CVE-2021-27219

Public Exploit

Description

An issue was discovered in GNOME GLib before 2.66.6 and 2.67.x before 2.67.3. The function g_bytes_new has an integer overflow on 64-bit platforms due to an implicit cast from 64 bits to 32 bits. The overflow could potentially lead to memory corruption.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.36%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory gentoo.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://gitlab.gnome.org/GNOME/glib/-/issues/2319 issue tracking exploit third party advisory
https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E mailing list
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2REA7RVKN7ZHRLJOEGBRQKJIPZQPAELZ/ vendor advisory
https://security.netapp.com/advisory/ntap-20210319-0004/ third party advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JJMPNDO4GDVURYQFYKFOWY5HAF4FTEPN/ vendor advisory
https://security.gentoo.org/glsa/202107-13 third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2022/06/msg00006.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2021-27219?
CVE-2021-27219 has been scored as a high severity vulnerability.
How to fix CVE-2021-27219?
To fix CVE-2021-27219, 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-2021-27219 being actively exploited in the wild?
It is possible that CVE-2021-27219 is being exploited or will be exploited in a near future based on public information. 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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