Bug 2035084 (CVE-2021-45256) - CVE-2021-45256 nasm: Null pointer dereference via asm/preproc.c
Summary: CVE-2021-45256 nasm: Null pointer dereference via asm/preproc.c
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2021-45256
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2035086
Blocks: 2035091
TreeView+ depends on / blocked
 
Reported: 2021-12-22 20:30 UTC by Pedro Sampaio
Modified: 2022-01-11 12:41 UTC (History)
5 users (show)

Fixed In Version:
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Doc Text:
A null-pointer dereference flaw was found in nasm's preproc.c. An attacker with local network access could pass specially crafted unknown input causing an application to halt or crash, leading to a denial of service.
Clone Of:
Environment:
Last Closed: 2022-01-07 09:11:42 UTC
Embargoed:

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Description Pedro Sampaio 2021-12-22 20:30:49 UTC 
A Null Pointer Dereference vulnerability existfs in nasm 2.16rc0 via asm/preproc.c.

References:

https://bugzilla.nasm.us/show_bug.cgi?id=3392789
Comment 1 Pedro Sampaio 2021-12-22 20:31:02 UTC 
Created nasm tracking bugs for this issue:

Affects: fedora-all [bug 2035086]
Comment 2 Product Security DevOps Team 2022-01-07 09:11:40 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2021-45256
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