curl CVE-2026-6253

Stack-based buffer overflow in the Curl_sasl_create_digest_md5_message function in lib/curl_sasl.c in curl and libcurl 7

The sanitize_cookie_path function in cURL and libcurl 7.31.0 through 7.41.0 does not properly calculate an index, which

When doing HTTP(S) transfers, libcurl might erroneously use the read callback (`CURLOPT_READFUNCTION`) to ask for data t

When curl < 7.84.0 saves cookies, alt-svc and hsts data to local files, it makes the operation atomic by finalizing the

Curl_smtp_escape_eob in lib/smtp.c in curl 7.54.1 to and including curl 7.60.0 has a heap-based buffer overflow that mig

A cleartext transmission of sensitive information vulnerability exists in curl <v7.88.0 that could cause HSTS functional

A path traversal vulnerability exists in curl <8.0.0 SFTP implementation causes the tilde (~) character to be wrongly re

A vulnerability in input validation exists in curl <8.0 during communication using the TELNET protocol may allow an atta

A double-close vulnerability exists in libcurl when tearing down connection channels after threaded name resolution, cau

A use of incorrectly resolved name vulnerability fixed in 7.83.1 might remove the wrong file when `--no-clobber` is used

curl 7.75.0 through 7.76.1 suffers from a use-after-free vulnerability resulting in already freed memory being used when

curl 7.20.0 through 7.70.0 is vulnerable to improper restriction of names for files and other resources that can lead to