CVE-2020-8231
HIGH 7.5EPSS 5.3%
Due to use of a dangling pointer, libcurl 7.29.0 through 7.71.1 can use the wrong connection when sending data.
- Affected
- https://github.com/curl/curl
- CVSS v3.1 NVD
- 7.5 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS v2.0 NVD
- 5.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N - EPSS
- 5.34% chance of exploitation in the next 30 days, 93rd percentile
- Published
- 2020-12-14
- Updated
- 2026-10-14
Proof-of-concept exploits (1)
Security advisories
- https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
- https://curl.haxx.se/docs/CVE-2020-8231.html
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9…
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893…
- https://security.gentoo.org/glsa/202012-14
- https://www.debian.org/security/2021/dsa-4881
- https://www.oracle.com/security-alerts/cpuapr2022.html