CVE-2018-5744

A specially crafted packet can cause named to leak memory

HIGH

7.5

CVSS Score

Published: October 9, 2019 at 02:17 PM UTC

Updated: June 17, 2026 at 02:00 AM UTC

1 product affected across 1 vendorBIND

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Severity

HIGH7.5

Exploit prediction

EPSS 3%

Description

A failure to free memory can occur when processing messages having a specific combination of EDNS options. Versions affected are: BIND 9.10.7 -> 9.10.8-P1, 9.11.3 -> 9.11.5-P1, 9.12.0 -> 9.12.3-P1, and versions 9.10.7-S1 -> 9.11.5-S3 of BIND 9 Supported Preview Edition. Versions 9.13.0 -> 9.13.6 of the 9.13 development branch are also affected.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

BIND · Isc

95%

9.10.7 ≤ v < 9.10.89.11.3 ≤ v < 9.11.59.12.0 ≤ v < 9.12.39.13.0 ≤ v < 9.13.69.10.7 s1 9.10.8 9.10.8 p1 9.10.8 rc1 9.10.8 rc2 9.11.5 9.11.5 p1 9.11.5 rc1 9.11.5 s3 9.12.3 9.12.3 p1 9.12.3 rc1 BIND 9.10.7 -> 9.10.8-P1, 9.11.3 -> 9.11.5-P1, 9.12.0 -> 9.12.3-P1, and versions 9.10.7-S1 -> 9.11.5-S3 of BIND 9 Supported Preview Edition. Versions 9.13.0 -> 9.13.6 of the 9.13 development branch are also affected.

Affected range stops below 9.10.8, so it looks safe — our inference, not a vendor statement

Affected range stops below 9.11.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 9.12.3, so it looks safe — our inference, not a vendor statement

Affected range stops below 9.13.6, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://kb.isc.org/docs/cve-2018-5744

References (1)

x_refsource_CONFIRMVendor Advisory

Source: [email protected]

https://kb.isc.org/docs/cve-2018-5744

CVSS

7.5HIGH[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: NONE
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-772

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