CVE-2024-5991: Buffer overread in domain name matching

highCVSS 7.5CVE-2024-5991

CSIRTS triage

vendor: BIND product: BIND Memory corruption

What: A buffer overread flaw exists in domain name matching logic.
Who is affected: BIND resolvers performing domain name matching on untrusted input are affected.
Urgency: High priority; CVSS 7.5 indicates significant impact potential and memory corruption risks.
Action: Apply BIND security updates addressing CVE-2024-5991 as soon as available.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity: high — CVSS 7.5
Published: 2026-08-06
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-5991

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2024-59910.56% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 44% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2024-5991	coverage & exploitation status	NVD · CVE.org

Recent advisories for Buffer overread in

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