MEDIUMCVSS v3.1 6.1Vulnerability
CVE-2026-111137
libsmi through 0.5.0 contains an out-of-bounds write vulnerability in smiValueAsString() in lib/smi.c that allows attackers to overflow a fixed 1024-byte static buffer through hex rendering of OCTET STRING values. Attackers can supply a crafted MIB with an OCTET STRING DEFVAL of 512 or more octets and a leading 0x00 byte to corrupt adjacent library globals and crash smidump or other consumers.
Properties
- Severity
- MEDIUM
- Nvd fetched at
- 2026-10-20T21:14:08.448323+00:00
- Epss score
- 0.0013
- Cvss severity
- MEDIUM
- Cvss score
- 6.1
- Retrieved at
- 2026-10-21T01:24:48+00:00
- Last source
- FIRST EPSS
- Score
- 6.1
- Cvss version
- 3.1
- Cve id
- CVE-2026-111137
- Cvss vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
- First seen by Signal
- 2026-10-18T13:39:03+00:00
- Vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
- Published at
- 2026-10-15T19:17:27.690
- Last modified
- 2026-10-16T18:25:45.343
- Epss percentile
- 0.02336
Related Entities (1)
HAS_WEAKNESS (1)
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