CVE-2014-3484

9.8 criticalEPSS 2.2%

Critical (9.8) in musl-libc musl. EPSS 2.2% chance of exploitation in the next 30 days.

Multiple stack-based buffer overflows in the __dn_expand function in network/dn_expand.c in musl libc 1.1x before 1.1.2 and 0.9.13 through 1.0.3 allow remote attackers to (1) have unspecified impact via an invalid name length in a DNS response or (2) cause a denial of service (crash) via an invalid name length in a DNS response, related to an infinite loop with no output.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 2.2% chance of exploitation in the next 30 days; higher than 82% of CVEs (scores of 2026-10-31)
CWE: CWE-787
Published: 2020-02-20
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

musl-libc:musl

References

http://git.musl-libc.org/cgit/musl/commit/?id=b3d9e0b94ea73c68ef4169ec82c898ce59a4e30a
http://seclists.org/oss-sec/2014/q2/495
http://git.musl-libc.org/cgit/musl/commit/?id=b3d9e0b94ea73c68ef4169ec82c898ce59a4e30a
http://seclists.org/oss-sec/2014/q2/495

Check your stack JSON