Description
An integer overflow in curl's URL API results in a buffer overflow in libcurl 7.62.0 to and including 7.64.1.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| curl | curl | Fixed in 7.65.0 | — |
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 | 7.64.0-4 | — |
| Debian 13 | curl | 7.64.0-4 | — |
| Debian 12 | curl | 7.64.0-4 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat JBoss Core Services 1 | jbcs-httpd24-apr +1 | 1.6.3-104.jbcs.el6 | RHSA-2020:4384 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-apr-util +8 | 1.6.1-75.jbcs.el6 | RHSA-2020:4384 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-brotli +1 | 1.0.6-38.jbcs.el6 | RHSA-2020:4384 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-curl +2 | 7.64.1-44.jbcs.el6 | RHSA-2020:4384 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-httpd +6 | 2.4.37-64.jbcs.el6 | RHSA-2020:4384 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-jansson +1 | 2.11-53.jbcs.el6 | RHSA-2020:4384 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-mod_cluster-native | 1.3.14-11.Final_redhat_2.jbcs.el6 | RHSA-2020:4384 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-mod_http2 | 1.15.7-11.jbcs.el6 | RHSA-2020:4384 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-mod_jk +2 | 1.2.48-10.redhat_1.jbcs.el6 | RHSA-2020:4384 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-mod_md | 1:2.0.8-30.jbcs.el6 | RHSA-2020:4384 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-mod_security | 2.9.2-57.GA.jbcs.el6 | RHSA-2020:4384 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-mod_ssl +1 | 1:2.4.37-64.jbcs.el6 | RHSA-2020:4384 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-nghttp2 +1 | 1.39.2-34.jbcs.el6 | RHSA-2020:4384 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-openssl +4 | 1:1.1.1c-32.jbcs.el6 | RHSA-2020:4384 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-openssl-chil | 1.0.0-1.jbcs.el7 | RHSA-2020:4384 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | curl | 7.79.1-1.1 | openSUSE-SU-2024:10582-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | curl | 7.65.0-r0 | — |
| Alpine v3.23 | curl | 7.65.0-r0 | — |
| Alpine v3.22 | curl | 7.65.0-r0 | — |
| Alpine v3.21 | curl | 7.65.0-r0 | — |
| Alpine v3.20 | curl | 7.65.0-r0 | — |
Show 11 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | curl | 7.65.0-r0 | — |
| Alpine v3.18 | curl | 7.65.0-r0 | — |
| Alpine v3.17 | curl | 7.65.0-r0 | — |
| Alpine v3.16 | curl | 7.65.0-r0 | — |
| Alpine v3.15 | curl | 7.65.0-r0 | — |
| Alpine v3.14 | curl | 7.65.0-r0 | — |
| Alpine v3.13 | curl | 7.65.0-r0 | — |
| Alpine v3.12 | curl | 7.65.0-r0 | — |
| Alpine v3.11 | curl | 7.65.0-r0 | — |
| Alpine v3.10 | curl | 7.65.0-r0 | — |
| Alpine v3.9 | curl | 7.64.0-r2 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | curl +2 | 7.61.1-11.amzn2.0.2 | ALAS2-2019-1233 |
Advisories 6
- RHSA-2020:4384 Red Hat Security Advisory: Red Hat JBoss Core Services Apache HTTP Server 2.4.37 SP5 security update Red Hat Security Advisories (RHSA) · Oct 14, 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
- openSUSE-SU-2024:10582-1 curl-7.79.1-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2023-1639 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
- ALAS2-2019-1233 Low: curl security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Jul 22, 2019
References
- FEDORA-2019-697de0501f vendor-advisory
- GLSA-202003-29 vendor-advisory
- https://www.oracle.com/security-alerts/cpuapr2020.html
- https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
- https://www.oracle.com/security-alerts/cpuoct2020.html
- https://curl.haxx.se/docs/CVE-2019-5435.html
- https://security.netapp.com/advisory/ntap-20190606-0004/
- https://support.f5.com/csp/article/K08125515