01 Record

CVE-2020-8619

A buffer boundary check assertion in rdataset.c can fail incorrectly during zone transfer

MediumPUBLISHEDCNA: isc

CNA base score4.9 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

View raw JSON

02 Description

A buffer boundary check assertion in rdataset.c can fail incorrectly during zone transfer

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 2.10% probability of exploitation activity in the next 30 days.
EPSS percentile: Ranks above 80.1% of scored records. A rank, not a probability.
NVD base score: 4.9 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
NVD analysis status: Modified. NVD last modified this record on 2026-09-01.
Red Hat severity: Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2020-06-17 21:20Z6 YR AGO

Last updated

2024-09-17 03:28Z1 YR AGO

Reserved

2020-02-05

Assigning CNA

isc

Record state

PUBLISHED

Severity

Medium (CVSS 4.9)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Weaknesses

CWE-404Improper Resource Shutdown or ReleaseClass
CWE-617Reachable AssertionBase

Data version

5.1

Document digest

7a07e47673874edb2f0cd80a5380b44226b78fd2c38c322ec9b025237a93e389

05 Affected products

VendorProductVersionsPlatforms

ISCBIND99.11.14 through versions before 9.11.20, 9.16.0 through versions before 9.16.4, 9.11.14-S1 through versions before 9.11.20-S1, 9.14.9 through versions 9.14.12—

06 References

kb.isc.orghttps://kb.isc.org/docs/cve-2020-8619x_refsource_CONFIRM
lists.fedoraproject.orgFEDORA-2020-54a91444ffhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CNFTTYJ5JJJJ6QG3AHXJGDIIEYMDFWFW/vendor-advisoryx_refsource_FEDORA
security.netapp.comhttps://security.netapp.com/advisory/ntap-20200625-0003/x_refsource_CONFIRM
lists.fedoraproject.orgFEDORA-2020-5f8da4b260https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EIOXMJX4N3LBKC65OXNBE52W4GAS7QEX/vendor-advisoryx_refsource_FEDORA
usn.ubuntu.comUSN-4399-1https://usn.ubuntu.com/4399-1/vendor-advisoryx_refsource_UBUNTU
www.debian.orgDSA-4752https://www.debian.org/security/2020/dsa-4752vendor-advisoryx_refsource_DEBIAN
lists.opensuse.orgopenSUSE-SU-2020:1699http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.htmlvendor-advisoryx_refsource_SUSE
lists.opensuse.orgopenSUSE-SU-2020:1701http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.htmlvendor-advisoryx_refsource_SUSE

07 Remediation

Upgrade to the patched release most closely related to your current version of BIND: BIND 9.11.20 BIND 9.16.4 BIND Supported Preview Edition is a special feature preview branch of BIND provided to eligible ISC support customers. BIND 9.11.20-S1

01 Record index

CVE-2020-8619

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References

07 Remediation

02 Records

CVE-2020-8619

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References

07 Remediation