CVE-2020-14315
9.8
CRITICAL
CVSS 3.1
EPSS 2.5%
Description
A memory corruption vulnerability is present in bspatch as shipped in Colin Percival’s bsdiff tools version 4.3. Insufficient checks when handling external inputs allows an attacker to bypass the sanity checks in place and write out of a dynamically allocated buffer boundaries.
How to fix CVE-2020-14315
To remediate CVE-2020-14315, upgrade the affected package to a fixed version below.
- Debian/bsdiff—upgrade to 4.3-22 or later
Is CVE-2020-14315 being exploited?
Low — EPSS is 2.5%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 4.3-22
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |