CVE-2023-26103
unknown
CVSS v3
—
CVSS v4 NEW
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VIR risk
—
Description
Regular Expression Denial of Service in Deno.upgradeWebSocket API
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.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| crates.io | deno | >=1.12.0,<1.31.0 | 1.31.0 |
References
- https://github.com/denoland/deno/security/advisories/GHSA-jc97-h3h9-7xh6
- https://nvd.nist.gov/vuln/detail/CVE-2023-26103
- https://github.com/denoland/deno/pull/17722
- https://github.com/denoland/deno/commit/cf06a7c7e672880e1b38598fe445e2c50b4a9d06
- https://github.com/denoland/deno
- https://github.com/denoland/deno/blob/2b247be517d789a37e532849e2e40b724af0918f/ext/http/01_http.js#L395-L409
- https://github.com/denoland/deno/releases/tag/v1.31.0
- https://security.snyk.io/vuln/SNYK-RUST-DENO-3315970
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.