vulnerability
MFSA2019-34 Firefox: Security vulnerabilities fixed in - Firefox 70 (CVE-2019-15903)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:N/I:N/A:P) | Sep 4, 2019 | Oct 23, 2019 | Mar 27, 2026 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
Sep 4, 2019
Added
Oct 23, 2019
Modified
Mar 27, 2026
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.
Solution
mozilla-firefox-upgrade-70_0
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