Command line tool and library for transferring data with URLs!

cURL

cURL 7.87.0

  -  6.2 MB  -  Freeware

Sometimes latest versions of the software can cause issues when installed on older devices or devices running an older version of the operating system.

Software makers usually fix these issues but it can take them some time. What you can do in the meantime is to download and install an older version of cURL 7.87.0.


For those interested in downloading the most recent release of cURL or reading our review, simply click here.


All old versions distributed on our website are completely virus-free and available for download at no cost.


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What's new in this version:

Changed:
- curl: add --url-query
- CURLOPT_QUICK_EXIT: don't wait for DNS thread on exit
- lib: add CURL_WRITEFUNC_ERROR to signal write callback error
- openssl: reduce CA certificate bundle reparsing by caching
- version: add a feature names array to curl_version_info_data

Fixed:
- altsvc: fix rejection of negative port numbers
- aws_sigv4: consult x-%s-content-sha256 for payload hash
- aws_sigv4: fix typos in aws_sigv4.c
- base64: better alloc size
- base64: encode without using snprintf
- base64: faster base64 decoding
- build: assume assert.h is always available
- build: assume errno.h is always available
- c-hyper: CONNECT respones are not server responses
- c-hyper: fix multi-request mechanism
- CI: Change FreeBSD image from 12.3 to 12.4
- CI: LGTM.com will be shut down in December 2022
- ci: Remove zuul fuzzing job as it's superseded by CIFuzz
- cmake: check for cross-compile, not for toolchain
- CMake: fix build with `CURL_USE_GSSAPI`
- cmake: really enable warnings with clang
- cmake: set the soname on the shared library
- cmdline-opts/gen.pl: fix the linkifier
- cmdline-opts/page-footer: remove long option nroff formatting
- config-mac: define HAVE_SYS_IOCTL_H
- config-mac: fix typo: size_T -> size_t
- config-mac: remove HAVE_SYS_SELECT_H
- config-win32: fix SIZEOF_OFF_T for MSVC and old MinGW
- configure: require fork for NTLM-WB
- contributors.sh: actually use $CURLWWW instead of just setting it
- cookie: compare cookie prefixes case insensitively
- cookie: expire cookies at once when max-age is negative
- cookie: open cookie jar as a binary file
- curl-openssl.m4: do not add $prefix/include/openssl to CPPFLAGS
- curl-rustls.m4: on macOS, rustls also needs the Security framework
- curl.h: include <sys/select.h> on SerenityOS
- curl.h: name all public function parameters
- curl.h: reword comment to not use deprecated option
- curl: override the numeric locale and set "C" by force
- curl: timeout in the read callback
- curl_endian: remove Curl_write64_le from header
- curl_get_line: allow last line without newline char
- curl_path: do not add '/' if homedir ends with one
- curl_url_get.3: remove spurious backtick
- curl_url_set.3: document CURLU_DISALLOW_USER
- curl_url_set.3: fix typo
- CURLMOPT_SOCKETFUNCTION.3: clarify CURL_POLL_REMOVE
- CURLOPT_COOKIEFILE.3: advice => advise
- CURLOPT_DEBUGFUNCTION.3: do not assume nul-termination in example
- CURLOPT_DEBUGFUNCTION.3: emphasize that incoming data is "raw"
- CURLOPT_POST.3: Explain setting to 0 changes request type
- docs/curl_ws_send: Fixed typo in websocket docs
- docs/EARLY-RELEASE.md: how to determine an early release
- docs/examples: spell correction ('Retrieve')
- docs/INSTALL.md: expand on static builds
- docs/WEBSOCKET.md: explain the URL use
- docs: add missing parameters for --retry flag
- docs: add more "SEE ALSO" links to CA related pages
- docs: explain the noproxy CIDR notation support
- docs: extend the dump-header documentation
- docs: remove performance note in CURLOPT_SSL_VERIFYPEER
- examples/10-at-a-time: fix possible skipped final transfers
- examples: update descriptions
- ftp: support growing files with CURLOPT_IGNORE_CONTENT_LENGTH
- gen.pl: do not generate CURLHELP bitmask lines > 79 characters
- GHA: clarify workflows permissions, set least possible privilege
- GHA: NSS use clang instead of clang-9
- gnutls: use common gnutls init and verify code for ngtcp2
- headers: add endif comments
- HTTP-COOKIES.md: mention that http://localhost is a secure context
- HTTP-COOKIES.md: update the 6265bis link to draft-11
- http: do not send PROXY more than once
- http: fix the ::1 comparison for IPv6 localhost for cookies
- http: set 'this_is_a_follow' in the Location: logic
- http: use the IDN decoded name in HSTS checks
- hyper: classify headers as CONNECT and 1XX
- hyper: fix handling of hyper_task's when reusing the same address
- idn: remove Curl_win32_ascii_to_idn
- INSTALL: update operating systems and CPU archs
- KNOWN_BUGS: remove eight entries
- lib1560: add some basic IDN host name tests

lib: connection filters (cfilter) addition to curl:
- lib: feature deprecation warnings in gcc >= 4.3
- lib: fix some type mismatches and remove unneeded typecasts
- lib: parse numbers with fixed known base 10
- lib: remove bad set.opt_no_body assignments
- lib: rewind BEFORE request instead of AFTER previous
- lib: sync guard for Curl_getaddrinfo_ex() definition and use
- lib: use size_t or int etc instead of longs
- libcurl-errors.3: remove duplicate word
- libssh2: return error when ssh_hostkeyfunc returns error
- limit-rate.d: see also --rate
- log2changes.pl: wrap long lines at 80 columns
- Makefile.mk: address minor issues
- Makefile.mk: improve a GNU Make hack
- Makefile.mk: portable Makefile.m32
- maketgz: set the right version in lib/libcurl.plist
- mime: relax easy/mime structures binding
- misc: Fix incorrect spelling
- misc: remove duplicated include files
- misc: typo and grammar fixes
- negtelnetserver.py: have it call its close() method
- netrc.d: provide mutext info
- netware: remove leftover traces
- noproxy: also match with adjacent comma
- noproxy: guard against empty hostnames in noproxy check
- noproxy: tailmatch like in 7.85.0 and earlier
- nroff-scan.pl: detect double highlights
- ntlm: improve comment for encrypt_des
- ntlm: silence ubsan warning about copying from null target_info pointer
- openssl/mbedtls: use %d for outputing port with failf (int)
- openssl: prefix errors with '[lib]/[version]: '
- os400: use platform socklen_t in Curl_getnameinfo_a
- page-header: grammar improvement (display transfer rate)
- proxy: refactor haproxy protocol handling as connection filter
- README.md: remove badges and xmas-tree garnish
- rtsp: fix RTSP auth
- runtests: --no-debuginfod now disables DEBUGINFOD_URLS
- runtests: do CRLF replacements per section only
- scripts/checksrc.pl: detect duplicated include files
- sendf: change Curl_read_plain to wrap Curl_recv_plain
- sendf: remove unnecessary if condition
- setup: do not require __MRC__ defined for Mac OS 9 builds
- smb/telnet: do not free the protocol struct in *_done()
- socks: fix username max size is 255 (0xFF)
- spellcheck.words: remove 'github' as an accepted word
- ssl-reqd.d: clarify that this is for upgrading connections only
- strcase: use curl_str(n)equal for case insensitive matches
- styled-output.d: this option does not work on Windows
- system.h: fix socklen_t, curl_off_t, long long for Classic Mac OS
- system.h: support 64-bit curl_off_t for NonStop 32-bit
- test1421: fix typo
- test3026: reduce runtime in legacy mingw builds
- tests/sshserver.pl: re-enable ssh-rsa while using openssh 8.8+
- tests: add authorityInfoAccess to generated certs
- tests: add HTTP/3 test case, custom location for proper nghttpx
- tls: backends use connection filters for IO, enabling HTTPS-proxy
- tool: determine the correct fopen option for -D
- tool_cfgable: free the ssl_ec_curves on exit
- tool_cfgable: make socks5_gssapi_nec a boolean
- tool_formparse: avoid clobbering on function params
- tool_getparam: make --no-get work as the opposite of --get
- tool_operate: provide better errmsg for -G with bad URL
- tool_operate: when aborting, make sure there is a non-NULL error buffer
- tool_paramhlp: free the proto strings on exit
- url: move back the IDN conversion of proxy names
- urlapi: reject more bad letters from the host name: &+()
- urldata: change port num storage to int and unsigned short
- vms: remove SIZEOF_SHORT
- vtls: fix build without proxy support
- vtls: localization of state data in filters
- WEBSOCKET.md: fix broken link
- Websocket: fixes for partial frames and buffer updates
- websockets: fix handling of partial frames
- windows: fail early with a missing windres in autotools
- windows: fix linking .rc to shared curl with autotools
- winidn: drop WANT_IDN_PROTOTYPES
- ws: if no connection is around, return error
- ws: return CURLE_NOT_BUILT_IN when websockets not built in
- x509asn1: avoid freeing unallocated pointers