Out-of-bounds Read in GNU Glibc

CVE-2015-8984

The fnmatch function in the GNU C Library (aka glibc or libc6) before 2.22 might allow context-dependent attackers to cause a denial of service (application crash) via a malformed pattern, which triggers an out-of-bounds read.

Vulnerability class: Buffer Overflow

EPSS: 0.024 (82.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (mailing-list, x_refsource_MLIST, Patch, Mailing List, Third Party Advisory)
  • cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
  • cve@mitre.org (mailing-list, x_refsource_MLIST, Patch, Mailing List, Third Party Advisory)
  • cve@mitre.org (x_refsource_CONFIRM)
  • cve@mitre.org (Vendor Advisory, mailing-list, x_refsource_MLIST)
  • cve@mitre.org (x_refsource_CONFIRM, Patch, Issue Tracking)

Frequently asked questions

What is CVE-2015-8984?
CVE-2015-8984 is a medium-severity vulnerability in GNU Glibc, classified under Out-of-bounds Read. CVSS score: 5.9/10. Published 2017-03-20.
How severe is CVE-2015-8984?
Medium severity. CVSS v3 base score is 5.9 out of 10.
Is CVE-2015-8984 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.