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CVE-2019-18197

Public on 2019-10-18
Modified on 2021-01-13
Description

In xsltCopyText in transform.c in libxslt 1.1.33, a pointer variable isn't reset under certain circumstances. If the relevant memory area happened to be freed and reused in a certain way, a bounds check could fail and memory outside a buffer could be written to, or uninitialized data could be disclosed.

Severity
Medium
See what this means
CVSS v3 Base Score
7.5
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 libxslt 2021-01-12 22:51 ALAS-2021-1463
Amazon Linux 2 - Core libxslt 2020-10-22 18:26 ALAS2-2020-1535

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD CVSSv2 5.1 AV:N/AC:H/Au:N/C:P/I:P/A:P
NVD CVSSv3 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H