CVE-2011-5037

Google V8 computes hash values for form parameters without restricting the ability to trigger hash collisions predictably, which allows remote attackers to cause a denial of service (CPU consumption) by sending many crafted parameters, as demonstrated by attacks against Node.js.

Published: 2011-12-30 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-5037 is rated Moderate Risk (45.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.53%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2011-5037

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.76% 1.53% +0.77%
2 2025-03-30 1.10% 0.76% -0.34%
3 2025-03-29 — 1.10% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-5037

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2011-5037

OS Trackers for CVE-2011-5037

vendor priority summary link
redhat medium — https://access.redhat.com/security/cve/CVE-2011-5037
ubuntu medium CVE-2011-5037 medium priority: Ubuntu including 2 source packages (libv8, libv8-3.14), 28 status rows across 16 suites (hardy, lucid, maverick, natty, oneiric, precise, quantal, raring, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety): DNE 12, ignored 8, not-affected 6, needed 1, released 1. https://ubuntu.com/security/CVE-2011-5037

Affected software / configurations for CVE-2011-5037

Vendor Product Version Raw CPE
google v8 — cpe:2.3:a:google:v8:*:*:*:*:*:*:*:*

References for CVE-2011-5037

cvelogic Threat Intelligence