CVE-2018-18521
5.5
MEDIUM
CVSS 3.1
EPSS 0.10%
Description
Divide-by-zero vulnerabilities in the function arlib_add_symbols() in arlib.c in elfutils 0.174 allow remote attackers to cause a denial of service (application crash) with a crafted ELF file, as demonstrated by eu-ranlib, because a zero sh_entsize is mishandled.
How to fix CVE-2018-18521
To remediate CVE-2018-18521, upgrade the affected package to a fixed version below.
- Debian/elfutils—upgrade to 0.175-1 or later
Is CVE-2018-18521 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 0.175-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |