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CVE-2020-10029

The GNU C Library (aka glibc or libc6) before 2.32 could overflow an on-stack buffer during range reduction if an input to an 80-bit long double function conta…

Impact

The GNU C Library (aka glibc or libc6) before 2.32 could overflow an on-stack buffer during range reduction if an input to an 80-bit long double function contains a non-canonical bit pattern, a seen when passing a 0x5d414141414141410000 value to sinl on x86 targets. This is related to sysdeps/ieee754/ldbl-96/e_rem_pio2l.c.

Affected products

VendorProductAffected versions
GnuGlibc
before 2.32.0
FedoraprojectFedora
Versions 30, 31, 32
CanonicalUbuntu Linux
Versions 16.04, 18.04, 19.10
OpensuseLeap
Version 15.1
NetappActive Iq Unified Manager
All versions
NetappCloud Backup
All versions
NetappHci Management Node
All versions
NetappSolidfire
All versions
NetappSteelstore Cloud Integrated Storage
All versions
NetappH410c Firmware
All versions
DebianDebian Linux
Version 10.0

Weakness classification

CWE-787

References