CVE-2019-15903
expat - security update
7.5
HIGH
CVSS 3.1
EPSS 0.20%
Description
In libexpat before 2.2.8, crafted XML input could fool the parser into changing from DTD parsing to document parsing too early; a consecutive call to XML_GetCurrentLineNumber (or XML_GetCurrentColumnNumber) then resulted in a heap-based buffer over-read.
How to fix CVE-2019-15903
To remediate CVE-2019-15903, upgrade the affected package to a fixed version below.
- Alpine/expat—upgrade to 2.2.7-r1 or later
- —upgrade to 2.7.17-r0 or later
- —upgrade to 2.1.0-6+deb8u6 or later
- —upgrade to 2.2.0-2+deb9u3 or later
- —upgrade to 2.2.7-2 or later
- —upgrade to 68.2.0esr-1 or later
- —no fix listed
- —upgrade to 1:68.2.1-1 or later
Is CVE-2019-15903 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (8)
- from 0, < 2.2.7-r1
- from 0, < 2.7.17-r0
- from 0, < 2.1.0-6+deb8u6
- from 0, < 2.2.0-2+deb9u3
- from 0, < 2.2.7-2
- from 0, < 68.2.0esr-1
- from 0
- from 0, < 1:68.2.1-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |