CVE-2022-40304

moderate-risk
Published 2022-11-23

An issue was discovered in libxml2 before 2.10.3. Certain invalid XML entity definitions can corrupt a hash table key, potentially leading to subsequent logic errors. In one case, a double-free can be provoked.

Do I need to act?

-
0.22% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.8/10 High
LOCAL / LOW complexity

Affected Products (17)

Manageability Software Development Kit

Affected Vendors

Apple Xmlsoft Netapp

References (28)

Mailing List http://seclists.org/fulldisclosure/2022/Dec/21
Mailing List http://seclists.org/fulldisclosure/2022/Dec/24
Mailing List http://seclists.org/fulldisclosure/2022/Dec/25
Mailing List http://seclists.org/fulldisclosure/2022/Dec/26
http://seclists.org/fulldisclosure/2022/Dec/27
Patch https://gitlab.gnome.org/GNOME/libxml2/-/commit/1b41ec4e9433b05bb0376be4725804c5...
Release Notes https://gitlab.gnome.org/GNOME/libxml2/-/tags
Patch https://gitlab.gnome.org/GNOME/libxml2/-/tags/v2.10.3
Third Party Advisory https://security.netapp.com/advisory/ntap-20221209-0003/
Third Party Advisory https://support.apple.com/kb/HT213531
Third Party Advisory https://support.apple.com/kb/HT213533
Third Party Advisory https://support.apple.com/kb/HT213534
Third Party Advisory https://support.apple.com/kb/HT213535
Third Party Advisory https://support.apple.com/kb/HT213536
Mailing List http://seclists.org/fulldisclosure/2022/Dec/21
Mailing List http://seclists.org/fulldisclosure/2022/Dec/24
Mailing List http://seclists.org/fulldisclosure/2022/Dec/25
Mailing List http://seclists.org/fulldisclosure/2022/Dec/26
http://seclists.org/fulldisclosure/2022/Dec/27
Patch https://gitlab.gnome.org/GNOME/libxml2/-/commit/1b41ec4e9433b05bb0376be4725804c5...
and 8 more references
44
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 1/34 · Minimal
Exposure 19/34 · Moderate