CVE catalog
CVE-2020-14315
bsdiff: CVE-2020-14315
- Severity
- Medium
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 2.60% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | bsdiff | sid | 4.3-23 | fixed |
| Debian | bsdiff | forky | 4.3-23 | fixed |
| Debian | bsdiff | trixie | 4.3-23 | fixed |
| Debian | bsdiff | bookworm | 4.3-23 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | bsdiff | source | sid | 4.3-22 | not yet assigned | Not reported | [964796] |
| Debian | bsdiff | source | forky | 4.3-22 | not yet assigned | Not reported | [964796] |
| Debian | bsdiff | source | trixie | 4.3-22 | not yet assigned | Not reported | [964796] |
| Debian | bsdiff | source | bookworm | 4.3-22 | not yet assigned | Not reported | [964796] |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [bsdiff]Fixed
Details (2)
4.3-23· amd64 · bookwormFixed · Fixed:
4.3-22dsa · bsdiff · debian · bookworm; dsa · bsdiff · debian · 12
4.3-23· arm64 · bookwormFixed · Fixed:
4.3-22dsa · bsdiff · debian · bookworm; dsa · bsdiff · debian · 12
[Debian 13 (Trixie)]
Observed: