VulnerabilityDeferred
CVE-2026-38641
An issue in the DSO::mmap_and_copy function of relibc commit 61f42d allows attackers to cause a Denial of Service (DoS) via loading a crafted shared library.
HIGH 7.5EPSS 0.63%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.63%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An issue in the DSO::mmap_and_copy function of relibc commit 61f42d allows attackers to cause a Denial of Service (DoS) via loading a crafted shared library.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.63% probability · 48th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-404
- Source
- cve@mitre.org
References
- https://github.com/Marsman1996/pocs/tree/master/redox/CVE-2026-38641
- https://gitlab.redox-os.org/redox-os/relibc/-/issues/263
- https://gitlab.redox-os.org/redox-os/relibc/-/merge_requests/1046
- https://gitlab.redox-os.org/redox-os/relibc/-/work_items/263
- https://gitlab.redox-os.org/redox-os/relibc/-/work_items/263
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.