Rustls: rustls network-reachable panic in `acceptor::accept`
Priority HIGH 72CWE-248Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-248.
Summary
A flaw was found in Rustls 0.23.13 and related APIs. This vulnerability allows denial of service (panic) via a fragmented TLS ClientHello message.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00731 54th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed rustls: 0.23.18
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | rustls | 0.23.13 to before 0.23.18 | 0.23.18 | Patch available | CNA |
| Red Hat | Red Hat Trusted Artifact Signer | — | — | Not affected | CNA |
| Red Hat | Red Hat Trusted Artifact Signer | — | — | Not affected | CNA |
- rustls Vendor— Affected 0.23.13 to before 0.23.18 Fixed in 0.23.18 Patch available CNA
- Red Hat Trusted Artifact Signer VendorRed Hat Affected — Fixed in — Not affected CNA
- Red Hat Trusted Artifact Signer VendorRed Hat Affected — Fixed in — Not affected CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:rustls_project:rustls:0.23.13:*:*:*:*:*:*:* | 0.23.13 | Vulnerable | Rustls Project |
- cpe:2.3:a:rustls_project:rustls:0.23.13:*:*:*:*:*:*:* Versions 0.23.13 Vulnerable ·Rustls Project
Remediation
- Fix · CNA rustls Fixed in 0.23.18
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 1 product
- Red Hat Trusted Artifact Signer
Timeline
- 2026-10-02 Threatist record created from CVE-2024-11738
References
More Red Hat vulnerabilities
- TI-2019-15875 Protection mechanism failure in Jenkins Pipeline: Groovy Plugin KEVCVSS 3.1CRITICAL 9.9
- TI-2019-15874 Protection mechanism failure in Jenkins Script Security Plugin KEVCVSS 3.1CRITICAL 9.9
- TI-2019-08259 Underflow in PHP-FPM can lead to RCE KEVCVSS 3.1CRITICAL 9.8
- TI-2019-05363 Code injection in Elastic Kibana KEVCVSS 3.1CRITICAL 10.0
- TI-2019-03949 Out-of-bounds write in ESXi and Horizon DaaS KEVCVSS 3.1CRITICAL 9.8
- TI-2018-16080 A code execution vulnerability exists in the Stapler web framework used by Jenkins 2.153… KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2024-11738 · CVE Program
- CVE-2024-11738 · NVD
- FIRST EPSS
- CVE-2024-11738 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences