Description
Double-free vulnerability in the FTP-kerberos code in cURL 7.52.0 to 7.65.3.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | curl | 7.52.0 to 7.65.3 | — |
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 | 7.66.0-1 | — |
| Debian 13 | curl | 7.66.0-1 | — |
| Debian 12 | curl | 7.66.0-1 | — |
| Debian 10 | curl | 7.64.0-4+deb10u1 | DSA-4633-1 |
| Debian 9 | curl | 7.52.1-5+deb9u10 | DSA-4633-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | curl | 7.58.0-2ubuntu3.8 | USN-4129-1 |
| Ubuntu 16.04 LTS | curl | 7.47.0-1ubuntu2.14 | USN-4129-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | curl +3 | 7.61.1-12.el8 | RHSA-2020:1792 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat JBoss Core Services 1 | jbcs-httpd24-apr +1 | 1.6.3-73.jbcs.el6 | RHSA-2020:0250 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-apr-util +8 | 1.6.1-54.jbcs.el6 | RHSA-2020:0250 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-brotli +1 | 1.0.6-9.jbcs.el6 | RHSA-2020:0250 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-curl +2 | 7.64.1-21.jbcs.el6 | RHSA-2020:0250 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-httpd +6 | 2.4.37-41.jbcs.el6 | RHSA-2020:0250 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-jansson +1 | 2.11-24.jbcs.el6 | RHSA-2020:0250 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-mod_cluster-native | 1.3.12-13.Final_redhat_2.jbcs.el6 | RHSA-2020:0250 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-mod_http2 | 1.11.3-8.jbcs.el6 | RHSA-2020:0250 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-mod_jk +2 | 1.2.46-26.redhat_1.jbcs.el6 | RHSA-2020:0250 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-mod_md | 1:2.0.8-10.jbcs.el6 | RHSA-2020:0250 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-mod_security | 2.9.2-20.GA.jbcs.el6 | RHSA-2020:0250 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-mod_ssl +1 | 1:2.4.37-41.jbcs.el6 | RHSA-2020:0250 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-nghttp2 +1 | 1.39.2-10.jbcs.el6 | RHSA-2020:0250 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-openssl +4 | 1:1.1.1c-4.jbcs.el6 | RHSA-2020:0250 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP1 | curl | 7.60.0-3.23.1 | SUSE-SU-2019:2373-1 |
| SLES 15 | curl | 7.60.0-3.23.1 | SUSE-SU-2019:2373-1 |
| SLES 12 SP4 | curl | 7.60.0-4.9.1 | SUSE-SU-2019:2381-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP4 | curl | 7.60.0-4.9.1 | SUSE-SU-2019:2381-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | curl | 7.79.1-1.1 | openSUSE-SU-2024:10582-1 |
| openSUSE Leap 15.1 | curl +1 | 7.60.0-lp151.5.6.1 | openSUSE-SU-2019:2149-1 |
| openSUSE Leap 15.0 | curl | 7.60.0-lp150.2.25.1 | openSUSE-SU-2019:2169-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | curl | 7.66.0-r0 | — |
| Alpine v3.23 | curl | 7.66.0-r0 | — |
| Alpine v3.22 | curl | 7.66.0-r0 | — |
| Alpine v3.21 | curl | 7.66.0-r0 | — |
| Alpine v3.20 | curl | 7.66.0-r0 | — |
Show 13 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | curl | 7.66.0-r0 | — |
| Alpine v3.18 | curl | 7.66.0-r0 | — |
| Alpine v3.17 | curl +1 | 7.66.0-r0 | — |
| Alpine v3.16 | curl +1 | 7.66.0-r0 | — |
| Alpine v3.15 | curl | 7.66.0-r0 | — |
| Alpine v3.14 | curl | 7.66.0-r0 | — |
| Alpine v3.13 | curl | 7.66.0-r0 | — |
| Alpine v3.12 | curl | 7.66.0-r0 | — |
| Alpine v3.11 | curl | 7.66.0-r0 | — |
| Alpine v3.10 | curl | 7.66.0-r0 | — |
| Alpine v3.9 | curl | 7.64.0-r3 | — |
| Alpine v3.8 | curl | 7.61.1-r3 | — |
| Alpine v3.7 | curl | 7.61.1-r3 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | curl +2 | 7.61.1-12.amzn2.0.1 | ALAS2-2019-1340 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | curl +3 | 7.61.1-12.el8 | ELSA-2020-1792 |
Advisories 16
- WID-SEC-2026-4026 Red Hat OpenShift: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 18, 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
- RHSA-2020:1792 Red Hat Security Advisory: curl security update Red Hat Security Advisories (RHSA) · Sep 21, 2026
- RHSA-2020:0250 Red Hat Security Advisory: Red Hat JBoss Core Services Apache HTTP Server 2.4.37 SP1 Security Update Red Hat Security Advisories (RHSA) · Sep 21, 2026
- USN-4129-1 curl vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- DSA-4633-1 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
- openSUSE-SU-2019:2149-1 Security update for curl SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:2381-1 Security update for curl SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2019:2169-1 Security update for curl SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:2373-1 Security update for curl SUSE / openSUSE Security Updates · Feb 4, 2026
- ICSA-23-348-10 Siemens SIMATIC S7-1500 CISA ICS & IT advisories · Aug 12, 2025
- WID-SEC-2023-1637 cURL: Mehrere Schwachstellen ermöglichen nicht spezifizierten Angriff BSI CERT-Bund (WID) · Feb 4, 2025
- WID-SEC-2023-1049 Oracle MySQL: Mehrere Schwachstellen BSI CERT-Bund (WID) · Apr 20, 2023
- ELSA-2020-1792 Moderate: curl security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · May 5, 2020
- ALAS2-2019-1340 Moderate: curl security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Oct 24, 2019
References
- openSUSE-SU-2019:2149 vendor-advisory
- FEDORA-2019-9e6357d82f vendor-advisory
- FEDORA-2019-6d7f6fa2c8 vendor-advisory
- openSUSE-SU-2019:2169 vendor-advisory
- FEDORA-2019-f2a520135e vendor-advisory
- DSA-4633 vendor-advisory
- 20200225 [SECURITY] [DSA 4633-1] curl security update mailing-list
- GLSA-202003-29 vendor-advisory
- https://www.oracle.com/security-alerts/cpuapr2020.html
- https://www.oracle.com/security-alerts/cpujan2020.html
- https://www.oracle.com/security-alerts/cpuoct2020.html
- https://curl.haxx.se/docs/CVE-2019-5481.html
- https://security.netapp.com/advisory/ntap-20191004-0003/