PublicDateAtUSN: 2021-06-10 07:15:00 UTC
Candidate: CVE-2021-26690
PublicDate: 2021-06-10 07:15:00 UTC
References:
 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26690
 https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2021-26690
 https://lists.apache.org/thread.html/rae406c1d19c0dfd3103c96923dadac2af1cd0bad6905ab1ede153865@%3Cannounce.httpd.apache.org%3E
 http://www.openwall.com/lists/oss-security/2021/06/10/6
 https://ubuntu.com/security/notices/USN-4994-1
 https://ubuntu.com/security/notices/USN-4994-2
Description:
 Apache HTTP Server versions 2.4.0 to 2.4.46 A specially crafted Cookie
 header handled by mod_session can cause a NULL pointer dereference and
 crash, leading to a possible Denial Of Service
Ubuntu-Description:
Notes:
Mitigation:
Bugs:
Priority: medium
Discovered-by: Antonio Morales
Assigned-to: mdeslaur
CVSS:
 nvd: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H [7.5 HIGH]


Patches_apache2:
 upstream: https://github.com/apache/httpd/commit/67bd9bfe6c38831e14fe7122f1d84391472498f8
upstream_apache2: released (2.4.46-6)
trusty_apache2: ignored (out of standard support)
trusty/esm_apache2: released (2.4.7-1ubuntu4.22+esm1)
xenial_apache2: ignored (out of standard support)
esm-infra/xenial_apache2: released (2.4.18-2ubuntu3.17+esm1)
bionic_apache2: released (2.4.29-1ubuntu4.16)
focal_apache2: released (2.4.41-4ubuntu3.3)
groovy_apache2: released (2.4.46-1ubuntu1.2)
hirsute_apache2: released (2.4.46-4ubuntu1.1)
impish_apache2: released (2.4.46-4ubuntu2)
jammy_apache2: released (2.4.46-4ubuntu2)
devel_apache2: released (2.4.46-4ubuntu2)