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Medium severity5.3NVD Advisory· Published Sep 16, 2026

CVE-2026-75029

CVE-2026-75029

Description

In a query response, an attacker may send named multiple copies of a record that should only exist once (such as an SOA record). If the RDATA is the same on all the copies, the record is appended to the in-memory RDATA set, which can cause increased memory usage of the negative cache and possibly lead to other memory attack vectors. This issue affects BIND 9 versions 9.11.0 through 9.18.50, 9.20.0 through 9.20.27, 9.21.0 through 9.21.25, 9.11.3-S1 through 9.18.50-S1, and 9.20.9-S1 through 9.20.27-S1.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

2
  • Isc/Bindinferred2 versions
    >=9.11.0,<9.18.51,>=9.20.0,<9.20.28,>=9.21.0,<9.21.26+ 1 more
    • (no CPE)range: >=9.11.0,<9.18.51,>=9.20.0,<9.20.28,>=9.21.0,<9.21.26
    • (no CPE)range: 9.11.0 through 9.18.50, 9.20.0 through 9.20.27, 9.21.0 through 9.21.25, 9.11.3-S1 through 9.18.50-S1, and 9.20.9-S1 through 9.20.27-S1

Patches

Vulnerability mechanics

References

3

News mentions

0

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