CVE-2026-3593 (GCVE-0-2026-3593)
Vulnerability from cvelistv5
Published
2026-05-20 13:09
Modified
2026-08-24 12:06
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-416 - Use After Free
Summary
A use-after-free vulnerability exists within the DNS-over-HTTPS implementation.
This issue affects BIND 9 versions 9.20.0 through 9.20.22, 9.21.0 through 9.21.21, and 9.20.9-S1 through 9.20.22-S1.
BIND 9 versions 9.18.0 through 9.18.48 and 9.18.11-S1 through 9.18.48-S1 are NOT affected.
References
| URL | Tags | |
|---|---|---|
Impacted products
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"cveMetadata": "{\"cveId\": \"CVE-2026-3593\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-08-24T12:06:52.080Z\", \"dateReserved\": \"2026-03-05T12:57:16.981Z\", \"assignerOrgId\": \"404fd4d2-a609-4245-b543-2c944a302a22\", \"datePublished\": \"2026-05-20T13:09:47.178Z\", \"assignerShortName\": \"isc\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
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}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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