vciy

CVE-1999-0011

INDEX BUILT · 2026-09-20

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Denial of Service vulnerabilities in BIND 4.9 and BIND 8 Releases via CNAME record and zone transfer.

CVE-1999-00113 of 4 sources documented this
36

rank 36 = 1 + 25 + 0 + 10 + 0

rank@v1 · scheduled

Someone is already using it

CISA KEV catalog · public proof-of-concept · FIRST EPSS

EPSS 0.05469  ·  without this subject the record ranks 35

What it costs you if it fires

NVD CVSS base score, then the CNA's own

CVSS 10.0, from NVD  ·  without this subject the record ranks 11

It is getting worse, not staying still

FIRST EPSS series, rescorings and bad loads removed

no persisting rise in 365 days  ·  without this subject the record ranks 36

How much of the world it touches

NVD CPE configurations

20 products in the CPE ranges  ·  without this subject the record ranks 26

Someone else already set the date

CISA KEV remediation due date

no CISA due date  ·  without this subject the record ranks 36

Unaudited dollar value2 of 3 inputs carry a receipt
Exposure$273,000over the next 30 days, if this record is yours
Movement+$109,000on 2025-04-10, the last material move, 1 year, 2 months before this reading
Basisassumeda published average, not your estate

$273,000 = $4.99M incident cost x 1 exposure x 0.05469 likelihood

udv@v1 · unaudited · wrong for you until you say what you run

$4.99M is the cost of a breach that happened, from IBM Cost of a Data Breach Report 2026, global average. It is not the value of any asset of yours. That average already covers breaches of every severity, so scaling it by exposure understates a partial-impact record. That is an assumption, not a measurement. Your own asset value goes in the decision record.

Hindsight · the state

0.05469EPSSNOT IN KEVas of 2026-09-20
Severity10 CRITICALreceipt
Harmtotal loss · unauthenticatedreceipt
Exploitationnone in held sources
Defenseno fix version held
Movementthreshold crossedreceipt
PLATEAU10Minimal movement since 2025-03-30, 442 days at 0.05, as of 2026-06-15. arc-rules@v1

Foresight · where to check next

No weakness class or product neighbourhood is held for this record, so this index cannot name anywhere to check next. That is an absence in the record, not a finding about the software.

Color is a claim, not decoration:the hostile worldthe defenseno signal

Check a version against this record

A deterministic range check against the ranges this record publishes. It tells you where a version sits in the record, not whether your deployment is exploitable. No account needed.

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Harm, if it fires from the vector and the weakness

Written for the ticket you're about to file.

Reachnetwork-reachable · no authentication · low attack complexityreceipt
ImpactComplete confidentiality, integrity and availability lossreceipt
Scored fromCVSS v2.0 · NVD's vectorreceipt
Weakness classCWE-1067 Excessive Execution of Sequential Searches of Data Resourcereceipt
Published consequencesCWE-1067: Availability: Reduce Performance[email protected]

CISA KEV & Federal Remediation Deadline from the record and CISA

The fix, and how long it's been waiting.

Fixed inNo fix version in held sources, as the index stood on 15 Jun 2026.
Patch available sinceNo dated patch-availability record in held sources. The index holds reference URLs without dates and only the current revision of the CVE record, so the day a fix first existed cannot be derived. Only the versions it landed in.

Exploit Status & Known PoCs a ladder, not a score

Current rung: Nothing observed in held sources.

  • RUNG 1Nothing observed in held sources
  • RUNG 2Proof-of-concept published
  • RUNG 3Exploited in the wild · CISA KEV listed
  • RUNG 4Ransomware campaign use known

Authority who says so

CVSS, NVD10 CRITICALreceipt
Exploit probability0.05469 · top 8% of all CVEsreceipt
Blast breadth14 products across 7 vendorsderived
Assigned bymitrereceipt
Recorded changes9 · last 19 Sep 2026derived

Affected & Fixed Versions as published

Named in the CPE rangesIsc bind; Ibm aix; Nec asl ux; and 11 morereceipt
Published rangesdata general dg ux y2k_patchr4.11mu05; data general dg ux y2k_patchr4.12mu03; data general dg ux y2k_patchr4.20mu01; data general dg ux y2k_patchr4.20mu02receipt
Show all 20 published ranges
data general dg ux y2k_patchr4.11mu05
data general dg ux y2k_patchr4.12mu03
data general dg ux y2k_patchr4.20mu01
data general dg ux y2k_patchr4.20mu02
data general dg ux y2k_patchr4.20mu03
isc bind 4.9
isc bind 8
ibm aix 4.1
ibm aix 4.2
ibm aix 4.3
nec asl ux 4800 11
nec asl ux 4800 13
netbsd 1.3
netbsd 1.3.1
redhat linux 4.2
redhat linux 5.0
sco open desktop 3.0
sco openserver 5.0
sco unix 3.2v4
sco unixware 2.1

A rung lights from a row in the index, never from an assessment. "Held sources" is the true scope of the claim: this index reads the CVE record, NVD, CISA KEV, FIRST's EPSS and public proof-of-concept repositories, and it does not observe attacks.

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What it is stated by the CNA

Denial of Service vulnerabilities in BIND 4.9 and BIND 8 Releases via CNAME record and zone transfer. receipt

NVD's analysis a second authority

severity
10 AV:N/AC:L/Au:N/C:C/I:C/A:C
weakness
CWE-1067
affected versions
data general dg ux y2k_patchr4.11mu05; data general dg ux y2k_patchr4.12mu03; data general dg ux y2k_patchr4.20mu01; and 17 more, listed in full below
also scored by
5.4 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

check it yourself ftp: www1.itrc.hp.com sunsolve.sun.com receipt

Dated events

2025-03-17EPSS moved 0.01 to 0.082025-03-29EPSS moved 0.09 to 0.422026-06-15EPSS moved 0.11 to 0.05

Movement the material steps

4 Feb 20220.01626
7 Mar 20230.01026 · scoring model v2023.03.01
17 Mar 20250.07772 · scoring model v2025.03.14
29 Mar 20250.41785 · crossed 0.10
30 Mar 20250.08794 · crossed 0.10
10 Apr 20250.10976 · crossed 0.10
15 Jun 20260.05469 · crossed 0.10 · scoring model v2026.06.15
Show all 9 observations
4 Feb 20220.01626
7 Mar 20230.01026
8 Feb 20240.01152
17 Mar 20250.07772
19 Mar 20250.08794
29 Mar 20250.41785
30 Mar 20250.08794
10 Apr 20250.10976
15 Jun 20260.05469

9 observations held. A highlighted step crossed a promotion threshold. A step marked with a scoring model moved because the instrument was replaced, not because the vulnerability changed. receipt

The full biography

EPSS 0.05469Published1999-09-29Index as of2026-06-15

The record had been public for 26 years, 8 months when this index was last written.

Published 1999-09-29 receipt · Index as of 2026-06-15 derived

Siblings and hubs

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What usually comes next

Everything above needs no account. What is below is work: assembling it, scoping it to your estate, watching it, and handing it to someone else.

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