CVEvulnerability
CVE-2020-15904
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-07-22
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-787
Description
A buffer overflow in the patching routine of bsdiff4 before 1.2.0 allows an attacker to write to heap memory (beyond allocated bounds) via a crafted patch file.
Affected configurations
• pypi bsdiff4 (< 1.2.0)
Related
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
References
- https://github.com/ilanschnell/bsdiff4/blob/master/CHANGELOG.txt Release Notes, Third Party Advisory
- https://github.com/ilanschnell/bsdiff4/commit/49a4cee2feef7deaf9d89e5e793a8824930284d7 Patch, Third Party Advisory
- https://github.com/ilanschnell/bsdiff4/blob/master/CHANGELOG.txt Release Notes, Third Party Advisory
- https://github.com/ilanschnell/bsdiff4/commit/49a4cee2feef7deaf9d89e5e793a8824930284d7 Patch, Third Party Advisory