Description
curl before version 7.52.1 is vulnerable to an uninitialized random in libcurl's internal function that returns a good 32bit random value. Having a weak or virtually non-existent random value makes the operations that use it vulnerable.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | curl | curl 7.52.1 | — |
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.
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 | 7.52.1-r0 | — |
| Alpine v3.23 | curl | 7.52.1-r0 | — |
| Alpine v3.22 | curl | 7.52.1-r0 | — |
| Alpine v3.21 | curl | 7.52.1-r0 | — |
| Alpine v3.20 | curl | 7.52.1-r0 | — |
Show 18 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | curl | 7.52.1-r0 | — |
| Alpine v3.18 | curl | 7.52.1-r0 | — |
| Alpine v3.17 | curl | 7.52.1-r0 | — |
| Alpine v3.16 | curl | 7.52.1-r0 | — |
| Alpine v3.15 | curl | 7.52.1-r0 | — |
| Alpine v3.14 | curl | 7.52.1-r0 | — |
| Alpine v3.13 | curl | 7.52.1-r0 | — |
| Alpine v3.12 | curl | 7.52.1-r0 | — |
| Alpine v3.11 | curl | 7.52.1 | — |
| Alpine v3.10 | curl | 7.52.1-r0 | — |
| Alpine v3.9 | curl | 7.52.1-r0 | — |
| Alpine v3.8 | curl | 7.52.1 | — |
| Alpine v3.7 | curl | 7.52.1 | — |
| Alpine v3.6 | curl | 7.52.1 | — |
| Alpine v3.5 | curl | 7.52.1-r0 | — |
| Alpine v3.4 | curl | 7.52.1-r0 | — |
| Alpine v3.3 | curl | 7.52.1-r0 | — |
| Alpine v3.2 | curl | 7.52.1-r0 | — |
Advisories 3
- openSUSE-SU-2024:10582-1 curl-7.79.1-1.1 on GA media 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-2023-1650 libcurl: Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen BSI CERT-Bund (WID) · Jul 4, 2023