CVE-2018-20538 — Use After Free in Netwide Assembler

CWE-416 — Use After Free8 documents7 sources
Severity
5.5MEDIUMNVD
EPSS
0.1%
top 66.14%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Nasm Netwide AssemblerDebian NasmMsrc Azl3 Tensorflow 2.16.1-9 ON Azure Linux 3.0+1 more
Timeline
PublishedDec 28
Latest updateMay 14

Description

There is a use-after-free at asm/preproc.c (function pp_getline) in Netwide Assembler (NASM) 2.14rc16 that will cause a denial of service during certain finishes tests.

CVSS vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages4 packages

▶debiandebian/nasm

🔴Vulnerability Details

2
GHSA
GHSA-vvh8-8r3j-wmjw: There is a use-after-free at asm/preproc↗2022-05-14
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OSV
CVE-2018-20538: There is a use-after-free at asm/preproc↗2018-12-28
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📋Vendor Advisories

3
Microsoft
There is a use-after-free at asm/preproc.c (function pp_getline) in Netwide Assembler (NASM) 2.14rc16 that will cause a denial of service during certain finishes tests.↗2018-12-11
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Red Hat
nasm: Use-after-free at asm/preproc.c resulting in a denial of service↗2018-11-18
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Debian
CVE-2018-20538: nasm - There is a use-after-free at asm/preproc.c (function pp_getline) in Netwide Asse...↗2018
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💬Community

2
Bugzilla
CVE-2018-1000886 CVE-2018-20535 CVE-2018-20538 nasm: various flaws [fedora-all]↗2019-01-07
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Bugzilla
CVE-2018-20538 nasm: Use-after-free at asm/preproc.c resulting in a denial of service↗2019-01-07
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