Integer overflow in Apple Mac Os X

CVE-2014-9862

Integer signedness error in bspatch.c in bspatch in bsdiff, as used in Apple OS X before 10.11.6 and other products, allows remote attackers to execute arbitrary code or cause a denial of service (heap-based buffer overflow) via a crafted patch file.

Vulnerability class: Integer Overflow

EPSS: 0.068 (93.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2014-9862?
CVE-2014-9862 is a high-severity vulnerability in Apple Mac Os X, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2016-07-22.
How severe is CVE-2014-9862?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2014-9862 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.