DEBIAN-CVE-2019-15903

Advisory lineage Upstream: 1 Downstream: 6
Upstream
CVE-2019-15903
Published: 04 Sept 2019, 06:15
Last modified:28 Apr 2026, 20:20

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

04 Sept 2019, 06:15
Published
Vulnerability first disclosed
28 Apr 2026, 20:20
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Systems

  • debian•expat

    < 2.2.7-2 | < 2.2.7-2 | < 2.2.7-2 | < 2.2.7-2

  • debian•firefox-esr

    < 68.2.0esr-1 | < 68.2.0esr-1 | < 68.2.0esr-1 | < 68.2.0esr-1

  • debian•libxmltok

    all | all

  • debian•thunderbird

    < 1:68.2.1-1 | < 1:68.2.1-1 | < 1:68.2.1-1 | < 1:68.2.1-1

References (1)