curl | 7.71.0-r0 | — |
| Alpine v3.16 | curl | 7.71.0-r0 | — |
| Alpine v3.15 | curl | 7.71.0-r0 | — |
| Alpine v3.14 | curl | 7.71.0-r0 | — |
| Alpine v3.13 | curl | 7.71.0-r0 | — |
| Alpine v3.12 | curl | 7.69.1-r1 | — |
| Alpine v3.11 | curl | 7.67.0-r1 | — |
| Alpine v3.10 | curl | 7.66.0-r1 | — |
| Alpine v3.9 | curl | 7.64.0-r4 | — |
Advisories 16
- RHSA-2021:2472 Red Hat Security Advisory: Red Hat JBoss Core Services Apache HTTP Server 2.4.37 SP8 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-2023-1350 Splunk Splunk Enterprise: Mehrere Schwachstellen in Komponenten von Drittanbietern BSI CERT-Bund (WID) · Jul 1, 2026
- USN-4402-1 curl vulnerabilities Ubuntu Security Notices (USN) · Jun 29, 2026
- DSA-4881-1 curl - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10582-1 curl-7.79.1-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:1733-1 Security update for curl SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:0883-1 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-2023-1636 cURL: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 6, 2025
- ICSA-23-348-10 Siemens SIMATIC S7-1500 CISA ICS & IT advisories · Aug 12, 2025
- VDE-2022-010 PHOENIX CONTACT: Multiple Linux component vulnerabilities fixed in latest AXC F x152 LTS release CERT@VDE · May 22, 2025
- ICSA-22-069-09 Siemens SINEC INS CISA ICS & IT advisories · May 6, 2025
- ICSA-21-159-10 Siemens SIMATIC TIM libcurl CISA ICS & IT advisories · May 6, 2025
- SSA-389290 SSA-389290: Third-Party Component Vulnerabilities in SINEC INS Siemens ProductCERT · Mar 8, 2022
- SSA-200951 SSA-200951: Multiple Vulnerabilities in Third-Party Component libcurl of TIM Devices Siemens ProductCERT · Jun 8, 2021