What is CVE-2015-4042?

CVE-2015-4042 is a critical-severity vulnerability in Gnu Coreutils, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2020-01-24.

How severe is CVE-2015-4042?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2015-4042 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Integer overflow in Gnu Coreutils

CVE-2015-4042

Integer overflow in the keycompare_mb function in sort.c in sort in GNU Coreutils through 8.23 might allow attackers to cause a denial of service (application crash) or possibly have unspecified other impact via long strings.

Vulnerability class: Integer Overflow

EPSS: 0.023 (81.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Gnu Coreutils
N/a — versions n/a

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Patch, Mailing List, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2015-4042?: CVE-2015-4042 is a critical-severity vulnerability in Gnu Coreutils, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2020-01-24.
How severe is CVE-2015-4042?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2015-4042 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.