Buffer overflow in Ocaml

CVE-2015-8869

OCaml before 4.03.0 does not properly handle sign extensions, which allows remote attackers to conduct buffer overflow attacks or obtain sensitive information as demonstrated by a long string to the String.copy function.

Vulnerability class: Buffer Overflow

EPSS: 0.053 (91.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2015-8869?
CVE-2015-8869 is a critical-severity vulnerability in Ocaml, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.1/10. Published 2016-06-13.
How severe is CVE-2015-8869?
Critical severity. CVSS v3 base score is 9.1 out of 10.
Is CVE-2015-8869 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.