Vulnerability · Published Dec 6, 2024 · Assigned by redhat
CVE-2024-11738Rustls: rustls network-reachable panic in `acceptor::accept`
Medium 5.3
In plain English
A medium-severity security flaw in rustls. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities).
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.7%top 45.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu:24.04:LTS | rust-rustls | no fix listed | UBUNTU-CVE-2024-11738 |
| Ubuntu:25.10 | rust-rustls | no fix listed | UBUNTU-CVE-2024-11738 |
| Ubuntu:26.04:LTS | rust-rustls | no fix listed | UBUNTU-CVE-2024-11738 |
| Ubuntu:26.10 | rust-rustls | no fix listed | UBUNTU-CVE-2024-11738 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| rustls | 0.23.13 – before 0.23.18 | |
| Red Hat | Red Hat Trusted Artifact Signer | see references |
| Red Hat | Red Hat Trusted Artifact Signer | see references |
Weakness: CWE-248 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
References
- https://access.redhat.com/security/cve/CVE-2024-11738 vdb-entry, x_refsource_REDHAT
- RHBZ#2328732 issue-tracking, x_refsource_REDHAT
- https://github.com/advisories/GHSA-qg5g-gv98-5ffh
- https://github.com/rustls/rustls
- https://github.com/rustls/rustls/issues/2227
- https://rustsec.org/advisories/RUSTSEC-2024-0399.html