CVE-2016-1000232

NodeJS Tough-Cookie version 2.2.2 contains a Regular Expression Parsing vulnerability in HTTP request Cookie Header parsing that can result in Denial of Service. This attack appear to be exploitable via Custom HTTP header passed by client. This vulnerability appears to have been fixed in 2.3.0.

Published: 2018-09-05 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2016-1000232 is rated Moderate Risk (51.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.36%). EPSS rose +1.44% over the last day, indicating growing attacker interest. 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-2016-1000232

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 0.92% 2.36% +1.44%
2 2025-08-06 0.98% 0.92% -0.06%
3 2025-04-06 — 0.98% —

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2016-1000232

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.3 3.0 MEDIUM
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:L)
Might cause slowdowns, glitches, or partial disruption—not a full brick.
 3.9 1.4 [email protected]
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-2016-1000232

GitHub Security Advisory for CVE-2016-1000232

GHSA-qhv9-728r-6jqg · Severity: medium · Ecosystem: npm — ReDoS via long string of semicolons in tough-cookie

OS Trackers for CVE-2016-1000232

vendor priority summary link
redhat medium — https://access.redhat.com/security/cve/CVE-2016-1000232

Affected software / configurations for CVE-2016-1000232

Vendor Product Version Raw CPE
salesforce tough-cookie >= 0.9.7, <= 2.2.2 cpe:2.3:a:salesforce:tough-cookie:*:*:*:*:*:node.js:*:*
ibm api_connect >= 5.0.6.0, <= 5.0.6.5 cpe:2.3:a:ibm:api_connect:*:*:*:*:*:*:*:*
ibm api_connect >= 5.0.7.0, <= 5.0.7.2 cpe:2.3:a:ibm:api_connect:*:*:*:*:*:*:*:*
ibm api_connect 5.0.8.0 cpe:2.3:a:ibm:api_connect:5.0.8.0:*:*:*:*:*:*:*
redhat openshift_container_platform 3.1 cpe:2.3:a:redhat:openshift_container_platform:3.1:*:*:*:*:*:*:*
redhat openshift_container_platform 3.2 cpe:2.3:a:redhat:openshift_container_platform:3.2:*:*:*:*:*:*:*
redhat openshift_container_platform 3.3 cpe:2.3:a:redhat:openshift_container_platform:3.3:*:*:*:*:*:*:*

References for CVE-2016-1000232

cvelogic Threat Intelligence