Select your cookie preferences

We use cookies and similar tools to enhance your experience, provide our services, deliver relevant advertising, and make improvements. Approved third parties also use these tools to help us deliver advertising and provide certain site features.

CVE-2022-25236

Public on 2022-02-16
Modified on 2023-01-18
Description

A flaw was found in expat. Passing one or more namespace separator characters in the "xmlns[:prefix]" attribute values made expat send malformed tag names to the XML processor on top of expat. This issue causes arbitrary code execution depending on how unexpected cases are handled inside the XML processor.

Severity
Critical
See what this means
CVSS v3 Base Score
9.8
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 expat 2022-03-09 22:48 ALAS-2022-1573
Amazon Linux 2 - Core expat 2022-03-09 22:13 ALAS2-2022-1764
Amazon Linux 2023 expat 2023-02-17 20:45 ALAS2023-2023-058
Amazon Linux 2 - Core thunderbird 2022-04-25 22:56 ALAS2-2022-1779

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD CVSSv2 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P
NVD CVSSv3 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H