CVE-2025-40780Patch

LOWCVSS 8.6 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

Patch affected systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

In specific circumstances, due to a weakness in the Pseudo Random Number Generator (PRNG) that is used, it is possible for an attacker to predict the source port and query ID that BIND will use. This issue affects BIND 9 versions 9.16.0 through 9.16.50, 9.18.0 through 9.18.39, 9.20.0 through 9.20.13, 9.21.0 through 9.21.12, 9.16.8-S1 through 9.16.50-S1, 9.18.11-S1 through 9.18.39-S1, and 9.20.9-S1 through 9.20.13-S1.

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0.5/ 10 priority

Sources & remediation

Other references

Weakness type (CWE)

CWE-341

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Threat summary

Patch or workaround signal is available
1 mentions across 1 observed day

What's happening

Patch or workaround mentioned in 1 signal
1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

Patch

1100.0%

Full discourse1 post

transilienceai@transilienceai234d
Patch
@OrangeMorishita Unbound: Beyond 1.24.1. Distributions like Buildroot, Alibaba Cloud Linux, and Slackware backported patches. Infoblox and others addressed related BIND issues (e.g., CVE-2025-8677, CVE-2025-40780). #Cybersecurity #Updates
Post summary
The tweet notes that several distributions and vendors have applied backported patches for Unbound and addressed related BIND CVEs, but it provides no further technical or exploit details.
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