Double Free Affecting curl package, versions [,8.0.0)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.12% (47th percentile)

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  • Snyk IDSNYK-UNMANAGED-CURL-3368139
  • published22 Mar 2023
  • disclosed20 Mar 2023
  • creditUnknown

Introduced: 20 Mar 2023

CVE-2023-27537  (opens in a new tab)
CWE-415  (opens in a new tab)

How to fix?

Upgrade curl to version 8.0.0 or higher.

Overview

curl is a command line tool and library for transferring data with URL syntax, supporting DICT, FILE, FTP, FTPS, GOPHER, GOPHERS, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, MQTT, POP3, POP3S, RTMP, RTMPS, RTSP, SCP, SFTP, SMB, SMBS, SMTP, SMTPS, TELNET and TFTP. libcurl offers a myriad of powerful features.

Affected versions of this package are vulnerable to Double Free due to missing mutexes or thread locks, two threads sharing the same HSTS data could end up in exploitation of this vulnerability.

CVSS Scores

version 3.1