A httpd (SSA:2021-259-01) security update has been released for Slackware 14.0, 14.1, 14.2, and -current.

slackware-security: httpd (SSA:2021-259-01)

[slackware-security] httpd (SSA:2021-259-01)

New httpd packages are available for Slackware 14.0, 14.1, 14.2, and -current
to fix security issues.

Here are the details from the Slackware 14.2 ChangeLog:
+--------------------------+
patches/packages/httpd-2.4.49-i586-1_slack14.2.txz: Upgraded.
This release contains security fixes and improvements.
mod_proxy: Server Side Request Forgery (SSRF) vulnerabilty [Yann Ylavic]
core: ap_escape_quotes buffer overflow
mod_proxy_uwsgi: Out of bound read vulnerability [Yann Ylavic]
core: null pointer dereference on malformed request
mod_http2: Request splitting vulnerability with mod_proxy [Stefan Eissing]
For more information, see:
  https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40438
  https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-39275
  https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-36160
  https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34798
  https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33193
(* Security fix *)
+--------------------------+

Where to find the new packages:
+-----------------------------+

Thanks to the friendly folks at the OSU Open Source Lab
(  http://osuosl.org) for donating FTP and rsync hosting
to the Slackware project! :-)

Also see the "Get Slack" section on   http://slackware.com for
additional mirror sites near you.

Updated package for Slackware 14.0:
  ftp://ftp.slackware.com/pub/slackware/slackware-14.0/patches/packages/httpd-2.4.49-i486-1_slack14.0.txz

Updated package for Slackware x86_64 14.0:
  ftp://ftp.slackware.com/pub/slackware/slackware64-14.0/patches/packages/httpd-2.4.49-x86_64-1_slack14.0.txz

Updated package for Slackware 14.1:
  ftp://ftp.slackware.com/pub/slackware/slackware-14.1/patches/packages/httpd-2.4.49-i486-1_slack14.1.txz

Updated package for Slackware x86_64 14.1:
  ftp://ftp.slackware.com/pub/slackware/slackware64-14.1/patches/packages/httpd-2.4.49-x86_64-1_slack14.1.txz

Updated package for Slackware 14.2:
  ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/httpd-2.4.49-i586-1_slack14.2.txz

Updated package for Slackware x86_64 14.2:
  ftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/httpd-2.4.49-x86_64-1_slack14.2.txz

Updated package for Slackware -current:
  ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/n/httpd-2.4.49-i586-1.txz

Updated package for Slackware x86_64 -current:
  ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/n/httpd-2.4.49-x86_64-1.txz

MD5 signatures:
+-------------+

Slackware 14.0 package:
fb7e2de39ba2de10a24bb8fb4ea0346f httpd-2.4.49-i486-1_slack14.0.txz

Slackware x86_64 14.0 package:
79e26651ecbb7d3b6def35e0ab0fc402 httpd-2.4.49-x86_64-1_slack14.0.txz

Slackware 14.1 package:
3775ed69e7e9ac93ac5ed5fde4ab666b httpd-2.4.49-i486-1_slack14.1.txz

Slackware x86_64 14.1 package:
1bfecea627489291986f3640bfe220ef httpd-2.4.49-x86_64-1_slack14.1.txz

Slackware 14.2 package:
2693974e9622ef8272a55cab127e8091 httpd-2.4.49-i586-1_slack14.2.txz

Slackware x86_64 14.2 package:
7919b0fcc99ea91e44e011d2e14e698f httpd-2.4.49-x86_64-1_slack14.2.txz

Slackware -current package:
1a26ec0dc4b592f3508f51d1dc23f7d4 n/httpd-2.4.49-i586-1.txz

Slackware x86_64 -current package:
be72a2f1f7a58af3c4beca33b9b92742 n/httpd-2.4.49-x86_64-1.txz

Installation instructions:
+------------------------+

Upgrade the package as root:
# upgradepkg httpd-2.4.49-i586-1_slack14.2.txz

Then, restart Apache httpd:

# /etc/rc.d/rc.httpd stop
# /etc/rc.d/rc.httpd start