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[GHSA-x5gf-qvw8-r2rm] pm2 Regular Expression Denial of Service vulnerability #6620

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Merged
advisory-database merged 1 commit into from
Jan 9, 2026
Merged

[GHSA-x5gf-qvw8-r2rm] pm2 Regular Expression Denial of Service vulnerability #6620

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21 changes: 5 additions & 16 deletions advisories/github-reviewed/2025/06/GHSA-x5gf-qvw8-r2rm/GHSA-x5gf-qvw8-r2rm.json
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Original file line number Diff line number Diff line change
@@ -1,21 +1,17 @@
{
"schema_version": "1.4.0",
"id": "GHSA-x5gf-qvw8-r2rm",
"modified": "2025-07-11T19:59:50Z",
"modified": "2025-07-11T19:59:51Z",
"published": "2025-06-09T21:30:51Z",
"aliases": [
"CVE-2025-5891"
],
"summary": "pm2 Regular Expression Denial of Service vulnerability",
"details": "A vulnerability classified as problematic was found in Unitech pm2 up to 6.0.8. This vulnerability affects unknown code of the file /lib/tools/Config.js. The manipulation leads to inefficient regular expression complexity. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.",
"details": "A vulnerability classified as problematic was found in Unitech pm2. This vulnerability affects unknown code of the file /lib/tools/Config.js. The manipulation leads to inefficient regular expression complexity. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"
},
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"
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@mhassan1 mhassan1 Jan 6, 2026

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I didn't intend to remove these metrics, but the advisory improvement screen forced me to remove them, and I don't see a way to put them back. I've opened an issue about this limitation in the advisory improvement screen: #5357.

"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"
}
],
"affected": [
Expand All @@ -29,10 +25,7 @@
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"last_affected": "6.0.8"
"introduced": "0.0.0"
}
]
}
Expand All @@ -44,10 +37,6 @@
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-5891"
},
{
"type": "WEB",
"url": "https://github.com/Unitech/pm2/pull/5971"
},
{
"type": "WEB",
"url": "https://gist.github.com/mmmsssttt404/407e2ffe3e0eaa393ad923a86316a385"
Expand All @@ -74,7 +63,7 @@
"CWE-1333",
"CWE-400"
],
"severity": "LOW",
"severity": "MODERATE",
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@mhassan1 mhassan1 Jan 6, 2026

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I didn't intend to increase the severity, but the advisory improvement screen forced me to, and I don't see a way to revert this.

"github_reviewed": true,
"github_reviewed_at": "2025-06-10T22:52:17Z",
"nvd_published_at": "2025-06-09T19:15:25Z"
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