PT-2024-17221 · Rustls · Rustls

Kvinwang · Published 2024-11-22 · Updated 2026-04-15 · CVE-2024-11738

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Rustls version 0.23.13

Description A flaw was found in Rustls and related APIs, allowing denial of service (panic) via a fragmented TLS ClientHello message.

Recommendations For Rustls version 0.23.13, consider disabling the handling of fragmented TLS ClientHello messages as a temporary workaround until a patch is available.

Fix

DoS

Weakness Enumeration

CWE-248

Related Identifiers

AZL-61546

CVE-2024-11738

GHSA-QG5G-GV98-5FFH

OPENSUSE-SU-2024:14539-1

RUSTSEC-2024-0399

SUSE-SU-2026:1361-1

Affected Products

Rustls

References · 37

• https://github.com/rustls/rustls/issues/2227 · Vendor Advisory
• https://osv.dev/vulnerability/RUSTSEC-2024-0399 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-11738 · Security Note
• https://osv.dev/vulnerability/GHSA-qg5g-gv98-5ffh · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2024-11738 · Vendor Advisory
• https://rustsec.org/advisories/RUSTSEC-2024-0399.html · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:14539-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2024-11738 · Security Note
• https://ubuntu.com/security/CVE-2024-11738 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:1361-1 · Vendor Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=2328732 · Vendor Advisory
• https://osv.dev/vulnerability/AZL-61546 · Vendor Advisory
• https://access.redhat.com/security/cve/CVE-2024-11738 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2024-11738 · Vendor Advisory
• https://github.com/rustls/rustls · Note