Bug#953108: glibc: CVE-2020-10029

[Salvatore Bonaccorso <carnil@debian.org>]

Source: glibc
Version: 2.29-10
Severity: important
Tags: security upstream
Forwarded: https://sourceware.org/bugzilla/show_bug.cgi?id=25487

Hi,

The following vulnerability was published for glibc.

CVE-2020-10029[0]:
| 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.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2020-10029
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-10029
[1] https://sourceware.org/bugzilla/show_bug.cgi?id=25487

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore