How severe is CVE-1999-1588?

CVE-1999-1588 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-1999-1588 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-1588?

CVE-1999-1588 primarily affects Sun Solaris. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-1999-1588?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-1999-1588 published?

CVE-1999-1588 was published on 1999-12-31 and last updated on 2026-06-16.

CVE-1999-1588

CVE-1999-1588 is a critical-severity vulnerability in Sun Solaris with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 10% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Sun Solaris
Published: 1999-12-31
Last modified: 2026-06-16

Description

Buffer overflow in nlps_server in Sun Solaris x86 2.4, 2.5, and 2.5.1 allows remote attackers to execute arbitrary code as root via a long string beginning with "NLPS:002:002:" to the listen (aka System V listener) port, TCP port 2766.

Frequently asked questions

What is CVE-1999-1588?: Buffer overflow in nlps_server in Sun Solaris x86 2.4, 2.5, and 2.5.1 allows remote attackers to execute arbitrary code as root via a long string beginning with "NLPS:002:002:" to the listen (aka System V listener) port, TCP port 2766.
How severe is CVE-1999-1588?: CVE-1999-1588 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-1999-1588 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-1588?: CVE-1999-1588 primarily affects Sun Solaris. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-1999-1588?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-1999-1588 published?: CVE-1999-1588 was published on 1999-12-31 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:o:sun:solaris:2.4:*:x86:*:*:*:*:*
cpe:2.3:o:sun:solaris:2.5:*:x86:*:*:*:*:*
cpe:2.3:o:sun:solaris:2.5.1:*:x86:*:*:*:*:*

More vulnerabilities in Sun Solaris

CVE-2009-2296 — Critical (CVSS 10.0): The NFSv4 server kernel module in Sun Solaris 10, and OpenSolaris before snv_119, does not properly implement the…
CVE-2008-3870 — Critical (CVSS 10.0): Integer overflow in sadmind in Sun Solaris 8 and 9 allows remote attackers to execute arbitrary code via a crafted RPC…
CVE-2008-3869 — Critical (CVSS 10.0): Heap-based buffer overflow in sadmind in Sun Solaris 8 and 9 allows remote attackers to execute arbitrary code via a…
CVE-2008-5010 — Critical (CVSS 10.0): in.dhcpd in the DHCP implementation in Sun Solaris 8 through 10, and OpenSolaris before snv_103, allows remote…
CVE-2008-4556 — Critical (CVSS 10.0): Stack-based buffer overflow in the adm_build_path function in sadmind in Sun Solstice AdminSuite on Solaris 8 and 9…
CVE-2007-3093 — Critical (CVSS 10.0): Unspecified vulnerability in the logging mechanism in Solaris Management Console (SMC) on Sun Solaris 8 through 10…

All CVEs affecting Sun Solaris →

Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities

CVE-2026-2778 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component. This vulnerability was fixed in…
CVE-2026-2776 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software. This vulnerability…
CVE-2025-1866 — Critical (CVSS 10.0): Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in warmcat libwebsockets allows…
CVE-2022-27625 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
CVE-2022-27624 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
CVE-2020-11896 — Critical (CVSS 10.0): The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.

Browse all CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities →