Bug 2139153 (CVE-2022-3638) - CVE-2022-3638 nginx: memory leak in IPv4 Off Handler
Summary: CVE-2022-3638 nginx: memory leak in IPv4 Off Handler
Status: NEW
Alias: CVE-2022-3638
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
Depends On: 2139394 2139154 2139155 2139395 2139396 2139398
Blocks: 2137141
TreeView+ depends on / blocked
Reported: 2022-11-01 16:14 UTC by Marian Rehak
Modified: 2023-01-20 05:19 UTC (History)
20 users (show)

Fixed In Version: nginx 1.23.2
Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in NGINX. There is a possible memory leak in ngx_resolver.c, which can affect service availability.
Clone Of:
Last Closed:

Attachments (Terms of Use)

Description Marian Rehak 2022-11-01 16:14:23 UTC
This issue affects some unknown processing of the file ngx_resolver.c of the component IPv4 Off Handler. The manipulation leads to memory leak. The attack may be initiated remotely.

Comment 1 Marian Rehak 2022-11-01 16:14:45 UTC
Created nginx tracking bugs for this issue:

Affects: epel-all [bug 2139154]
Affects: fedora-all [bug 2139155]

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