CVE & CISA-KEV Catalog

CVE-2015-8869

CRITICALEPSS 92th pctl

9.1

CVSS v3

Description

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.

CWE-119Buffer Overflow CWE-200Information Exposure

How to fix

Remediation Available

ocamlDebian

Fixed in:4.02.3-9CVE-2015-8869

Fixed in:4.02.3-9CVE-2015-8869

Fixed in:4.02.3-9CVE-2015-8869

Fixed in:4.02.3-9CVE-2015-8869

ocamlUbuntu

Fixed in:4.01.0-3ubuntu3.1USN-3437-1

Fixed in:4.01.0-3ubuntu3.1+esm1USN-4778-1

Fixed in:4.02.3-5ubuntu2+esm1USN-4778-1

Fixed in:4.05.0-10ubuntu1+esm1USN-4778-1

ocaml-baseUbuntu

Fixed in:4.01.0-3ubuntu3.1+esm1USN-4778-1

Fixed in:4.02.3-5ubuntu2+esm1USN-4778-1

Fixed in:4.05.0-10ubuntu1+esm1USN-4778-1

ocaml-base-noxUbuntu

Fixed in:4.01.0-3ubuntu3.1+esm1USN-4778-1

Fixed in:4.02.3-5ubuntu2+esm1USN-4778-1

Fixed in:4.05.0-10ubuntu1+esm1USN-4778-1

ocaml-modeUbuntu

Fixed in:4.01.0-3ubuntu3.1+esm1USN-4778-1

Fixed in:4.02.3-5ubuntu2+esm1USN-4778-1

Fixed in:4.05.0-10ubuntu1+esm1USN-4778-1

ocaml-noxUbuntu

Fixed in:4.01.0-3ubuntu3.1+esm1USN-4778-1

Fixed in:4.02.3-5ubuntu2+esm1USN-4778-1

Fixed in:4.05.0-10ubuntu1+esm1USN-4778-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityHigh

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Exploit Intelligence

5.27%probability of exploitation in 30 days

92ndpercentile

High risk: more likely to be exploited than 92% of all known CVEs.

References

Other references13

Related Vulnerabilities

Other CWE-119 (Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-4966	Critical	9.4	100%	KEV + Ransom	Fix
CVE-2017-11882	High	7.8	100%	KEV + Ransom	-
CVE-2020-0796	Critical	10.0	100%	KEV + Ransom	-
CVE-2008-4250	Critical	9.8	99%	KEV	-
CVE-2017-15944	Critical	9.8	98%	KEV	Fix
CVE-2015-0014	High	10.0	97%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.