CVE-2026-38640
HIGHCVSS 7.5/10EPSS 0.17%
Last modified
CVE-2026-38640 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A reachable unwrap in the __assert_fail function (/assert/mod.rs) of relibc commit 61f42d allows attackers to cause a Denial of Service (DoS) via a crafted string.. EPSS estimates a 0.17% chance of exploitation in the next 30 days.
Description
A reachable unwrap in the __assert_fail function (/assert/mod.rs) of relibc commit 61f42d allows attackers to cause a Denial of Service (DoS) via a crafted string.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-38640?
A reachable unwrap in the __assert_fail function (/assert/mod.rs) of relibc commit 61f42d allows attackers to cause a Denial of Service (DoS) via a crafted string.
How severe is CVE-2026-38640?
CVE-2026-38640 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.17% probability of exploitation in the next 30 days.
How do I fix CVE-2026-38640?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-3861LINE client for iOS versions prior to 26.3.0 contains a vuln…7.1
- CVE-2026-38615DedeCMS V5.7.118 is vulnerable to Command Execution in file_…9.8
- CVE-2026-3862Cross-site Scripting (XSS) allows an attacker to submit spec…4.8
- CVE-2026-38637An issue in the pthread_rwlockattr_setpshared() function of …7.5
- CVE-2026-38639An issue in the parse_month function (/time/strptime.rs) of …7.5
- CVE-2026-3864A vulnerability was discovered in the Kubernetes CSI Driver …6.5
- CVE-2026-38641An issue in the DSO::mmap_and_copy function of relibc commit…7.5
- CVE-2026-38651Authentication Bypass vulnerability exists in Netmaker versi…8.2
- CVE-2026-38669wCMS v.1.4 is vulnerable to Cross Site Scripting (XSS) when …6.1
- CVE-2026-3867An improper ownership management vulnerability has been iden…6
- CVE-2026-3868An improper handling of the length parameter inconsistency v…8.7
- CVE-2026-3870A buffer overflow vulnerability in the UPnP AddPortMapping()…6.5
Are you affected by CVE-2026-38640?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST