The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applicationsUpgrade curl
to version 8.1.0 or higher.
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 Use After Free sha256 public key fingerprint verification. When the CURLOPT_SSH_HOST_PUBLIC_KEY_SHA256
option and either of the CURLOPT_VERBOSE
or CURLOPT_ERRORBUFFER
options are enabled, up to 186 bytes of heap memory (or up to the first null byte) can be leaked into error message output. If timed precisely, an attacker can cause such memory to be freed before the error is generated.
This vulnerability can be avoided by not using CURLOPT_SSH_HOST_PUBLIC_KEY_SHA256
.