CVE-2023-29469

Description

An issue was discovered in libxml2 before 2.10.4. When hashing empty dict strings in a crafted XML document, xmlDictComputeFastKey in dict.c can produce non-deterministic values, leading to various logic and memory errors, such as a double free. This behavior occurs because there is an attempt to use the first byte of an empty string, and any value is possible (not solely the '\0' value).

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.05%
Vendor Advisory gnome.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://gitlab.gnome.org/GNOME/libxml2/-/issues/510 vendor advisory issue tracking
https://gitlab.gnome.org/GNOME/libxml2/-/releases/v2.10.4 release notes
https://lists.debian.org/debian-lts-announce/2023/04/msg00031.html third party advisory mailing list
https://security.netapp.com/advisory/ntap-20230601-0006/

Frequently Asked Questions

What is the severity of CVE-2023-29469?
CVE-2023-29469 has been scored as a medium severity vulnerability.
How to fix CVE-2023-29469?
To fix CVE-2023-29469, 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-2023-29469 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-29469 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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