Due to use of a dangling pointer, libcurl 7.29.0 through 7.71.1 can use the wrong connection when sending data.
Fix
Patch, vendor advisory and mitigation references on NVD 8
- https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf Patch, Third Party Advisory
- https://curl.haxx.se/docs/CVE-2020-8231.html Patch, Third Party Advisory
- https://hackerone.com/reports/948876 Exploit, Issue Tracking, Patch, Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.html Patch, Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf Patch, Third Party Advisory
- https://curl.haxx.se/docs/CVE-2020-8231.html Patch, Third Party Advisory
- https://hackerone.com/reports/948876 Exploit, Issue Tracking, Patch, Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.html Patch, Third Party Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 7.5 · haxx, siemens, debianNVD modified 2026-10-14 09:17
Affected (CPE criteria) 6
cpe:2.3:a:haxx:libcurl:*:*:*:*:*:*:*:*cpe:2.3:a:siemens:sinec_infrastructure_network_services:*:*:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*cpe:2.3:a:oracle:communications_cloud_native_core_policy:1.14.0:*:*:*:*:*:*:*cpe:2.3:a:splunk:universal_forwarder:*:*:*:*:*:*:*:*cpe:2.3:a:splunk:universal_forwarder:9.1.0:*:*:*:*:*:*:*
References 18
- https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf Patch, Third Party Advisory
- https://curl.haxx.se/docs/CVE-2020-8231.html Patch, Third Party Advisory
- https://hackerone.com/reports/948876 Exploit, Issue Tracking, Patch, Third Party Advisory
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E Mailing List, Third Party Advisory
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202012-14 Third Party Advisory
- https://www.debian.org/security/2021/dsa-4881 Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.html Patch, Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf Patch, Third Party Advisory
- https://curl.haxx.se/docs/CVE-2020-8231.html Patch, Third Party Advisory
- https://hackerone.com/reports/948876 Exploit, Issue Tracking, Patch, Third Party Advisory
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E Mailing List, Third Party Advisory
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202012-14 Third Party Advisory
- https://www.debian.org/security/2021/dsa-4881 Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.html Patch, Third Party Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-389290.html
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html