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CHANGES - OpenPrinting CUPS 2.4.7 - (2023-09-20)

Changes in CUPS v2.4.7 (2023-09-20)

  • CVE-2023-4504 - Fixed Heap-based buffer overflow when reading Postscript in PPD files
  • Added OpenSSL support for cupsHashData (Issue #762)
  • Fixed delays in lpd backend (Issue #741)
  • Fixed extensive logging in scheduler (Issue #604)
  • Fixed hanging of lpstat on IBM AIX (Issue #773)
  • Fixed hanging of lpstat on Solaris (Issue #156)
  • Fixed printing to stderr if we can't open cups-files.conf (Issue #777)
  • Fixed purging job files via cancel -x (Issue #742)
  • Fixed RFC 1179 port reserving behavior in LPD backend (Issue #743)
  • Fixed a bug in the PPD command interpretation code (Issue #768)

Changes in CUPS v2.4.6 (2023-06-22)

  • CVE-2023-34241: Fixed use-after-free when logging warnings in case of failures in cupsdAcceptClient().
  • Fixed linking error on old MacOS (Issue #715)
  • Fixed printing multiple files on specific printers (Issue #643)

Changes in CUPS v2.4.5 (2023-06-13)

  • Fixed corruption of locally saved certificates (Issue #724)

Changes in CUPS v2.4.4 (2023-06-06)

  • Fixed segfault in cupsGetNamedDest() when trying to get default printer, but the default printer is not set (Issue #719)

Changes in CUPS v2.4.3 (2023-06-01)

  • CVE-2023-32360: Fixed default policy for CUPS-Get-Document operation
  • CVE-2023-32324: Fixed possible heap buffer overflow in _cups_strlcpy().
  • Added a title with device uri for found network printers (Issues #402, #393)
  • Added new media sizes defined by IANA (Issues #501)
  • Added quirk for GoDEX label printers (Issue #440)
  • Fixed --enable-libtool-unsupported (Issue #394)
  • Fixed configuration on RISC-V machines (Issue #404)
  • Fixed the device_uri invalid pointer for driverless printers with .local hostname (Issue #419)
  • Fixed an OpenSSL crash bug (Issue #409)
  • Fixed a potential SNMP OID value overflow issue (Issue #431)
  • Fixed an OpenSSL certificate loading issue (Issue #465)
  • Fixed Brazilian Portuguese translations (Issue #288)
  • Fixed cupsd default keychain location when building with OpenSSL (Issue #529)
  • Fixed default color settings for CMYK printers as well (Issue #500)
  • Fixed duplicate PPD2IPP media-type names (Issue #688)
  • Fixed InputSlot heuristic for photo sizes smaller than 5x7" if there is no media-source in the request (Issue #569)
  • Fixed invalid memory access during generating IPP Everywhere queue (Issue #466)
  • Fixed lprm if no destination is provided (Issue #457)
  • Fixed memory leaks in create_local_bg_thread() (Issue #466)
  • Fixed media size tolerance in ippeveprinter (Issue #487)
  • Fixed passing command name without path into ippeveprinter (Issue #629)
  • Fixed saving strings file path in printers.conf (Issue #710)
  • Fixed TLS certificate generation bugs (Issue #652)
  • ippDeleteValues would not delete the last value (Issue #556)
  • Ignore some of IPP defaults if the application sends its PPD alternative (Issue #484)
  • Make Letter the default size in ippevepcl (Issue #543)
  • Now accessing Admin page in Web UI requires authentication (Issue #518)
  • Now look for default printer on network if needed (Issue #452)
  • Now we poll media-col-database separately if we fail at first (Issue #599)
  • Now report fax attributes and values as needed (Issue #459)
  • Now localize HTTP responses using the Content-Language value (Issue #426)
  • Raised file size limit for importing PPD via Web UI (Issue #433)
  • Raised maximum listen backlog size to INT MAX (Issue #626)
  • Update print-color-mode if the printer is modified via ColorModel PPD option (Issue #451)
  • Use localhost when printing via printer application (Issue #353)
  • Write defaults into /etc/cups/lpoptions if we're root (Issue #456)

Changes in CUPS v2.4.2 (2022-05-26)

  • Fixed certificate strings comparison for Local authorization (CVE-2022-26691)
  • The cupsFileOpen function no longer opens files for append in read-write mode (Issue #291)
  • The cupsd daemon removed processing temporary queue (Issue #364)
  • Fixed delay in IPP backend if GNUTLS is used and endpoint doesn't confirm closing the connection (Issue #365)
  • Fixed conditional jump based on uninitialized value in cups/ppd.c (Issue #329)
  • Fixed CSS related issues in CUPS Web UI (Issue #344)
  • Fixed copyright in CUPS Web UI trailer template (Issue #346)
  • mDNS hostname in device uri is not resolved when installing a permanent IPP Everywhere queue (Issues #340, #343)
  • The lpstat command now reports when the scheduler is not running (Issue #352)
  • Updated the man pages concerning the -h option (Issue #357)
  • Re-added LibreSSL/OpenSSL support (Issue #362)
  • Updated the Solaris smf service file (Issue #368)
  • Fixed a regression in lpoptions option support (Issue #370)
  • The scheduler now regenerates the PPD cache information after changing the "cupsd.conf" file (Issue #371)
  • Updated the scheduler to set "auth-info-required" to "username,password" if a backend reports it needs authentication info but doesn't set a method for authentication (Issue #373)
  • Updated the configure script to look for the OpenSSL library the old way if pkg-config is not available (Issue #375)
  • Fixed the prototype for the httpWriteResponse function (Issue #380)
  • Brought back minimal AIX support (Issue #389)
  • cupsGetResponse did not always set the last error.
  • Fixed a number of old references to the Apple CUPS web page.
  • Restored the default/generic printer icon file for the web interface.
  • Removed old stylesheet classes that are no longer used by the web interface.

Changes in CUPS v2.4.1 (2022-01-27)

  • The default color mode now is now configurable and defaults to the printer's reported default mode (Issue #277)
  • Configuration script now checks linking for -Wl,-pie flags (Issue #303)
  • Fixed memory leaks - in testi18n (Issue #313), in cups_enum_dests() (Issue #317), in _cupsEncodeOption() and http_tls_upgrade() (Issue #322)
  • Fixed missing bracket in de/index.html (Issue #299)
  • Fixed typos in configuration scripts (Issues #304, #316)
  • Removed remaining legacy code for RIP_MAX_CACHE environment variable (Issue #323)
  • Removed deprecated directives from cupsctl and cups-files.conf (Issue #300)
  • Removed purge-jobs legacy code from CGI scripts and templates (Issue #325)

Changes in CUPS v2.4.0 (2021-11-29)

  • Added configure option --with-idle-exit-timeout (Issue #294)
  • Added --with-systemd-timeoutstartsec configure option (Issue #298)
  • DigestOptions now are applied for MD5 Digest authentication defined by RFC 2069 as well (Issue #287)
  • Fixed compilation on Solaris (Issue #293)
  • Fixed and improved German translations (Issue #296, Issue #297)

Changes in CUPS v2.4rc1 (2021-11-12)

  • Added warning and debug messages when loading printers if the queue is raw or with driver (Issue #286)
  • Compilation now uses -fstack-protector-strong if available (Issue #285)

Changes in CUPS v2.4b1 (2021-10-27)

  • Added support for CUPS running in a Snapcraft snap.
  • Added basic OAuth 2.0 client support (Issue #100)
  • Added support for AirPrint and Mopria clients (Issue #105)
  • Added configure support for specifying systemd dependencies in the CUPS service file (Issue #144)
  • Added several features and improvements to ipptool (Issue #153)
  • Added a JSON output mode for ipptool.
  • The ipptool command now correctly reports an error when a test file cannot be found.
  • CUPS library now uses thread safe getpwnam_r and getpwuid_r functions (Issue #274)
  • Fixed Kerberos authentication for the web interface (Issue #19)
  • The ZPL sample driver now supports more "standard" label sizes (Issue #70)
  • Fixed reporting of printer instances when enumerating and when no options are set for the main instance (Issue #71)
  • Reverted USB read limit enforcement change from CUPS 2.2.12 (Issue #72)
  • The IPP backend did not return the correct status code when a job was canceled at the printer/server (Issue #74)
  • The testlang unit test program now loops over all of the available locales by default (Issue #85)
  • The cupsfilter command now shows error messages when options are used incorrectly (Issue #88)
  • The PPD functions now treat boolean values as case-insensitive (Issue #106)
  • Temporary queue names no longer end with an underscore (Issue #110)
  • The USB backend now runs as root (Issue #121)
  • Added pkg-config file for libcups (Issue #122)
  • Fixed a PPD memory leak caused by emulator definitions (Issue #124)
  • Fixed a DISPLAY bug in ipptool (Issue #139)
  • The scheduler now includes the [Job N] prefix for job log messages, even when using syslog logging (Issue #154)
  • Added support for locales using the GB18030 character set (Issue #159)
  • httpReconnect2 did not reset the socket file descriptor when the TLS negotiation failed (Apple #5907)
  • httpUpdate did not reset the socket file descriptor when the TLS negotiation failed (Apple #5915)
  • The IPP backend now retries Validate-Job requests (Issue #132)
  • Now show better error messages when a driver interface program fails to provide a PPD file (Issue #148)
  • Added dark mode support to the CUPS web interface (Issue #152)
  • Added a workaround for Solaris in httpAddrConnect2 (Issue #156)
  • Fixed an interaction between --remote-admin and --remote-any for the cupsctl command (Issue #158)
  • Now use a 60 second timeout for reading USB backchannel data (Issue #160)
  • The USB backend now tries harder to find a serial number (Issue #170)
  • Fixed @IF(name) handling in cupsd.conf (Apple #5918)
  • Fixed documentation and added examples for CUPS' limited CGI support (Apple #5940)
  • Fixed the lpc command prompt (Apple #5946)
  • Now always pass "localhost" in the Host: header when talking over a domain socket or the loopback interface (Issue #185)
  • Fixed a job history update issue in the scheduler (Issue #187)
  • Fixed job-pages-per-set value for duplex print jobs.
  • Fixed an edge case in ippReadIO to make sure that only complete attributes and values are retained on an error (Issue #195)
  • Hardened ippReadIO to prevent invalid IPP messages from being propagated (Issue #195, Issue #196)
  • The scheduler now supports the "everywhere" model directly (Issue #201)
  • Fixed some IPP Everywhere option mapping problems (Issue #238)
  • Fixed support for "job-hold-until" with the Restart-Job operation (Issue #250)
  • Fixed the default color/grayscale presets for IPP Everywhere PPDs (Issue #262)
  • Fixed support for the 'offline-report' state for all USB backends (Issue #264)
  • Fixed an integer overflow in the PWG media size name formatting code (Issue #668)
  • Documentation fixes (Issue #92, Issue #163, Issue #177, Issue #184)
  • Localization updates (Issue #123, Issue #129, Issue #134, Issue #146, Issue #164)
  • USB quirk updates (Issue #192, Issue #270, Apple #5766, Apple #5838, Apple #5843, Apple #5867)
  • Web interface updates (Issue #142, Issue #218)
  • The ippeveprinter tool now automatically uses an available port.
  • Fixed several Windows TLS and hashing issues.
  • Deprecated cups-config (Issue #97)
  • Deprecated Kerberos (AuthType Negotiate) authentication (Issue #98)
  • Removed support for the (long deprecated and unused) FontPath, ListenBackLog, LPDConfigFile, KeepAliveTimeout, RIPCache, and SMBConfigFile directives in cupsd.conf and cups-files.conf.
  • Stubbed out deprecated httpMD5 functions.
  • Add test for undefined page ranges during printing.