Vulnerability in Gnu Gcc

CVE-2017-11671

Under certain circumstances, the ix86_expand_builtin function in i386.c in GNU Compiler Collection (GCC) version 4.6, 4.7, 4.8, 4.9, 5 before 5.5, and 6 before 6.4 will generate instruction sequences that clobber the status flag of the RDR…

EPSS: 0.004 (35.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.0 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

  • Gnu Gcc — versions 4.6, 4.7, 4.8
  • N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-11671?
CVE-2017-11671 is a medium-severity vulnerability in Gnu Gcc, classified under Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG). CVSS score: 4.0/10. Published 2017-07-26.
How severe is CVE-2017-11671?
Medium severity. CVSS v3 base score is 4.0 out of 10.
Is CVE-2017-11671 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.