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CVE-2026-49759: Stack buffer overflow in SCTP error cause parsing in inet_drv allows remote VM crash

highCVSS 8.2CVE-2026-49759

CSIRTS triage

vendor: Erlang/OTPproduct: Erlang/OTPMemory corruption
What
A stack buffer overflow in SCTP error cause parsing can lead to a remote VM crash.
Who is affected
Deployments of Erlang/OTP that utilize SCTP.
Urgency
Remediation is urgent due to the high severity and potential for remote crashes.
Action
Update to the latest version of Erlang/OTP to mitigate this vulnerability.

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Details

Source
Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity
high — CVSS 8.2
Published
2026-06-09
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49759

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.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-49759coverage & exploitation statusNVD · CVE.org

Recent advisories for Stack buffer overflow

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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