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CVE-2020-10029

Published: 04 March 2020

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.

Priority

Low

CVSS 3 base score: 5.5

Status

Package Release Status
eglibc
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.10 (Impish Indri) Does not exist

Ubuntu 21.04 (Hirsute Hippo) Does not exist

Ubuntu 20.04 LTS (Focal Fossa) Does not exist

Ubuntu 18.04 LTS (Bionic Beaver) Does not exist

Ubuntu 16.04 ESM (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Needs triage

glibc
Launchpad, Ubuntu, Debian
Upstream
Released (2.30)
Ubuntu 21.10 (Impish Indri) Not vulnerable
(2.31-0ubuntu9)
Ubuntu 21.04 (Hirsute Hippo) Not vulnerable
(2.31-0ubuntu9)
Ubuntu 20.04 LTS (Focal Fossa) Not vulnerable
(2.31-0ubuntu9)
Ubuntu 18.04 LTS (Bionic Beaver)
Released (2.27-3ubuntu1.2)
Ubuntu 16.04 ESM (Xenial Xerus)
Released (2.23-0ubuntu11.2)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

Patches:
Upstream: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9333498794cde1d5cca518badf79533a24114b6f (master)
Upstream: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c10acd40262486dac597001aecc20ad9d3bd0e4a (master)
Upstream: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0474cd5de60448f31d7b872805257092faa626e4 (2.29)
Upstream: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8e5d591b101d7d8a4628522f1e5ec24b6dfa731b (2.29)