Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gnu | Glibc | <= 2.28 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/106671Third Party Advisory
- https://security.gentoo.org/glsa/202006-04
- https://sourceware.org/bugzilla/show_bug.cgi?id=24097Issue TrackingThird Party Advisory
- http://www.securityfocus.com/bid/106671Third Party Advisory
- https://security.gentoo.org/glsa/202006-04
- https://sourceware.org/bugzilla/show_bug.cgi?id=24097Issue TrackingThird Party Advisory
FAQ
What is CVE-2019-6488?
CVE-2019-6488 is a vulnerability with a CVSS score of 7.8 (HIGH). 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...
How severe is CVE-2019-6488?
CVE-2019-6488 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-6488?
Check the references section above for vendor advisories and patch information. Affected products include: Gnu Glibc.