curl / Docs / Vulnerability table / 7.66.0 vulnerabilities

Vulnerabilities in curl 7.66.0

curl version 7.66.0 was released on September 11 2019. The following 37 security problems are known to exist in this version.

Flaw	From version	To and including
more POST-after-PUT confusion	7.7	8.0.1
IDN wildcard match	7.12.0	8.0.1
siglongjmp race condition	7.9.8	8.0.1
SSH connection too eager reuse still	7.16.1	7.88.1
GSS delegation too eager connection re-use	7.22.0	7.88.1
FTP too eager connection reuse	7.13.0	7.88.1
SFTP path ~ resolving discrepancy	7.18.0	7.88.1
TELNET option IAC injection	7.7	7.88.1
HTTP multi-header compression denial of service	7.57.0	7.87.0
HTTP Proxy deny use after free	7.16.0	7.86.0
POST following PUT confusion	7.7	7.85.0
control code in cookie denial of service	4.9	7.84.0
FTP-KRB bad message verification	7.16.4	7.83.1
HTTP compression denial of service	7.57.0	7.83.1
TLS and SSH connection too eager reuse	7.16.1	7.83.0
CERTINFO never-ending busy-loop	7.34.0	7.83.0
Auth/cookie leak on redirect	4.9	7.82.0
Bad local IPv6 connection reuse	7.65.0	7.82.0
Credential leak on redirect	4.9	7.82.0
OAUTH2 bearer bypass in connection re-use	7.33.0	7.82.0
STARTTLS protocol injection via MITM	7.20.0	7.78.0
Protocol downgrade required TLS bypassed	7.20.0	7.78.0
CURLOPT_SSLCERT mix-up with Secure Transport	7.33.0	7.77.0
TELNET stack contents disclosure again	7.7	7.77.0
Bad connection reuse due to flawed path name checks	7.10.4	7.77.0
Metalink download sends credentials	7.27.0	7.77.0
Wrong content via Metalink not discarded	7.27.0	7.77.0
TELNET stack contents disclosure	7.7	7.76.1
Schannel cipher selection surprise	7.61.0	7.76.1
TLS 1.3 session ticket proxy host mix-up	7.63.0	7.75.0
Automatic referer leaks credentials	7.1.1	7.75.0
Inferior OCSP verification	7.41.0	7.73.0
FTP wildcard stack overflow	7.21.0	7.73.0
trusting FTP PASV responses	4.0	7.73.0
wrong connect-only connection	7.29.0	7.71.1
curl overwrite local file with -J	7.20.0	7.70.0
Partial password leak over DNS on HTTP redirect	7.62.0	7.70.0

CVE data for 7.66.0 provided as JSON.

Changelog for curl 7.66.0

See vulnerability summary for the previous release: 7.65.3 or the subsequent release: 7.67.0