All vulnerabilities

Servers and applications

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.

Severity
Medium 5.5
Published
4 Mar 2020
Last changed
14 Oct 2026
Added to UpHeron
1 Nov 2026
Fixed in
2.32.0
Sources
NVD

Affected software

SoftwareAffected versions
GNU C LibraryServers and applications · cpe:a:gnu:glibc
  • Every version before 2.32.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-10029
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-10029