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 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.

CVSS v3.1

5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS v2.0

2.1 LOWAV:L/AC:L/Au:N/C:N/I:N/A:P

EPSS

0.76% chance of exploitation in the next 30 days, 53th percentile

Published

2020-03-04

Updated

2024-08-04

Proof-of-concept exploits (1)

• https://sourceware.org/bugzilla/show_bug.cgi?id=25487

References

• CVE Record
• NVD entry

Related

• CVE-2020-10028
• CVE-2020-10057
• CVE-2020-10024
• CVE-2020-10063
• CVE-2020-10023
• CVE-2020-10069