02 Records
FEED: ACQUIRING
01 RecordSTATE: PUBLISHED
02 Description
CNA: iscA race condition when discarding malformed packets can cause BIND to exit with an assertion failure
03 Exploitation and scoring
SRC: CISA, FIRST, NVD, RED HAT- 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
- 3.30% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Ranks above 87.4% of scored records. A rank, not a probability.
- NVD base score
- 5.9 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Important. 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.
SCHEMA: 5.1
- Published
- 2019-10-09 14:17Z6 YR AGO
- Last updated
- 2024-09-17 01:56Z1 YR AGO
- Reserved
- 2019-01-16
- Assigning CNA
- isc
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 5.9)
- CNA CVSS vector
- CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')Class
- CWE-617Reachable AssertionBase
- Data version
- 5.1
- Document digest
- 42422c45418b5ceedcac08d66cfdf346c54a959ab9f1142fc84214a9eed7f51d
05 Affected products
PAIRS: 1VendorProductVersionsPlatforms
ISCBIND 9BIND 9.11.0 -> 9.11.7, 9.12.0 -> 9.12.4-P1, 9.14.0 -> 9.14.2. Also all releases of the BIND 9.13 development branch and version 9.15.0 of the BIND 9.15 development branch and BIND Supported Preview Edition versions 9.11.3-S1 -> 9.11.7-S1.— SRC: CNA
Upgrade to the patched release most closely related to your current version of BIND:
BIND 9.11.8
BIND 9.12.4-P2
BIND 9.14.3
BIND 9.15.1
BIND Supported Preview Edition is a special feature preview branch of BIND provided to eligible ISC support customers.
BIND 9.11.8-S1