CVE-2026-38641
HighCVSS 7.5Exploitation Probability (EPSS)
Low risk6th percentile - higher than 6% of all known CVEs
Summary
A vulnerability in the DSO::mmap_and_copy function of relibc (commit 61f42d) allows attackers to cause a Denial of Service (DoS) by loading a crafted shared library.
Risk Assessment
An attacker can remotely or locally crash the system or application using relibc, leading to service disruption.
Recommendation
Update relibc to a patched version or apply a workaround by verifying the integrity of loaded shared libraries.
Other vulnerabilities in relibc
See all- CVE-2026-38638High
An issue in the with_argv function (/unistd/mod.rs) of relibc commit 61f42d allows attackers to cause a Denial of Service (DoS) via a crafted input.
- CVE-2026-38636High
An issue in the seekdir() function (/dirent/mod.rs) of relibc commit 61f42d allows attackers to cause a Denial of Service (DoS) via a crafted input.
- CVE-2026-38639High
A vulnerability in the parse_month function (/time/strptime.rs) of relibc (commit ab6a2e) allows an attacker to cause a Denial of Service (DoS) by parsing a crafted input.
Original NVD description (English source)
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.

