CVE-2017-9789

When under stress, closing many connections, the HTTP/2 handling code in Apache httpd 2.4.26 would sometimes access memory after it has been freed, resulting in potentially erratic behaviour.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 93%
Affected Products (NVD)
VendorProductVersion
apachehttp_server
2.4.26
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
apache2
bookworm
2.4.62-1~deb12u1
fixed
bookworm (security)
2.4.62-1~deb12u2
fixed
bullseye
2.4.62-1~deb11u1
fixed
bullseye (security)
2.4.62-1~deb11u2
fixed
sid
2.4.62-3
fixed
trixie
2.4.62-3
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
apache2
trusty
not-affected
xenial
not-affected
yakkety
not-affected
zesty
not-affected
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
apache2
suse enterprise sap 12 SP2
2.4.23-29.13.1
fixed
suse enterprise sap 12 SP3
2.4.23-29.13.1
fixed
suse enterprise sap 12 SP5
2.4.23-29.43.1
fixed
suse enterprise server 12 SP2
2.4.23-29.13.1
fixed
suse enterprise server 12 SP3
2.4.23-29.13.1
fixed
suse enterprise server 12 SP5
2.4.23-29.43.1
fixed
apache2-doc
suse enterprise sap 12 SP2
2.4.23-29.13.1
fixed
suse enterprise sap 12 SP3
2.4.23-29.13.1
fixed
suse enterprise sap 12 SP5
2.4.23-29.43.1
fixed
suse enterprise server 12 SP2
2.4.23-29.13.1
fixed
suse enterprise server 12 SP3
2.4.23-29.13.1
fixed
suse enterprise server 12 SP5
2.4.23-29.43.1
fixed
apache2-example-pages
suse enterprise sap 12 SP2
2.4.23-29.13.1
fixed
suse enterprise sap 12 SP3
2.4.23-29.13.1
fixed
suse enterprise sap 12 SP5
2.4.23-29.43.1
fixed
suse enterprise server 12 SP2
2.4.23-29.13.1
fixed
suse enterprise server 12 SP3
2.4.23-29.13.1
fixed
suse enterprise server 12 SP5
2.4.23-29.43.1
fixed
apache2-prefork
suse enterprise sap 12 SP2
2.4.23-29.13.1
fixed
suse enterprise sap 12 SP3
2.4.23-29.13.1
fixed
suse enterprise sap 12 SP5
2.4.23-29.43.1
fixed
suse enterprise server 12 SP2
2.4.23-29.13.1
fixed
suse enterprise server 12 SP3
2.4.23-29.13.1
fixed
suse enterprise server 12 SP5
2.4.23-29.43.1
fixed
apache2-utils
suse enterprise sap 12 SP2
2.4.23-29.13.1
fixed
suse enterprise sap 12 SP3
2.4.23-29.13.1
fixed
suse enterprise sap 12 SP5
2.4.23-29.43.1
fixed
suse enterprise server 12 SP2
2.4.23-29.13.1
fixed
suse enterprise server 12 SP3
2.4.23-29.13.1
fixed
suse enterprise server 12 SP5
2.4.23-29.43.1
fixed
apache2-worker
suse enterprise sap 12 SP2
2.4.23-29.13.1
fixed
suse enterprise sap 12 SP3
2.4.23-29.13.1
fixed
suse enterprise sap 12 SP5
2.4.23-29.43.1
fixed
suse enterprise server 12 SP2
2.4.23-29.13.1
fixed
suse enterprise server 12 SP3
2.4.23-29.13.1
fixed
suse enterprise server 12 SP5
2.4.23-29.43.1
fixed
Common Weakness Enumeration
References
http://www.securityfocus.com/bid/99568
http://www.securitytracker.com/id/1038907
https://httpd.apache.org/security/vulnerabilities_24.html
https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/9d0098775bd83cf7c33ac5a077ef412c14ce939198921e639c734e20%40%3Cannounce.httpd.apache.org%3E
https://lists.apache.org/thread.html/r15f9aa4427581a1aecb4063f1b4b983511ae1c9935e2a0a6876dad3c%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r476d175be0aaf4a17680ef98c5153b4d336eaef76fb2224cc94c463a%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r6521a7f62276340eabdb3339b2aa9a38c5f59d978497a1f794af53be%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r76142b8c5119df2178be7c2dba88fde552eedeec37ea993dfce68d1d%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rcc44594d4d6579b90deccd4536b5d31f099ef563df39b094be286b9e%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rd336919f655b7ff309385e34a143e41c503e133da80414485b3abcc9%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rfcf929bd33a6833e3f0c35eebdad70d5060665f9c4e17ea467c66770%40%3Ccvs.httpd.apache.org%3E
https://security.gentoo.org/glsa/201710-32
https://security.netapp.com/advisory/ntap-20170911-0002/
https://support.apple.com/HT208221
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03908en_us
http://www.securityfocus.com/bid/99568
http://www.securitytracker.com/id/1038907
https://httpd.apache.org/security/vulnerabilities_24.html
https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/9d0098775bd83cf7c33ac5a077ef412c14ce939198921e639c734e20%40%3Cannounce.httpd.apache.org%3E
https://lists.apache.org/thread.html/r15f9aa4427581a1aecb4063f1b4b983511ae1c9935e2a0a6876dad3c%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r476d175be0aaf4a17680ef98c5153b4d336eaef76fb2224cc94c463a%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r6521a7f62276340eabdb3339b2aa9a38c5f59d978497a1f794af53be%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r76142b8c5119df2178be7c2dba88fde552eedeec37ea993dfce68d1d%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rcc44594d4d6579b90deccd4536b5d31f099ef563df39b094be286b9e%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rd336919f655b7ff309385e34a143e41c503e133da80414485b3abcc9%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rfcf929bd33a6833e3f0c35eebdad70d5060665f9c4e17ea467c66770%40%3Ccvs.httpd.apache.org%3E
https://security.gentoo.org/glsa/201710-32
https://security.netapp.com/advisory/ntap-20170911-0002/
https://support.apple.com/HT208221
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03908en_us