How severe is CVE-1999-0833?

CVE-1999-0833 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-1999-0833 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-0833?

CVE-1999-0833 primarily affects Isc Bind. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-1999-0833?

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

When was CVE-1999-0833 published?

CVE-1999-0833 was published on 1999-11-10 and last updated on 2026-06-16.

CVE-1999-0833

CVE-1999-0833 is a high-severity vulnerability in Isc Bind with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Isc Bind
Published: 1999-11-10
Last modified: 2026-06-16

Description

Buffer overflow in BIND 8.2 via NXT records.

Frequently asked questions

What is CVE-1999-0833?: Buffer overflow in BIND 8.2 via NXT records.
How severe is CVE-1999-0833?: CVE-1999-0833 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-1999-0833 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-0833?: CVE-1999-0833 primarily affects Isc Bind. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-1999-0833?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-1999-0833 published?: CVE-1999-0833 was published on 1999-11-10 and last updated on 2026-06-16.

References

Affected products (4)

cpe:2.3:a:isc:bind:8.2:*:*:*:*:*:*:*
cpe:2.3:a:isc:bind:8.2.1:*:*:*:*:*:*:*
cpe:2.3:o:sun:solaris:7.0:*:x86:*:*:*:*:*
cpe:2.3:o:sun:sunos:5.7:*:*:*:*:*:*:*

More vulnerabilities in Isc Bind

CVE-2008-0122 — Critical (CVSS 10.0): Off-by-one error in the inet_network function in libbind in ISC BIND 9.4.2 and earlier, as used in libc in FreeBSD 6.2…
CVE-2001-0011 — Critical (CVSS 10.0): Buffer overflow in nslookupComplain function in BIND 4 allows remote attackers to gain root privileges.
CVE-2001-0013 — Critical (CVSS 10.0): Format string vulnerability in nslookupComplain function in BIND 4 allows remote attackers to gain root privileges.
CVE-2001-0010 — Critical (CVSS 10.0): Buffer overflow in transaction signature (TSIG) handling code in BIND 8 allows remote attackers to gain root privileges.
CVE-2000-1029 — Critical (CVSS 10.0): Buffer overflow in host command allows a remote attacker to execute arbitrary commands via a long response to an AXFR…
CVE-1999-0837 — Critical (CVSS 10.0): Denial of service in BIND by improperly closing TCP sessions via so_linger.

All CVEs affecting Isc Bind →