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CVE-2015-9239

19
FAUCET Score

CVE-2015-9239 describes a Regular Expression Denial of Service (ReDoS) vulnerability in the ansi2html_project ansi2html utility. This flaw allows an unauthenticated attacker to trigger a denial of service by providing specially crafted input that causes the application to consume excessive resources. With a CVSS v3.1 score of 7.5 (High), this vulnerability is easily exploitable over the network with no user interaction required, leading to high availability impact. There is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
0.0.1CPE matchmatch criteria
cpe:2.3:a:ansi2html_project:ansi2html:0.0.1:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.15%
Probability of exploitation in next 30 days
EPSS Percentile
63.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0115 is in the 42nd percentile among its peer group of 51,485 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

npmGHSA-c2v2-7rcg-2ch7high

Regular Expression Denial of Service in ansi2html

Sep 1, 2020

References

nodesecurity.io / advisories/51
ExploitThird Party Advisory