You are viewing this page in an unauthorized frame window.
This is a potential security issue, you are being redirected to
https://nvd.nist.gov
An official website of the United States government
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock () or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.
This CVE record has been updated after NVD enrichment efforts were completed. Enrichment data supplied by the NVD may require amendment due to these changes.
Description
NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_rewrite_module module. This vulnerability exists when the rewrite directive is followed by a rewrite, if, or set directive and an unnamed Perl-Compatible Regular Expression (PCRE) capture (for example, $1, $2) with a replacement string that includes a question mark (?). An unauthenticated attacker along with conditions beyond its control can exploit this vulnerability by sending crafted HTTP requests. This may cause a heap buffer overflow in the NGINX worker process leading to a restart. Additionally, attackers can execute code on systems with Address Space Layout Randomization (ASLR) disabled or when the attacker can bypass ASLR. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Metrics
NVD enrichment efforts reference publicly available information to associate
vector strings. CVSS information contributed by other sources is also
displayed.
By selecting these links, you will be leaving NIST webspace.
We have provided these links to other web sites because they
may have information that would be of interest to you. No
inferences should be drawn on account of other sites being
referenced, or not, from this page. There may be other web
sites that are more appropriate for your purpose. NIST does
not necessarily endorse the views expressed, or concur with
the facts presented on these sites. Further, NIST does not
endorse any commercial products that may be mentioned on
these sites. Please address comments about this page to [email protected].
[{"vendor":"Red Hat","product":"Red Hat Enterprise Linux AppStream EUS (v. 10.0)","defaultStatus":"affected","cpes":["cpe:/o:redhat:enterprise_linux_eus:10.0"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux AppStream (v. 10)","defaultStatus":"affected","cpes":["cpe:/o:redhat:enterprise_linux:10.1","cpe:/o:redhat:enterprise_linux:10.2"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux AppStream (v. 8)","defaultStatus":"affected","cpes":["cpe:/a:redhat:enterprise_linux:8::appstream"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux AppStream E4S (v.9.0)","defaultStatus":"affected","cpes":["cpe:/a:redhat:rhel_e4s:9.0::appstream"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux AppStream E4S (v.9.2)","defaultStatus":"affected","cpes":["cpe:/a:redhat:rhel_e4s:9.2::appstream"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux AppStream EUS (v.9.4)","defaultStatus":"affected","cpes":["cpe:/a:redhat:rhel_eus:9.4::appstream"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux AppStream EUS (v.9.6)","defaultStatus":"affected","cpes":["cpe:/a:redhat:rhel_eus:9.6::appstream"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux AppStream (v. 9)","defaultStatus":"affected","cpes":["cpe:/a:redhat:enterprise_linux:9::appstream"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0)","defaultStatus":"affected","cpes":["cpe:/o:redhat:enterprise_linux_eus:10.0"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)","defaultStatus":"affected","cpes":["cpe:/o:redhat:enterprise_linux:10.1","cpe:/o:redhat:enterprise_linux:10.2"]},{"vendor":"Red Hat","product":"Red Hat CodeReady Linux Builder EUS (v.9.4)","defaultStatus":"affected","cpes":["cpe:/a:redhat:rhel_eus:9.4::crb"]},{"vendor":"Red Hat","product":"Red Hat CodeReady Linux Builder EUS (v.9.6)","defaultStatus":"affected","cpes":["cpe:/a:redhat:rhel_eus:9.6::crb"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)","de
Reanalysis by NIST6/18/2026 10:12:30 AM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:f5:nginx_ingress_controller:*:*:*:*:*:*:*:* versions from (including) 4.0.0 up to (including) 4.0.1
*cpe:2.3:a:f5:nginx_app_protect_dos:*:*:*:*:*:*:*:* versions from (including) 4.3.0 up to (including) 4.7.0
*cpe:2.3:a:f5:nginx_app_protect_waf:*:*:*:*:*:*:*:* versions from (including) 4.9.0 up to (including) 4.16.0
*cpe:2.3:a:f5:nginx_app_protect_waf:*:*:*:*:*:*:*:* versions from (including) 5.1.0 up to (including) 5.8.0
*cpe:2.3:a:f5:nginx_gateway_fabric:*:*:*:*:*:*:*:* versions from (including) 1.3.0 up to (including) 1.6.2
*cpe:2.3:a:f5:nginx_ingress_controller:*:*:*:*:*:*:*:* versions from (including) 3.5.0 up to (including) 3.7.2
*cpe:2.3:a:f5:nginx_plus:*:*:*:*:*:*:*:* versions from (including) r32 up to (including) r36
*cpe:2.3:a:f5:nginx_gateway_fabric:*:*:*:*:*:*:*:* versions from (including) 2.0.0 up to (including) 2.5.1
*cpe:2.3:a:f5:nginx_ingress_controller:*:*:*:*:*:*:*:* versions from (including) 5.0.0 up to (including) 5.4.1
*cpe:2.3:a:f5:nginx_instance_manager:*:*:*:*:*:*:*:* versions from (including) 2.16.0 up to (including) 2.21.1
*cpe:2.3:a:f5:nginx_open_source:*:*:*:*:*:*:*:* versions from (including) 0.6.27 up to (including) 1.30.0
*cpe:2.3:a:f5:dos:4.8.0:*:*:*:*:nginx:*:*
*cpe:2.3:a:f5:waf:*:*:*:*:*:nginx:*:* versions from (including) 5.9.0 up to (including) 5.12.1
OR
*cpe:2.3:a:f5:nginx_ingress_controller:*:*:*:*:*:*:*:* versions from (including) 4.0.0 up to (including) 4.0.1
*cpe:2.3:a:f5:nginx_gateway_fabric:*:*:*:*:*:*:*:* versions from (including) 1.3.0 up to (including) 1.6.2
*cpe:2.3:a:f5:nginx_ingress_controller:*:*:*:*:*:*:*:* versions from (including) 3.5.0 up to (including) 3.7.2
*cpe:2.3:a:f5:nginx_plus:*:*:*:*:*:*:*:* versions from (including) r32 up to (including) r36
*cpe:2.3:a:f5:nginx_gateway_fabric:*:*:*:*:*:*:*:* versions from (including) 2.0.0 up to (including) 2.5.1
*cpe:2.3:a:f5:nginx_ingress_controller:*:*:*:*:*:*:*:* versions from (including) 5.0.0 up to (including) 5.4.1
*cpe:2.3:a:f5:nginx_instance_manager:*:*:*:*:*:*:*:* versions from (including) 2.16.0 up to (including) 2.21.1
*cpe:2.3:a:f5:nginx_open_source:*:*:*:*:*:*:*:* versions from (including) 0.6.27 up to (including) 1.30.0
*cpe:2.3:a:f5:dos:4.8.0:*:*:*:*:nginx:*:*
*cpe:2.3:a:f5:waf:*:*:*:*:*:nginx:*:* versions from (including) 5.9.0 up to (including) 5.12.1
*cpe:2.3:a:f5:dos:*:*:*:*:*:nginx:*:* versions from (including) 4.3.0 up to (including) 4.7.0
*cpe:2.3:a:f5:waf:*:*:*:*:*:nginx:*:* versions from (including) 5.1.0 up to (including) 5.8.0
*cpe:2.3:a:f5:waf:*:*:*:*:*:nginx:*:* versions from (including) 4.9.0 up to (including) 4.16.0
Initial Analysis by NIST6/17/2026 2:28:38 PM
Action
Type
Old Value
New Value
Added
CPE Configuration
OR
*cpe:2.3:a:f5:nginx_ingress_controller:*:*:*:*:*:*:*:* versions from (including) 4.0.0 up to (including) 4.0.1
*cpe:2.3:a:f5:nginx_app_protect_dos:*:*:*:*:*:*:*:* versions from (including) 4.3.0 up to (including) 4.7.0
*cpe:2.3:a:f5:nginx_app_protect_waf:*:*:*:*:*:*:*:* versions from (including) 4.9.0 up to (including) 4.16.0
*cpe:2.3:a:f5:nginx_app_protect_waf:*:*:*:*:*:*:*:* versions from (including) 5.1.0 up to (including) 5.8.0
*cpe:2.3:a:f5:nginx_gateway_fabric:*:*:*:*:*:*:*:* versions from (including) 1.3.0 up to (including) 1.6.2
*cpe:2.3:a:f5:nginx_ingress_controller:*:*:*:*:*:*:*:* versions from (including) 3.5.0 up to (including) 3.7.2
*cpe:2.3:a:f5:nginx_plus:*:*:*:*:*:*:*:* versions from (including) r32 up to (including) r36
*cpe:2.3:a:f5:nginx_gateway_fabric:*:*:*:*:*:*:*:* versions from (including) 2.0.0 up to (including) 2.5.1
*cpe:2.3:a:f5:nginx_ingress_controller:*:*:*:*:*:*:*:* versions from (including) 5.0.0 up to (including) 5.4.1
*cpe:2.3:a:f5:nginx_instance_manager:*:*:*:*:*:*:*:* versions from (including) 2.16.0 up to (including) 2.21.1
*cpe:2.3:a:f5:nginx_open_source:*:*:*:*:*:*:*:* versions from (including) 0.6.27 up to (including) 1.30.0
*cpe:2.3:a:f5:dos:4.8.0:*:*:*:*:nginx:*:*
*cpe:2.3:a:f5:waf:*:*:*:*:*:nginx:*:* versions from (including) 5.9.0 up to (including) 5.12.1
Added
Reference Type
CVE: https://depthfirst.com/nginx-rift Types: Mitigation, Technical Description, Third Party Advisory
Added
Reference Type
CVE: https://github.com/DepthFirstDisclosures/Nginx-Rift Types: Exploit, Third Party Advisory
[{"vendor":"F5","product":"NGINX Plus","defaultStatus":"unknown","modules":["ngx_http_rewrite_module"],"versions":[{"version":"R37","lessThan":"*","versionType":"custom","status":"unaffected"},{"version":"R36","lessThan":"R36 P4","versionType":"custom","status":"affected"},{"version":"R32","lessThan":"R32 P6","versionType":"custom","status":"affected"}]},{"vendor":"F5","product":"NGINX Open Source","defaultStatus":"unaffected","modules":["ngx_http_rewrite_module"],"versions":[{"version":"1.31.0","lessThan":"*","versionType":"semver","status":"unaffected"},{"version":"0.6.27","lessThan":"1.30.1","versionType":"semver","status":"affected"}]}]
CVE Modified by F5 Networks5/21/2026 3:16:53 PM
Action
Type
Old Value
New Value
Changed
Description
NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_rewrite_module module. This vulnerability exists when the rewrite directive is followed by a rewrite, if, or set directive and an unnamed Perl-Compatible Regular Expression (PCRE) capture (for example, $1, $2) with a replacement string that includes a question mark (?). An unauthenticated attacker along with conditions beyond its control can exploit this vulnerability by sending crafted HTTP requests. This may cause a heap buffer overflow in the NGINX worker process leading to a restart. Additionally, for systems with Address Space Layout Randomization (ASLR ) disabled, code execution is possible. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_rewrite_module module. This vulnerability exists when the rewrite directive is followed by a rewrite, if, or set directive and an unnamed Perl-Compatible Regular Expression (PCRE) capture (for example, $1, $2) with a replacement string that includes a question mark (?). An unauthenticated attacker along with conditions beyond its control can exploit this vulnerability by sending crafted HTTP requests. This may cause a heap buffer overflow in the NGINX worker process leading to a restart. Additionally, attackers can execute code on systems with Address Space Layout Randomization (ASLR) disabled or when the attacker can bypass ASLR. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
New CVE Received from F5 Networks5/13/2026 12:16:50 PM
Action
Type
Old Value
New Value
Added
Description
NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_rewrite_module module. This vulnerability exists when the rewrite directive is followed by a rewrite, if, or set directive and an unnamed Perl-Compatible Regular Expression (PCRE) capture (for example, $1, $2) with a replacement string that includes a question mark (?). An unauthenticated attacker along with conditions beyond its control can exploit this vulnerability by sending crafted HTTP requests. This may cause a heap buffer overflow in the NGINX worker process leading to a restart. Additionally, for systems with Address Space Layout Randomization (ASLR ) disabled, code execution is possible. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.
