CVE-2020-21528 — NULL Pointer Dereference in Nasm

CWE-476 — NULL Pointer Dereference6 documents6 sources
Severity
5.5MEDIUMNVD
EPSS
0.5%
top 34.86%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
NasmDebian NasmNasm Netwide Assembler+2 more
Timeline
PublishedAug 22

Description

A Segmentation Fault issue discovered in in ieee_segment function in outieee.c in nasm 2.14.03 and 2.15 allows remote attackers to cause a denial of service via crafted assembly file.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages5 packages

▶debiandebian/nasm< nasm 2.16.01-1 (bookworm)
▶Debiannasm/nasm< 2.16.01-1+2
▶NVDnasm/netwide_assembler2.14.03, 2.15+1

🔴Vulnerability Details

2
GHSA
GHSA-hfwj-q2m5-23m2: A Segmentation Fault issue discovered in in ieee_segment function in outieee↗2023-08-22
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OSV
CVE-2020-21528: A Segmentation Fault issue discovered in in ieee_segment function in outieee↗2023-08-22
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📋Vendor Advisories

3
Microsoft
A Segmentation Fault issue discovered in in ieee_segment function in outieee.c in nasm 2.14.03 and 2.15 allows remote attackers to cause a denial of service via crafted assembly file.↗2023-08-08
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Debian
CVE-2020-21528: nasm - A Segmentation Fault issue discovered in in ieee_segment function in outieee.c i...↗2020
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Red Hat
nasm: segmentation fault in ieee_segment() in outieee.c↗2019-12-08
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