VDB
ALPINE-CVE-2018-20843
ALPINE-CVE-2018-20843
PUBLISHED
CVSS 7.5 HIGH
In libexpat in Expat before 2.2.7, XML input including XML names that contain a large number of colons could make the XML parser consume a high amount of RAM and CPU resources while processing (enough to be usable for denial-of-service attacks).
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.11 | expat | 0, 2.0.1-r0, 2.0.1-r1 |
| Alpine:v3.18 | expat | 0, 2.0.1-r0, 2.0.1-r1 |
| Alpine:v3.14 | expat | 2.0.1-r0, 0, 0 |
| Alpine:v3.10 | expat | 0, 0, 0 |
| Alpine:v3.17 | expat | 2.2.3-r0, 0, 2.0.1-r0 |
| Alpine:v3.22 | expat | 0, 0, 2.0.1-r2 |
| Alpine:v3.15 | expat | 0, 0, 0 |
| Alpine:v3.13 | expat | 0, 0, 0 |
| Alpine:v3.7 | expat | 0, 0, 2.2.5-r0 |
| Alpine:v3.12 | expat | 2.0.1-r0, 0, 0 |
| Alpine:v3.20 | expat | 2.0.1-r1, 2.1.1-r0, 2.0.1-r0 |
| Alpine:v3.16 | expat | 0, 2.0.1-r0, 2.0.1-r1 |
| Alpine:v3.19 | expat | 2.0.1-r6, 0, 0 |
| Alpine:v3.8 | expat | 0, 0, 2.0.1-r0 |
| Alpine:v3.23 | expat | 0, 0, 2.0.1-r0 |
| Alpine:v3.21 | expat | 2.0.1-r1, 2.1.0-r2, 2.1.1-r0 |
| Alpine:v3.24 | expat | 0, 0 |
| Alpine:v3.9 | expat | 0, 0, 2.0.1-r0 |
Timeline
- Jun 24, 2019 CVE Published
- Apr 30, 2026 Distribution Patch
- Jun 9, 2026 CVE Updated