Description
Curl versions 7.33.0 through 7.61.1 are vulnerable to a buffer overrun in the SASL authentication code that may lead to denial of service.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| The Curl Project | curl: | from 7.33.0 to 7.61.1 | — |
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 | 7.62.0-1 | — |
| Debian 13 | curl | 7.62.0-1 | — |
| Debian 12 | curl | 7.62.0-1 | — |
| Debian 9 | curl | 7.52.1-5+deb9u8 | DSA-4331-1 |
| Debian 8 | curl | 7.38.0-4+deb8u13 | DLA-1568-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | curl | 7.58.0-2ubuntu3.5 | USN-3805-1 |
| Ubuntu 16.04 LTS | curl | 7.47.0-1ubuntu2.11 | USN-3805-1 |
| Ubuntu 14.04 LTS | curl | 7.35.0-1ubuntu2.19 | USN-3805-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 | curl | 7.60.0-3.14.3 | SUSE-SU-2018:3624-1 |
| SLES 12 SP4 | curl | 7.60.0-4.3.1 | SUSE-SU-2019:0339-1 |
| SLES 12 SP3 | curl | 7.37.0-37.37.1 | SUSE-SU-2019:0996-1 |
| SLES 12 SP2 | curl | 7.37.0-37.37.1 | SUSE-SU-2019:0996-1 |
| SLES 12 SP1 | curl | 7.37.0-37.37.1 | SUSE-SU-2019:0996-1 |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 | curl | 7.37.0-37.37.1 | SUSE-SU-2019:0996-1 |
| SLES for SAP 12 SP4 | curl | 7.60.0-4.3.1 | SUSE-SU-2019:0339-1 |
| SLES for SAP 12 SP3 | curl | 7.37.0-37.37.1 | SUSE-SU-2019:0996-1 |
| SLES for SAP 12 SP2 | curl | 7.37.0-37.37.1 | SUSE-SU-2019:0996-1 |
| SLES for SAP 12 SP1 | curl | 7.37.0-37.37.1 | SUSE-SU-2019:0996-1 |
| SUSE OpenStack Cloud 7 | curl | 7.37.0-37.37.1 | SUSE-SU-2019:0996-1 |
| SUSE Enterprise Storage 4 | curl | 7.37.0-37.37.1 | SUSE-SU-2019:0996-1 |
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 | 7.62.0-r0 | — |
| Alpine v3.23 | curl | 7.62.0-r0 | — |
| Alpine v3.22 | curl | 7.62.0-r0 | — |
| Alpine v3.21 | curl | 7.62.0-r0 | — |
| Alpine v3.20 | curl | 7.62.0-r0 | — |
Show 15 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | curl | 7.62.0-r0 | — |
| Alpine v3.18 | curl | 7.62.0-r0 | — |
| Alpine v3.17 | curl | 7.62.0-r0 | — |
| Alpine v3.16 | curl | 7.62.0-r0 | — |
| Alpine v3.15 | curl | 7.62.0-r0 | — |
| Alpine v3.14 | curl | 7.62.0-r0 | — |
| Alpine v3.13 | curl | 7.62.0-r0 | — |
| Alpine v3.12 | curl | 7.62.0-r0 | — |
| Alpine v3.11 | curl | 7.62.0-r0 | — |
| Alpine v3.10 | curl | 7.62.0-r0 | — |
| Alpine v3.9 | curl | 7.62.0-r0 | — |
| Alpine v3.8 | curl | 7.61.1-r1 | — |
| Alpine v3.7 | curl | 7.61.1-r1 | — |
| Alpine v3.6 | curl | 7.61.1-r1 | — |
| Alpine v3.5 | curl | 7.61.1-r1 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | curl +2 | 7.61.1-9.amzn2.0.1 | ALAS2-2019-1162 |
Advisories 10
- USN-3805-1 curl vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DSA-4331-1 curl - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1568-1 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-2019:0996-1 Security update for curl SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:0339-1 Security update for curl SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:3624-1 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
- WID-SEC-2023-1641 cURL: Mehrere Schwachstellen BSI CERT-Bund (WID) · Feb 4, 2025
- ALAS2-2019-1162 Moderate: curl security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Feb 18, 2019
References
- GLSA-201903-03 vendor-advisory
- DSA-4331 vendor-advisory
- [debian-lts-announce] 20181106 [SECURITY] [DLA 1568-1] curl security update mailing-list
- https://curl.haxx.se/docs/CVE-2018-16839.html
- https://github.com/curl/curl/commit/f3a24d7916b9173c69a3e0ee790102993833d6c5
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16839
- 1042012 vdb-entry
- USN-3805-1 vendor-advisory
- [infra-devnull] 20190404 [GitHub] [incubator-openwhisk-runtime-ballerina] falkzoll commented on issue #15: Update to new base image jdk8u202-b08_openj9-0.12.1. mailing-list