CVE-2022-40304

Description

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.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.07%
Third-Party Advisory seclists.org Third-Party Advisory seclists.org Third-Party Advisory seclists.org Third-Party Advisory seclists.org Third-Party Advisory gnome.org Third-Party Advisory gnome.org Third-Party Advisory gnome.org Third-Party Advisory netapp.com Third-Party Advisory apple.com Third-Party Advisory apple.com Third-Party Advisory apple.com Third-Party Advisory apple.com Third-Party Advisory apple.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://gitlab.gnome.org/GNOME/libxml2/-/tags third party advisory release notes
https://gitlab.gnome.org/GNOME/libxml2/-/tags/v2.10.3 release notes third party advisory patch
https://gitlab.gnome.org/GNOME/libxml2/-/commit/1b41ec4e9433b05bb0376be4725804c54ef1d80b third party advisory patch
https://security.netapp.com/advisory/ntap-20221209-0003/ third party advisory
https://support.apple.com/kb/HT213534 third party advisory
https://support.apple.com/kb/HT213533 third party advisory
https://support.apple.com/kb/HT213531 third party advisory
https://support.apple.com/kb/HT213536 third party advisory
https://support.apple.com/kb/HT213535 third party advisory
http://seclists.org/fulldisclosure/2022/Dec/21 third party advisory mailing list
http://seclists.org/fulldisclosure/2022/Dec/25 third party advisory mailing list
http://seclists.org/fulldisclosure/2022/Dec/26 third party advisory mailing list
http://seclists.org/fulldisclosure/2022/Dec/24 third party advisory mailing list
http://seclists.org/fulldisclosure/2022/Dec/27 mailing list

Frequently Asked Questions

What is the severity of CVE-2022-40304?
CVE-2022-40304 has been scored as a high severity vulnerability.
How to fix CVE-2022-40304?
To fix CVE-2022-40304, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-40304 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-40304 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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