CVE-2019-6488

Description

The string component in the GNU C Library (aka glibc or libc6) through 2.28, when running on the x32 architecture, incorrectly attempts to use a 64-bit register for size_t in assembly codes, which can lead to a segmentation fault or possibly unspecified other impact, as demonstrated by a crash in __memmove_avx_unaligned_erms in sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S during a memcpy.

Category

7.8
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.15%
Vendor Advisory gentoo.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/106671 third party advisory vdb entry
https://sourceware.org/bugzilla/show_bug.cgi?id=24097 third party advisory issue tracking
https://security.gentoo.org/glsa/202006-04 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-6488?
CVE-2019-6488 has been scored as a high severity vulnerability.
How to fix CVE-2019-6488?
To fix CVE-2019-6488, 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-2019-6488 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-6488 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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