CVE Explorer

CVE-2026-32941

Sliver is a command and control framework that uses a custom Wireguard netstack. Versions 1.7.3 and below contain a Remote OOM (Out-of-Memory) vulnerability in the Sliver C2 server's mTLS and WireGuard C2 transport layer. The socketReadEnvelope and socketWGReadEnvelope functions trust an attacker-controlled 4-byte length prefix to allocate memory, with ServerMaxMessageSize allowing single allocations of up to ~2 GiB. A compromised implant or an attacker with valid credentials can exploit this by

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:8f5f2e55cf838ebfe41e1a9cedcb1d2f45185af042c5048da984eba3e5ad73dd

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-770","description":"CWE-770: Allocation of Resources Without Limits or Throttling","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:5ab71c9010ed106f2799051220cebc88261f1e621fa7ac5bb18bb4e5727afeb9 · sha256:fb28d658effdb522… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-789","description":"CWE-789: Memory Allocation with Excessive Size Value","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:5ab71c9010ed106f2799051220cebc88261f1e621fa7ac5bb18bb4e5727afeb9 · sha256:fb28d658effdb522… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion

{"product":"sliver","vendor":"BishopFox","versions":[{"status":"affected","version":"<= 1.7.3"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:5ab71c9010ed106f2799051220cebc88261f1e621fa7ac5bb18bb4e5727afeb9 · sha256:fb28d658effdb522… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":5.7,"baseSeverity":"MEDIUM","privilegesRequired":"LOW","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:5ab71c9010ed106f2799051220cebc88261f1e621fa7ac5bb18bb4e5727afeb9 · sha256:fb28d658effdb522… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

2 source assertions

{"cweId":"CWE-770","description":"CWE-770: Allocation of Resources Without Limits or Throttling","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:5ab71c9010ed106f2799051220cebc88261f1e621fa7ac5bb18bb4e5727afeb9 · sha256:fb28d658effdb522… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-789","description":"CWE-789: Memory Allocation with Excessive Size Value","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:5ab71c9010ed106f2799051220cebc88261f1e621fa7ac5bb18bb4e5727afeb9 · sha256:fb28d658effdb522… · /containers/cna/problemTypes/1/descriptions/0

Source references

1 source assertion

{"name":"https://github.com/BishopFox/sliver/security/advisories/GHSA-97vp-pwqj-46qc","tags":["x_refsource_CONFIRM"],"url":"https://github.com/BishopFox/sliver/security/advisories/GHSA-97vp-pwqj-46qc"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:5ab71c9010ed106f2799051220cebc88261f1e621fa7ac5bb18bb4e5727afeb9 · sha256:fb28d658effdb522… · /containers/cna/references/0

Attribution and limitations

CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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