CVE-2024-11738: rustls_project rustls Uncaught Exception
CVSS: 7.5v3.1HighAnalyzed
AliasesUBUNTU-CVE-2024-11738openSUSE-SU-2024:14539-1GHSA-qg5g-gv98-5ffhRUSTSEC-2024-0399
Published 06-12-2024Last modified 20-11-2025
Vulnerability summary
CVE-2024-11738 is a high (CVSS 7.5) Uncaught Exception vulnerability in rustls_project rustls. EPSS estimates a 0.73% chance of exploitation in the next 30 days, higher than 53.7% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
0.73%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Advisory lineage
Upstream 0 · Downstream 1 · Duplicates 1 · Related 1Timeline
- 06-12-2024PublishedVulnerability first disclosed.
- 20-11-2025Last modifiedVulnerability information updated.
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.
CVSS metrics
4 scores · 4 sources · 2 versionsHigh 8.2Preferred score · OSV · Crates.io (Ecosystem advisory) · calculated from vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:PSourcesSingle source
High 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSources3 sources · 5.3–7.5
- CVE.orgCNA5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LDiffers
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.73%
Chance of exploitation in the next 30 days
Percentile
54%
Versus all other CVEs
30-day change
0.00 pp
From 0.73% on 21-09-2026
21-09-202621-10-2026
EPSS score0.73%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundRustls
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Crates.Io1 product
- rustls≥ 0.23.13, < 0.23.18
Opensuse1 product
- himmelblau&distro=openSUSE Tumbleweed< 0.7.7+git.0.b48d0bb-1.1
Rustls_project1 product
- rustls0.23.13
Ubuntu1 product
- rust-rustlsAll versions (No fix recorded)
4 vendors · 4 products
References
11 links- github.com/advisories/GHSA-qg5g-gv98-5ffhThird Party Advisory
- crates.io/crates/rustlsPACKAGE