PT-2019-1344

CVE-2019-6488

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Publicado

2019-01-16

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Atualizado

2026-10-14

Descrição por

CVSS 3.1
7.8
Alta
MétricasAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions glibc versions through 2.28
Description The issue is related to the string component in the GNU C Library, specifically when running on the x32 architecture. It incorrectly attempts to use a 64-bit register for size t in assembly codes, which can lead to a segmentation fault or possibly other unspecified impacts. This is demonstrated by a crash in the memmove avx unaligned erms function during a memcpy. The vulnerability is also associated with errors in resource release in the memmove avx unaligned erms function, which can be exploited to cause an application crash using a specially crafted file.
Recommendations For glibc versions through 2.28, consider updating to a version that addresses this issue, as the current version may lead to a segmentation fault or application crash due to incorrect register usage and resource release errors. At the moment, there is no information about a newer version that contains a fix for this vulnerability.
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