VDB
CVE-2020-14315
CVE-2020-14315
PUBLISHED
CVSS 9.800000190734863 CRITICAL
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.
EPSS 2.55% · 83.9th percentile
Risk Scores
CVSS 3.1
9.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
2.55%
83.9th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:18.04:LTS | bsdiff | 4.3-19, 4.3-20, 0 |
| Ubuntu:16.04:LTS | bsdiff | 4.3-15, 4.3-15+deb8u1build0.16.04.1, 0 |
| Ubuntu:20.04:LTS | bsdiff | 4.3-21, 0 |
| Ubuntu:24.04:LTS | bsdiff | 4.3-23, 0 |
| Ubuntu:22.04:LTS | bsdiff | 4.3-22, 0, 4.3-23 |
| Ubuntu:25.10 | bsdiff | 4.3-23, 0 |
Timeline
- Sep 16, 2020 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Dec 28, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 28, 2022 EPSS Score
- May 2, 2022 EPSS Score
- Jul 4, 2022 EPSS Score
- Sep 5, 2022 EPSS Score
- Nov 7, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-14315 third-party-advisory
- https://www.openwall.com/lists/oss-security/2020/07/09/2 third-party-advisory
- https://www.freebsd.org/security/advisories/FreeBSD-SA-16:29.bspatch.asc third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-14315 third-party-advisory