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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.

🗓️ 25 Sep 2020 07:00:00Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 2 Views

GNU C Library on x86 32-bit uses a 64-bit size_t register, causing segmentation faults in memmove.

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25 Sep 2020 07:00Current
8.8High risk
Vulners AI Score8.8
CVSS 24.6
CVSS 37.8
CVSS 3.17.8
EPSS0.00149
2