CVE-2018-7651 json
Regular Expression Denial of Service in ssri
published 2018-03-04 8 y ago modified 2026-06-17 4 mo ago also GHSA-325j-24f4-qv5x , EUVD-2018-0168
- cvss
- 5.9
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.7%
- EPSS 1.7% chance of exploitation in 30 days, percentile 77%
- public exploits
- 0
- none known
Summary
index.js in the ssri module before 5.2.2 for Node.js is prone to a regular expression denial of service vulnerability in strict mode functionality via a long base64 hash string.
Patch / fix
- npm ssri 5.2.2
- ssri_project ssri 5.2.2
- node-ssri Debian 14, Debian 13, Debian 12 5.2.4-1
debian advisories DEBIAN-CVE-2018-7651
- github.com/zkat/ssri@d0ebcdc commit
Exploit prediction
1.71% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 5.9 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
| GitHub | 3.0 | 5.9 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | ssri | <5.2.2 |
5.2.2 |
Classification
- Weakness
-
- CWE-400 Uncontrolled Resource Consumption
References
-
github.com
/zkat/ssri/commit/d0ebcdc22cb5c8f47f89716d08b3518b2485d65d
web, patch, third-party-advisory
-
github.com
/zkat/ssri/issues/10
web, third-party-advisory
-
nodesecurity.io
/advisories/565
third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2018-7651
advisory
-
github.com
/advisories/GHSA-325j-24f4-qv5x
advisory
-
github.com
/zkat/ssri
package
-
npmjs.com
/advisories/565
web
Sources
- CVE List CVE-2018-7651
- GitHub Advisory GHSA-325j-24f4-qv5x
- NVD CVE-2018-7651
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.