CVE-2021-3517
Severity
8.6HIGH
EPSS
0.1%
top 71.16%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedMay 19
Latest updateMay 24
Description
There is a flaw in the xml entity encoding functionality of libxml2 in versions before 2.9.11. An attacker who is able to supply a crafted file to be processed by an application linked with the affected functionality of libxml2 could trigger an out-of-bounds read. The most likely impact of this flaw is to application availability, with some potential impact to confidentiality and integrity if an attacker is able to use memory information to further exploit the application.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:HExploitability: 3.9 | Impact: 4.7
Affected Packages12 packages
Also affects: Debian Linux 9.0, Fedora 33, 34, Enterprise Linux 8.0
Patches
🔴Vulnerability Details
6📋Vendor Advisories
6Microsoft▶
There is a flaw in the xml entity encoding functionality of libxml2 in versions before 2.9.11. An attacker who is able to supply a crafted file to be processed by an application linked with the affect↗2021-05-11