CVE-1999-1518

Freebsd vulnerability

CVSS

5.0

EPSS

3.1%

EPSS pct

86th

Exploited

No known

Operating systems with shared memory implementations based on BSD 4.4 code allow a user to conduct a denial of service and bypass memory limits (e.g., as specified with rlimits) using mmap or shmget to allocate memory and cause page faults.

Affected vendor

Freebsd

Affected product

Freebsd

CVSS vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Published

1999-07-15

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to availability.

Its EPSS score of 3.1% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 86% of all scored CVEs.

Check your external exposure to CVE-1999-1518

Confirm whether Freebsd Freebsd is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-1999-1518.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-1999-1518

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-1999-1518 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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