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RedHat Linux
RedHat Linux
added 2026/08/03 4:15 p.m.13 views

net: golang: Go net package: Denial of Service via long CNAME response in LookupCNAME

A flaw was found in the net package of Go golang, specifically when using the LookupCNAME function with the cgo DNS resolver. A remote attacker could exploit this by providing a very long Canonical Name CNAME response. This can trigger a double-free of C memory, leading to a crash and a Denial of...

7.5CVSS6.9AI score0.00813EPSS
SaveExploits0References8
RedHat Linux
RedHat Linux
added 2026/07/20 7:32 p.m.16 views

net: golang: Go net package: Denial of Service via long CNAME response in LookupCNAME

A flaw was found in the net package of Go golang, specifically when using the LookupCNAME function with the cgo DNS resolver. A remote attacker could exploit this by providing a very long Canonical Name CNAME response. This can trigger a double-free of C memory, leading to a crash and a Denial of...

7.5CVSS7.2AI score0.00813EPSS
SaveExploits0References8
RedHat Linux
RedHat Linux
added 2026/07/15 9:55 a.m.17 views

net: golang: Go net package: Denial of Service via long CNAME response in LookupCNAME

A flaw was found in the net package of Go golang, specifically when using the LookupCNAME function with the cgo DNS resolver. A remote attacker could exploit this by providing a very long Canonical Name CNAME response. This can trigger a double-free of C memory, leading to a crash and a Denial of...

7.5CVSS6.1AI score0.00813EPSS
SaveExploits0References8
RedHat Linux
RedHat Linux
added 2026/07/14 2:58 p.m.33 views

net: golang: Go net package: Denial of Service via long CNAME response in LookupCNAME

A flaw was found in the net package of Go golang, specifically when using the LookupCNAME function with the cgo DNS resolver. A remote attacker could exploit this by providing a very long Canonical Name CNAME response. This can trigger a double-free of C memory, leading to a crash and a Denial of...

7.5CVSS6.9AI score0.00813EPSS
SaveExploits0References8
RedHat Linux
RedHat Linux
added 2026/07/08 4:32 p.m.16 views

net: golang: Go net package: Denial of Service via long CNAME response in LookupCNAME

A flaw was found in the net package of Go golang, specifically when using the LookupCNAME function with the cgo DNS resolver. A remote attacker could exploit this by providing a very long Canonical Name CNAME response. This can trigger a double-free of C memory, leading to a crash and a Denial of...

7.5CVSS7.1AI score0.00813EPSS
SaveExploits0References8
OSV
OSV
added 2026/05/11 5:44 a.m.20 views

BIT-GOLANG-2026-33811 Crash when handling long CNAME response in net

When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash...

7.5CVSS5.8AI score0.00813EPSS
SaveExploits0References103
EUVD
EUVD
added 2026/05/07 9:30 p.m.28 views

EUVD-2026-28419

When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash...

5.8AI score0.00813EPSS
SaveExploits0References5
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