CVE-2018-12122: nodejs node.js Uncontrolled Resource Consumption
Vulnerability summary
CVE-2018-12122 is a high (CVSS 7.5) Uncontrolled Resource Consumption vulnerability in nodejs node.js. EPSS estimates a 41.29% chance of exploitation in the next 30 days, higher than 98.6% of scored vulnerabilities.
Severe, CVSS 7.5 (NVD); no exploitation reported by the 5 checked sources; EPSS 41% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 9 · Related 6Timeline
- 28-11-2018PublishedVulnerability first disclosed.
- 08-10-2026Last modifiedVulnerability information updated.
Description
Node.js: All versions prior to Node.js 6.15.0, 8.14.0, 10.14.0 and 11.3.0: Slowloris HTTP Denial of Service: An attacker can cause a Denial of Service (DoS) by sending headers very slowly keeping HTTP or HTTPS connections and associated resources alive for a long period of time.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · AlpineEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
41.29%
Chance of exploitation in the next 30 days
Percentile
99%
Versus all other CVEs
30-day change
No change 0.00 pp
From 41.29% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Suse3 products
Alpine2 products
- nodejs< 10.14.0-r0 | < 8.14.0-r0
- nodejs-current< 11.3.0-r0
Debian1 product
- nodejs< 10.15.0~dfsg-6
Nodejs1 product
- node.js≥ 6.0.0, < 6.15.1 | ≥ 8.0.0, < 8.14.0 | ≥ 10.0.0, < 10.14.0 | ≥ 11.0.0, < 11.3.0
The node.js project1 product
- node.jsAll versions prior to Node.js 6.15.0, 8.14.0, 10.14.0 and 11.3.0
Ubuntu1 product
- nodejsAll versions (No fix recorded) | < 8.10.0~dfsg-2ubuntu0.4+esm1
6 vendors · 9 products
References
11 links- nodejs.org/en/blog/vulnerability/november-2018-security-releases/X Refsource CONFIRMPatchVendor AdvisoryREPORT