CVE-2017-15871 — The deserialize function in serialize-to-js through 1.1.1 allows attackers to cause a denial of service via vectors involving an Immediately Invoked Function Expression "function()" substring, as demonstrated by a "function(){console.log(" call or a simple infinite loop

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HIGH

The deserialize function in serialize-to-js through 1.1.1 allows attackers to cause a denial of service via vectors involving an Immediately Invoked Function Expression "function()" substring, as demonstrated by a "function(){console.log(" call or a simple infinite loop

Published Oct 24, 2017

7.5

HIGH

CVSS 3.1

EPSS 1.15%

Description

The deserialize function in serialize-to-js through 1.1.1 allows attackers to cause a denial of service via vectors involving an Immediately Invoked Function Expression "function()" substring, as demonstrated by a "function(){console.log(" call or a simple infinite loop. NOTE: the vendor agrees that denial of service can occur but notes that deserialize is explicitly listed as "harmful" within the README.md file

Affected products

Remediation

No remediation recorded yet.

Metrics

1.15% 0.01148

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.

EPSS probability 0.01148

Score over time

2021–2026

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Percentile over time

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Table of values (9 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 2, 2026	1.15% (0.01148)	65.70th	v5 (v2026.06.15)
Sep 20, 2026	1.15% (0.01148)	65.41th	v5 (v2026.06.15)
Jul 20, 2024	0.12% (0.00124)	47.46th	v3 (v2023.03.01)
Jun 26, 2024	0.12% (0.00124)	47.26th	v3 (v2023.03.01)
Mar 7, 2023	0.13% (0.00125)	45.25th	v3 (v2023.03.01)
Mar 6, 2023	0.89% (0.00885)	27.89th	v2 (v2022.01.01)
Feb 4, 2022	0.89% (0.00885)	10.50th	v2 (v2022.01.01)
Feb 3, 2022	0.78% (0.00777)	21.50th	v5 (v2026.06.15)
Apr 14, 2021	0.78% (0.00777)	0.00th	v1

Weaknesses (1)

CWE-835

References (2)

https://github.com/commenthol/serialize-to-js/issues/3
x_refsource_MISCBroken LinkIssue TrackingThird Party Advisory
https://kay-malwarebenchmark.github.io/blog/cve-2017-15871-dos-through-iife/
x_refsource_MISCBroken LinkExploitThird Party Advisory

Link	Providers	Tags
https://github.com/commenthol/serialize-to-js/issues/3		x_refsource_MISCBroken LinkIssue TrackingThird Party Advisory
https://kay-malwarebenchmark.github.io/blog/cve-2017-15871-dos-through-iife/		x_refsource_MISCBroken LinkExploitThird Party Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Oct 24, 2017

Updated Aug 5, 2024

Reserved Oct 24, 2017

Link CVE-2017-15871

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2017-15871

Red Hat

Severity n/a

Public date n/a

Links CVE-2017-15871