curl / Docs / Vulnerability table / 7.64.0 vulnerabilities

Vulnerabilities in curl 7.64.0

curl version 7.64.0 was released on February 6 2019. The following 22 security problems are known to exist in this version.

FlawFrom versionTo and includingCVECWE
STARTTLS protocol injection via MITM7.20.07.78.0CVE-2021-22947CWE-349: Acceptance of Extraneous Untrusted Data With Trusted Data
Protocol downgrade required TLS bypassed7.20.07.78.0CVE-2021-22946CWE-325: Missing Cryptographic Step
CURLOPT_SSLCERT mixup with Secure Transport7.33.07.77.0CVE-2021-22926CWE-295: Improper Certificate Validation
TELNET stack contents disclosure again7.77.77.0CVE-2021-22925CWE-457: Use of Uninitialized Variable
Bad connection reuse due to flawed path name checks7.10.47.77.0CVE-2021-22924CWE-295: Improper Certificate Validation
Metalink download sends credentials7.27.07.77.0CVE-2021-22923CWE-522: Insufficiently Protected Credentials
Wrong content via metalink not discarded7.27.07.77.0CVE-2021-22922CWE-20: Improper Input Validation
TELNET stack contents disclosure7.77.76.1CVE-2021-22898CWE-457: Use of Uninitialized Variable
schannel cipher selection surprise7.61.07.76.1CVE-2021-22897CWE-488: Exposure of Data Element to Wrong Session
TLS 1.3 session ticket proxy host mixup7.63.07.75.0CVE-2021-22890CWE-290: Authentication Bypass by Spoofing
Automatic referer leaks credentials7.1.17.75.0CVE-2021-22876CWE-359: Exposure of Private Personal Information to an Unauthorized Actor
Inferior OCSP verification7.41.07.73.0CVE-2020-8286CWE-299: Improper Check for Certificate Revocation
FTP wildcard stack overflow7.21.07.73.0CVE-2020-8285CWE-674: Uncontrolled Recursion
trusting FTP PASV responses4.07.73.0CVE-2020-8284CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
wrong connect-only connection7.29.07.71.1CVE-2020-8231CWE-825: Expired Pointer Dereference
curl overwrite local file with -J7.20.07.70.0CVE-2020-8177CWE-641: Improper Restriction of Names for Files and Other Resources
Partial password leak over DNS on HTTP redirect7.62.07.70.0CVE-2020-8169CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
FTP-KRB double-free7.52.07.65.3CVE-2019-5481CWE-415: Double Free
TFTP small blocksize heap buffer overflow7.19.47.65.3CVE-2019-5482CWE-122: Heap-based Buffer Overflow
Windows OpenSSL engine code injection7.61.07.65.1CVE-2019-5443CWE-94: Code Injection
TFTP receive buffer overflow7.19.47.64.1CVE-2019-5436CWE-122: Heap-based Buffer Overflow
Integer overflows in curl_url_set7.62.07.64.1CVE-2019-5435CWE-131: Incorrect Calculation of Buffer Size

Changelog for curl 7.64.0

See vulnerability summary for the previous release: 7.63.0 or the subsequent release: 7.64.1