CVE-2020-26311
unknown
CVSS v3
—
CVSS v4 NEW
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VIR risk
—
Description
useragent Regular Expression Denial of Service vulnerability
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| npm | useragent | <=2.3.0 | |
References
- https://www.suse.com/security/cve/CVE-2020-26311.html
- https://nvd.nist.gov/vuln/detail/CVE-2020-26311
- https://github.com/3rd-Eden/useragent/issues/167
- https://github.com/3rd-Eden/useragent/commit/4c3ee79358bea72d88fe78ac98f4f861db40b89b
- https://github.com/3rd-Eden/useragent
- https://github.com/3rd-Eden/useragent/blob/ffa906f923183c85fbb9e6c90f19345e2bd3c52a/lib/regexps.js#L5568
- https://securitylab.github.com/advisories/GHSL-2020-312-redos-useragent
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.