Vulnerability · Published Aug 22, 2023 · Assigned by mitre
CVE-2020-18780
Medium 5.5
In plain English
A medium-severity security flaw in the nasm package (Debian). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.3%top 78.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A Use After Free vulnerability in function new_Token in asm/preproc.c in nasm 2.14.02 allows attackers to cause a denial of service via crafted nasm command.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | nasm | 2.15.04-1 | DEBIAN-CVE-2020-18780 |
| Debian:13 | nasm | 2.15.04-1 | DEBIAN-CVE-2020-18780 |
| Debian:14 | nasm | 2.15.04-1 | DEBIAN-CVE-2020-18780 |