Vulnerability · Published Aug 25, 2021 · Assigned by mitre

CVE-2020-18974

Low 3.3

In plain English

A low-severity security flaw in the nasm package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 58% of all known vulnerabilities).

Severity (CVSS NVD)3.3Low
Exploit odds (30 days)0.8%top 42.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

Buffer Overflow in Netwide Assembler (NASM) v2.15.xx allows attackers to cause a denial of service via 'crc64i' in the component 'nasmlib/crc64'. This issue is different than CVE-2019-7147.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12nasmno fix listedDEBIAN-CVE-2020-18974
Debian:13nasmno fix listedDEBIAN-CVE-2020-18974
Debian:14nasmno fix listedDEBIAN-CVE-2020-18974
Ubuntu:25.10nasmno fix listedUBUNTU-CVE-2020-18974
Ubuntu:26.04:LTSnasmno fix listedUBUNTU-CVE-2020-18974
Ubuntu:26.10nasmno fix listedUBUNTU-CVE-2020-18974

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References