CVE & CISA-KEV Catalog

CVE-2015-5237

HIGHEPSS 91th pctl

8.8

CVSS v3

Description

protobuf allows remote authenticated attackers to cause a heap-based buffer overflow.

CWE-787Out-of-bounds Write

How to fix

Remediation Available

libprotobuf-lite9v5Ubuntu

Fixed in:2.6.1-1.3ubuntu0.1~esm2USN-5769-1

libprotobuf9v5Ubuntu

Fixed in:2.6.1-1.3ubuntu0.1~esm2USN-5769-1

libprotoc9v5Ubuntu

Fixed in:2.6.1-1.3ubuntu0.1~esm2USN-5769-1

protobufUbuntu

Fixed in:2.6.1-1.3ubuntu0.1~esm2USN-5769-1

protobuf-compilerUbuntu

Fixed in:2.6.1-1.3ubuntu0.1~esm2USN-5769-1

python-protobufUbuntu

Fixed in:2.6.1-1.3ubuntu0.1~esm2USN-5769-1

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 RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

5.11%probability of exploitation in 30 days

91stpercentile

High risk: more likely to be exploited than 91% of all known CVEs.

References

Related Vulnerabilities

Other CWE-787 (Out-of-bounds Write) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-22457	Critical	9.0	100%	KEV + Ransom	Fix
CVE-2025-0282	Critical	9.0	100%	KEV + Ransom	-
CVE-2015-3113	Critical	9.8	100%	KEV	Fix
CVE-2021-20038	Critical	9.8	100%	KEV + Ransom	-
CVE-2023-4863	High	8.8	100%	KEV	Fix
CVE-2020-16040	Medium	6.5	100%	-	Fix

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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 2026-05-13.