Due to use of a dangling pointer, libcurl 7.29.0 through 7.71.1 can use the wrong connection when sending data.
CVE-2020-8231
CVSS base score
7.5 (v3.1)
Severity
HIGH
Attack vector
Network
Weakness
CWE-416
Last modified
November 2, 2026
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected products
haxx libcurl
siemens sinec infrastructure network services
debian debian linux
oracle communications cloud native core policy
splunk universal forwarder
References
- cert-portal.siemens.com Patch, Third Party Advisory
- curl.haxx.se Patch, Third Party Advisory
- hackerone.com Exploit, Issue Tracking, Patch
- lists.apache.org Mailing List, Third Party Advisory
- lists.apache.org Mailing List, Third Party Advisory
- security.gentoo.org Third Party Advisory
- www.debian.org Third Party Advisory
- www.oracle.com Patch, Third Party Advisory
- cert-portal.siemens.com Patch, Third Party Advisory
- curl.haxx.se Patch, Third Party Advisory