CVE-2026-111137

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Source
https://cve.org/CVERecord?id=CVE-2026-111137
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-111137.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-111137
Downstream
Published
2026-10-15T18:57:30Z
Modified
2026-10-17T02:48:26Z
Severity
  • 6.9 (Medium) CVSS_V4 - CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N CVSS Calculator
Summary
libsmi through 0.5.0 Out-of-Bounds Write via smiValueAsString OCTET STRING DEFVAL
Details

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.

Database specific 
{
    "cna_assigner":  "VulnCheck",
    "cwe_ids":  [
        "CWE-787"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111137.json"
}
References

Affected packages

Git / github.com/amartin755/libsmi

Affected ranges

Type
GIT
Repo
https://github.com/amartin755/libsmi
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
c58307210fe995ec419db976eb234aebc71a9216
Database specific
Show details 
{
    "extracted_events":  [
        {
            "introduced":  "0"
        },
        {
            "last_affected":  "0.5.0"
        },
        {
            "fixed":  "0.5.0"
        }
    ],
    "source":  [
        "AFFECTED_FIELD",
        "DESCRIPTION"
    ]
}

Affected versions

v0.*
v0.4.8

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-111137.json"