CVE-2017-7659 in the critical feed json
A maliciously constructed HTTP/2 request could cause mod_http2 in Apache HTTP Server 2.4.24, 2.4.25 to dereference a NULL pointer and crash…
published 2017-07-26 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-16661
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 53.9%
- EPSS 53.9% chance of exploitation in 30 days, percentile 99%
- public exploits
- 0
- none known
Summary
A maliciously constructed HTTP/2 request could cause mod_http2 in Apache HTTP Server 2.4.24, 2.4.25 to dereference a NULL pointer and crash the server process.
Patch / fix
- apache2 Debian 14, Debian 13, Debian 12 2.4.25-4
debian advisories DEBIAN-CVE-2017-7659
- httpd24-httpd RHEL 2 SOFTWARE_COLLECTIONS 2.4.25-9.el6.1
- httpd24-httpd RHEL 2 SOFTWARE_COLLECTIONS 2.4.25-9.el7.1
- httpd24-mod_ssl RHEL 2 SOFTWARE_COLLECTIONS 1:2.4.25-9.el6.1
- httpd24-mod_ssl RHEL 2 SOFTWARE_COLLECTIONS 1:2.4.25-9.el7.1
- httpd24-mod_ldap RHEL 2 SOFTWARE_COLLECTIONS 2.4.25-9.el6.1
- httpd24-mod_ldap RHEL 2 SOFTWARE_COLLECTIONS 2.4.25-9.el7.1
- httpd24-httpd-tools RHEL 2 SOFTWARE_COLLECTIONS 2.4.25-9.el6.1
- httpd24-httpd-tools RHEL 2 SOFTWARE_COLLECTIONS 2.4.25-9.el7.1
red hat advisories RHSA-2017:2483
- apache2 SLES for SAP 12 SP3, SLES for SAP 12 SP2, SLES for Raspberry Pi 12 SP2 +4 more 2.4.23-29.13.1
suse advisories SUSE-SU-2018:0261-1
- apache2 Alpine 3.24, Alpine 3.23, Alpine 3.22 +19 more 2.4.26-r0
alpine advisories ALPINE-CVE-2017-7659
Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- apache Arch Linux 2.4.26-1
arch linux advisories AVG-316
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2017-7659 updated cvss 5.9
httpd: mod_http2 NULL pointer dereference
-
Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6) httpd24-httpd 2.4.25-9.el6.1, httpd24-mod_ssl 2.4.25-9.el6.1, httpd24-mod_ldap 2.4.25-9.el6.1, httpd24-httpd-tools 2.4.25-9.el6.1, httpd24-mod_session 2.4.25-9.el6.1, httpd24-httpd-manual 2.4.25-9.el6.1, +1 more Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) httpd24-httpd 2.4.25-9.el7.1, httpd24-mod_ssl 2.4.25-9.el7.1, httpd24-mod_ldap 2.4.25-9.el7.1, httpd24-httpd-tools 2.4.25-9.el7.1, httpd24-mod_session 2.4.25-9.el7.1, httpd24-httpd-manual 2.4.25-9.el7.1, +1 more Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.7) httpd24-httpd 2.4.25-9.el6.1, httpd24-mod_ssl 2.4.25-9.el6.1, httpd24-mod_ldap 2.4.25-9.el6.1, httpd24-httpd-tools 2.4.25-9.el6.1, httpd24-mod_session 2.4.25-9.el6.1, httpd24-httpd-manual 2.4.25-9.el6.1, +1 more Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.3) httpd24-httpd 2.4.25-9.el7.1, httpd24-mod_ssl 2.4.25-9.el7.1, httpd24-mod_ldap 2.4.25-9.el7.1, httpd24-httpd-tools 2.4.25-9.el7.1, httpd24-mod_session 2.4.25-9.el7.1, httpd24-httpd-manual 2.4.25-9.el7.1, +1 more Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6) httpd24-httpd 2.4.25-9.el6.1, httpd24-mod_ssl 2.4.25-9.el6.1, httpd24-mod_ldap 2.4.25-9.el6.1, httpd24-httpd-tools 2.4.25-9.el6.1, httpd24-mod_session 2.4.25-9.el6.1, httpd24-httpd-manual 2.4.25-9.el6.1, +1 more Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) httpd24-httpd 2.4.25-9.el7.1, httpd24-mod_ssl 2.4.25-9.el7.1, httpd24-mod_ldap 2.4.25-9.el7.1, httpd24-httpd-tools 2.4.25-9.el7.1, httpd24-mod_session 2.4.25-9.el7.1, httpd24-httpd-manual 2.4.25-9.el7.1, +1 morefixed: vendor fix RHSA-2017:2483
-
Red Hat Enterprise Linux 5 httpd Red Hat Enterprise Linux 6 httpd, mod_ssl, httpd-tools, httpd-manual Red Hat Enterprise Linux 7 httpd, mod_ssl, mod_ldap, httpd-tools, mod_session, httpd-manual, +1 more Red Hat JBoss Core Services jbcs-httpd24-httpd Red Hat JBoss Enterprise Application Platform 5 httpd Red Hat JBoss Enterprise Application Platform 6 httpd, mod_ssl, mod_ldap, httpd-tools, httpd-manualnot affected: vulnerable code not present
+3 more productsfewer
Red Hat JBoss Enterprise Web Server 1 httpd Red Hat JBoss Enterprise Web Server 2 jbcs-httpd24, jbcs-httpd24-runtime Red Hat JBoss Enterprise Web Server 3 httpd
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
53.94% chance of exploitation in the next 30 days, higher than 99% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Affected products
- Apache Software Foundation Apache HTTP Server
Classification
- Weakness
-
- CWE-476 NULL Pointer Dereference
- Technology feeds
References
-
access.redhat.com
/errata/RHSA-2017:2483
vendor-advisory
-
debian.org
/security/2017/dsa-3896
vendor-advisory
-
security.gentoo.org
/glsa/201710-32
vendor-advisory
- support.apple.com /HT208221
- security.netapp.com /advisory/ntap-20180601-0002/
- support.hpe.com /hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03908en_us
-
lists.apache.org
/thread.html/1d0b746bbaa3a64890fcdab59ee9050aaa633b7143e7d412374e5a9a%40%3Cannounce.httpd.apache.org%3E
mailing-list
-
securityfocus.com
/bid/99132
vdb-entry, third-party-advisory
-
securitytracker.com
/id/1038711
vdb-entry, third-party-advisory
-
lists.apache.org
/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba%40%3Ccvs.httpd.apache.org%3E
mailing-list
-
lists.apache.org
/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830%40%3Ccvs.httpd.apache.org%3E
mailing-list
- tenable.com /security/tns-2019-09
-
lists.apache.org
/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f%40%3Ccvs.httpd.apache.org%3E
mailing-list
-
lists.apache.org
/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234%40%3Ccvs.httpd.apache.org%3E
mailing-list
-
lists.apache.org
/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E
mailing-list
-
lists.apache.org
/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a%40%3Ccvs.httpd.apache.org%3E
mailing-list
-
lists.apache.org
/thread.html/r15f9aa4427581a1aecb4063f1b4b983511ae1c9935e2a0a6876dad3c%40%3Ccvs.httpd.apache.org%3E
mailing-list
-
lists.apache.org
/thread.html/rfcf929bd33a6833e3f0c35eebdad70d5060665f9c4e17ea467c66770%40%3Ccvs.httpd.apache.org%3E
mailing-list
-
lists.apache.org
/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E
mailing-list
-
lists.apache.org
/thread.html/r6521a7f62276340eabdb3339b2aa9a38c5f59d978497a1f794af53be%40%3Ccvs.httpd.apache.org%3E
mailing-list
-
lists.apache.org
/thread.html/rcc44594d4d6579b90deccd4536b5d31f099ef563df39b094be286b9e%40%3Ccvs.httpd.apache.org%3E
mailing-list
-
lists.apache.org
/thread.html/rd336919f655b7ff309385e34a143e41c503e133da80414485b3abcc9%40%3Ccvs.httpd.apache.org%3E
mailing-list
-
lists.apache.org
/thread.html/r476d175be0aaf4a17680ef98c5153b4d336eaef76fb2224cc94c463a%40%3Ccvs.httpd.apache.org%3E
mailing-list
-
lists.apache.org
/thread.html/r76142b8c5119df2178be7c2dba88fde552eedeec37ea993dfce68d1d%40%3Ccvs.httpd.apache.org%3E
mailing-list
Sources
- CVE List CVE-2017-7659
- NVD CVE-2017-7659
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.