CVE-2017-9789
published 2017-07-13CVE-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…
PriorityP345high7.5CVSS 3.0
AVNACLPRNUINSUCNINAH
EPSS
9.51%
94.9th percentile
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.
Affected
5 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apache | http_server | — | — |
| apache | httpd | — | — |
| apache_software_foundation | apache_http_server | — | — |
| apple | macos_high_sierra_10.13.1_security_update_2017-001_sierra_and_security_update_20 | — | — |
| debian | apache2 | — | — |
CVSS provenance
nvdv3.07.5HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
osv7.5HIGH
vendor_apache7.5HIGH
vendor_debian7.5LOW
vendor_redhat7.5HIGH
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Apple
CVE-2017-9789: macOS High Sierra 10.13.1, Security Update 2017-001 Sierra, and Security Update 2017-004 El Capitan
vendor_apple·2017-10-31·CVSS 7.5
CVE-2017-9789 [HIGH] CVE-2017-9789: macOS High Sierra 10.13.1, Security Update 2017-001 Sierra, and Security Update 2017-004 El Capitan
Apple Security Update: About the security content of macOS High Sierra 10.13.1, Security Update 2017-001 Sierra, and Security Update 2017-004 El Capitan
Product: macOS High Sierra 10.13.1, Security Update 2017-001 Sierra, and Security Update 2017-004 El Capitan
CVE: CVE-2017-9789
Component: CVE-2017-9789
Red Hat
httpd: Read after free in mod_http2
vendor_redhat·2017-07-11·CVSS 7.5
CVE-2017-9789 [HIGH] CWE-416 httpd: Read after free in mod_http2
httpd: Read after free in mod_http2
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.
Package: httpd (Red Hat Enterprise Linux 5) - Not affected
Package: httpd (Red Hat Enterprise Linux 6) - Not affected
Package: httpd (Red Hat Enterprise Linux 7) - Not affected
Package: httpd (Red Hat JBoss Core Services) - Not affected
Package: httpd (Red Hat JBoss Enterprise Application Platform 5) - Not affected
Package: httpd (Red Hat JBoss Enterprise Application Platform 6) - Not affected
Package: httpd (Red Hat JBoss Enterprise Web Server 1) - Not affected
Package: httpd (Red Hat JBoss Enterprise Web Server 2) - Not affected
Package: httpd (Red Hat J
Debian
CVE-2017-9789: apache2 - When under stress, closing many connections, the HTTP/2 handling code in Apache ...
vendor_debian·2017·CVSS 7.5
CVE-2017-9789 [HIGH] CVE-2017-9789: apache2 - When under stress, closing many connections, the HTTP/2 handling code in Apache ...
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.
Scope: local
bookworm: resolved
bullseye: resolved
forky: resolved
sid: resolved
trixie: resolved
Apache
Apache httpd: CVE-2017-9789
vendor_apache·CVSS 7.5
CVE-2017-9789 [HIGH] Apache httpd: CVE-2017-9789
Apache httpd: CVE-2017-9789
When under stress, closing many connections, the HTTP/2 handling code would sometimes access memory after it has been freed, resulting in potentially erratic behaviour. Acknowledgements: We would like to thank Robert Święcki for reporting this issue. Reported to security team 2017-06-30 Issue public 2017-07-11 Update 2.4.27 released 2017-07-11 Affects 2.4.26
Severity: high
GHSA
GHSA-p7q7-pxmj-xgvj: When under stress, closing many connections, the HTTP/2 handling code in Apache httpd 2
ghsa_unreviewed·2022-05-13
CVE-2017-9789 [HIGH] CWE-416 GHSA-p7q7-pxmj-xgvj: When under stress, closing many connections, the HTTP/2 handling code in Apache httpd 2
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.
OSV
CVE-2017-9789: When under stress, closing many connections, the HTTP/2 handling code in Apache httpd 2
osv·2017-07-13·CVSS 7.5
CVE-2017-9789 [HIGH] CVE-2017-9789: When under stress, closing many connections, the HTTP/2 handling code in Apache httpd 2
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.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2017-9789 httpd: Read after free in mod_http2
bugzilla·2017-07-13·CVSS 7.5
CVE-2017-9789 [HIGH] CVE-2017-9789 httpd: Read after free in mod_http2
CVE-2017-9789 httpd: Read after free in mod_http2
When under stress while closing many connections, the HTTP/2 handling code would sometimes access memory after it has been freed, resulting in potentially erratic behaviour.
Affected version: 2.4.26
External References:
https://httpd.apache.org/security/vulnerabilities_24.html#2.4.27
Discussion:
Created httpd tracking bugs for this issue:
Affects: fedora-all [bug 1470756]
---
Patch:
http://svn.apache.org/viewvc?view=revision&revision=1800774
Bugzilla
CVE-2017-9788 CVE-2017-9789 httpd: various flaws [fedora-all]
bugzilla·2017-07-13·CVSS 9.1
CVE-2017-9788 [CRITICAL] CVE-2017-9788 CVE-2017-9789 httpd: various flaws [fedora-all]
CVE-2017-9788 CVE-2017-9789 httpd: various flaws [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multiple supported versions of Fedora. Whil
http://www.securityfocus.com/bid/99568http://www.securitytracker.com/id/1038907https://httpd.apache.org/security/vulnerabilities_24.htmlhttps://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba%40%3Ccvs.httpd.apache.org%3Ehttps://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830%40%3Ccvs.httpd.apache.org%3Ehttps://lists.apache.org/thread.html/9d0098775bd83cf7c33ac5a077ef412c14ce939198921e639c734e20%40%3Cannounce.httpd.apache.org%3Ehttps://lists.apache.org/thread.html/r15f9aa4427581a1aecb4063f1b4b983511ae1c9935e2a0a6876dad3c%40%3Ccvs.httpd.apache.org%3Ehttps://lists.apache.org/thread.html/r476d175be0aaf4a17680ef98c5153b4d336eaef76fb2224cc94c463a%40%3Ccvs.httpd.apache.org%3Ehttps://lists.apache.org/thread.html/r6521a7f62276340eabdb3339b2aa9a38c5f59d978497a1f794af53be%40%3Ccvs.httpd.apache.org%3Ehttps://lists.apache.org/thread.html/r76142b8c5119df2178be7c2dba88fde552eedeec37ea993dfce68d1d%40%3Ccvs.httpd.apache.org%3Ehttps://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3Ehttps://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a%40%3Ccvs.httpd.apache.org%3Ehttps://lists.apache.org/thread.html/rcc44594d4d6579b90deccd4536b5d31f099ef563df39b094be286b9e%40%3Ccvs.httpd.apache.org%3Ehttps://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f%40%3Ccvs.httpd.apache.org%3Ehttps://lists.apache.org/thread.html/rd336919f655b7ff309385e34a143e41c503e133da80414485b3abcc9%40%3Ccvs.httpd.apache.org%3Ehttps://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234%40%3Ccvs.httpd.apache.org%3Ehttps://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3Ehttps://lists.apache.org/thread.html/rfcf929bd33a6833e3f0c35eebdad70d5060665f9c4e17ea467c66770%40%3Ccvs.httpd.apache.org%3Ehttps://security.gentoo.org/glsa/201710-32https://security.netapp.com/advisory/ntap-20170911-0002/https://support.apple.com/HT208221https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03908en_ushttp://www.securityfocus.com/bid/99568http://www.securitytracker.com/id/1038907https://httpd.apache.org/security/vulnerabilities_24.htmlhttps://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba%40%3Ccvs.httpd.apache.org%3Ehttps://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830%40%3Ccvs.httpd.apache.org%3Ehttps://lists.apache.org/thread.html/9d0098775bd83cf7c33ac5a077ef412c14ce939198921e639c734e20%40%3Cannounce.httpd.apache.org%3Ehttps://lists.apache.org/thread.html/r15f9aa4427581a1aecb4063f1b4b983511ae1c9935e2a0a6876dad3c%40%3Ccvs.httpd.apache.org%3Ehttps://lists.apache.org/thread.html/r476d175be0aaf4a17680ef98c5153b4d336eaef76fb2224cc94c463a%40%3Ccvs.httpd.apache.org%3Ehttps://lists.apache.org/thread.html/r6521a7f62276340eabdb3339b2aa9a38c5f59d978497a1f794af53be%40%3Ccvs.httpd.apache.org%3Ehttps://lists.apache.org/thread.html/r76142b8c5119df2178be7c2dba88fde552eedeec37ea993dfce68d1d%40%3Ccvs.httpd.apache.org%3Ehttps://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3Ehttps://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a%40%3Ccvs.httpd.apache.org%3Ehttps://lists.apache.org/thread.html/rcc44594d4d6579b90deccd4536b5d31f099ef563df39b094be286b9e%40%3Ccvs.httpd.apache.org%3Ehttps://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f%40%3Ccvs.httpd.apache.org%3Ehttps://lists.apache.org/thread.html/rd336919f655b7ff309385e34a143e41c503e133da80414485b3abcc9%40%3Ccvs.httpd.apache.org%3Ehttps://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234%40%3Ccvs.httpd.apache.org%3Ehttps://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3Ehttps://lists.apache.org/thread.html/rfcf929bd33a6833e3f0c35eebdad70d5060665f9c4e17ea467c66770%40%3Ccvs.httpd.apache.org%3Ehttps://security.gentoo.org/glsa/201710-32https://security.netapp.com/advisory/ntap-20170911-0002/https://support.apple.com/HT208221https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03908en_us
2017-07-13
Published