Bug 2527619 (CVE-2026-78222) - CVE-2026-78222 nginx: NGINX: Denial of Service via malformed HTTP response in ngx.fetch()
Summary: CVE-2026-78222 nginx: NGINX: Denial of Service via malformed HTTP response in...
Keywords:
Status: NEW
Alias: CVE-2026-78222
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-09-02 16:04 UTC by OSIDB Bzimport
Modified: 2026-10-19 13:32 UTC (History)
0 users

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:


Attachments (Terms of Use)

Description OSIDB Bzimport 2026-09-02 16:04:53 UTC
A vulnerability exists in NGINX JavaScript where a malformed HTTP response received by ngx.fetch() can crash an NGINX worker when trusted JavaScript reads Response.statusText. Exploitation requires control or influence over the fetched HTTP response.

Impact:
This vulnerability may allow remote attackers to cause a denial-of-service (DoS) on the NGINX system. There is no control plane exposure; this is a data plane issue only.




Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.


Note You need to log in before you can comment on or make changes to this bug.