Description
curl version curl 7.20.0 to and including curl 7.59.0 contains a CWE-126: Buffer Over-read vulnerability in denial of service that can result in curl can be tricked into reading data beyond the end of a heap based buffer used to store downloaded RTSP content.. This vulnerability appears to have been fixed in curl < 7.20.0 and curl >= 7.60.0.
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 | 7.60.0-1 | — |
| Debian 13 | curl | 7.60.0-1 | — |
| Debian 12 | curl | 7.60.0-1 | — |
| Debian 9 | curl | 7.52.1-5+deb9u6 | DSA-4202-1 |
| Debian 8 | curl | 7.38.0-4+deb8u11 | DSA-4202-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 7 | curl | 7.26.0-1+wheezy25+deb7u1 | DLA-1379-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | curl | 7.58.0-2ubuntu3.1 | USN-3648-1 |
| Ubuntu 16.04 LTS | curl | 7.47.0-1ubuntu2.8 | USN-3648-1 |
| Ubuntu 14.04 LTS | curl | 7.35.0-1ubuntu2.16 | USN-3648-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | curl +2 | 7.29.0-51.el7 | RHSA-2018:3157 |
| RHEL 7 | nss-pem | 1.0.3-5.el7 | RHSA-2018:3157 |
| RHEL 3 | httpd24-curl +2 | 7.61.1-1.el6 | RHSA-2018:3558 |
| RHEL 3 | httpd24-httpd +5 | 2.4.34-7.el6 | RHSA-2018:3558 |
| RHEL 3 | httpd24-mod_md | 2.4.34-7.el7 | RHSA-2018:3558 |
| RHEL 3 | httpd24-mod_ssl +1 | 1:2.4.34-7.el6 | RHSA-2018:3558 |
| RHEL 3 | httpd24-nghttp2 +2 | 1.7.1-7.el6 | RHSA-2018:3558 |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7.5 EUS | curl +2 | 7.29.0-46.el7_5.1 | RHSA-2020:0544 |
| RHEL 7.4 TUS | curl +2 | 7.29.0-42.el7_4.2 | RHSA-2020:0594 |
| RHEL 7.4 E4S | curl +2 | 7.29.0-42.el7_4.2 | RHSA-2020:0594 |
| RHEL 7.4 AUS | curl +2 | 7.29.0-42.el7_4.2 | RHSA-2020:0594 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP3 | curl | 7.37.0-37.23.1 | SUSE-SU-2018:1327-1 |
| SLES 12 SP2 | curl | 7.37.0-37.23.1 | SUSE-SU-2018:1327-2, SUSE-SU-2018:1327-1 |
| SLES 12 SP1 | curl | 7.37.0-37.23.1 | SUSE-SU-2018:1327-1 |
| SLES 12 | curl | 7.37.0-37.23.1 | SUSE-SU-2018:1327-1 |
| SLES 11 SP4 | curl | 7.37.0-70.30.1 | SUSE-SU-2018:1478-1 |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 11 | curl-openssl1 | 7.37.0-70.30.1 | SUSE-SU-2018:1478-1 |
| SLES for SAP 12 SP3 | curl | 7.37.0-37.23.1 | SUSE-SU-2018:1327-1 |
| SLES for SAP 12 SP2 | curl | 7.37.0-37.23.1 | SUSE-SU-2018:1327-1 |
| SLES for SAP 12 SP1 | curl | 7.37.0-37.23.1 | SUSE-SU-2018:1327-1 |
| SLES for SAP 11 SP4 | curl | 7.37.0-70.30.1 | SUSE-SU-2018:1478-1 |
| SUSE OpenStack Cloud 7 | curl | 7.37.0-37.23.1 | SUSE-SU-2018:1327-1 |
| SUSE Enterprise Storage 4 | curl | 7.37.0-37.23.1 | SUSE-SU-2018:1327-1 |
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 | 7.60.0-r0 | — |
| Alpine v3.23 | curl | 7.60.0-r0 | — |
| Alpine v3.22 | curl | 7.60.0-r0 | — |
| Alpine v3.21 | curl | 7.60.0-r0 | — |
| Alpine v3.20 | curl | 7.60.0-r0 | — |
Show 16 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | curl | 7.60.0-r0 | — |
| Alpine v3.18 | curl | 7.60.0-r0 | — |
| Alpine v3.17 | curl | 7.60.0-r0 | — |
| Alpine v3.16 | curl | 7.60.0-r0 | — |
| Alpine v3.15 | curl | 7.60.0-r0 | — |
| Alpine v3.14 | curl | 7.60.0-r0 | — |
| Alpine v3.13 | curl | 7.60.0-r0 | — |
| Alpine v3.12 | curl | 7.60.0-r0 | — |
| Alpine v3.11 | curl | 7.60.0-r0 | — |
| Alpine v3.10 | curl | 7.60.0-r0 | — |
| Alpine v3.9 | curl | 7.60.0-r0 | — |
| Alpine v3.8 | curl | 7.60.0-r0 | — |
| Alpine v3.7 | curl | 7.60.0-r0 | — |
| Alpine v3.6 | curl | 7.60.0-r0 | — |
| Alpine v3.5 | curl | 7.60.0-r0 | — |
| Alpine v3.4 | curl | 7.60.0-r0 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | curl +2 | 7.55.1-12.amzn2.0.1 | ALAS2-2018-1029 |
| Amazon Linux 2 | nss-pem | 1.0.3-5.amzn2 | ALAS2-2019-1139 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | curl +2 | 7.29.0-51.el7 | ELSA-2018-3157 |
| Oracle Linux 7 | nss-pem | 1.0.3-5.el7 | ELSA-2018-3157 |
Advisories 17
- RHSA-2020:0594 Red Hat Security Advisory: curl security update Red Hat Security Advisories (RHSA) · Sep 21, 2026
- RHSA-2020:0544 Red Hat Security Advisory: curl security update Red Hat Security Advisories (RHSA) · Sep 21, 2026
- RHSA-2018:3558 Red Hat Security Advisory: httpd24 security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Sep 21, 2026
- RHSA-2018:3157 Red Hat Security Advisory: curl and nss-pem security and bug fix update Red Hat Security Advisories (RHSA) · Sep 21, 2026
- USN-3648-1 curl vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- DSA-4202-1 curl - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1379-1 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-2018:1327-2 Security update for curl SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1478-1 Security update for curl SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1327-1 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
- VDE-2019-009 PHOENIX CONTACT: Multiple Vulnerabilities in AXC F 2152 CERT@VDE · May 22, 2025
- ICSA-19-155-01 PHOENIX CONTACT PLCNext AXC F 2152 CISA ICS & IT advisories · Jun 4, 2019
- ALAS2-2019-1139 Moderate: nss-pem security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Jan 9, 2019
- ELSA-2018-3157 Moderate: curl and nss-pem security and bug fix update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Nov 5, 2018
- ALAS2-2018-1029 Important: curl security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Jun 11, 2018
References
- 104225 vdb-entry
- [debian-lts-announce] 20180516 [SECURITY] [DLA 1379-1] curl security update mailing-list
- 1040931 vdb-entry
- http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
- https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html
- RHSA-2018:3558 vendor-advisory
- https://curl.haxx.se/docs/adv_2018-b138.html
- RHSA-2018:3157 vendor-advisory
- GLSA-201806-05 vendor-advisory
- DSA-4202 vendor-advisory
- http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
- USN-3648-1 vendor-advisory
- USN-3598-2 vendor-advisory
- RHBA-2019:0327 vendor-advisory
- https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html
- RHSA-2020:0544 vendor-advisory
- RHSA-2020:0594 vendor-advisory