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CVE-2026-116540high8.2

netty-tcnative 2.0.66.Final before 2.0.84.Final Use-After-Free in Session Ticket Callback

Impact

netty-tcnative 2.0.66.Final before 2.0.84.Final has a use-after-free vulnerability in ssl_tlsext_ticket_key_cb. Remote clients may crash or corrupt ticket processing during TLS handshakes.

Summarized by @cf/meta/llama-3.3-70b-instruct-fp8-fast. Verify details against the original sources.

Affected packages

This source has no supported package-version data for matching. You can read the advisory here, but this record alone cannot power a dependency check.

Affected products

Vendor version evidence. Product records are separate from automatic dependency matching.

netty · VulnCheck

netty-tcnative

1 range
VulnCheck version evidence

Package identity

pkg:maven/io.netty/netty-tcnativeExplore io.netty:netty-tcnative →

Identity supplied by VulnCheck. Version matching requires compatible range evidence.

Compare with this publisher’s ranges. This does not inspect your installation.

affected

2.0.66.Final → before 2.0.84.Final

custom versions

unaffected

unknown

Other versions: unaffected

Original source description

netty-tcnative 2.0.66.Final before 2.0.84.Final built against OpenSSL 3.x contains a use-after-free vulnerability in ssl_tlsext_ticket_key_cb during session ticket key rotation. Remote clients performing TLS handshakes while setSessionTicketKeys0 frees the shared key array cause OpenSSL to read freed HMAC keys, crashing or corrupting ticket processing.

Inside the record

Evidence available

Package identity
Version evidence
Remediation guidance · not supplied
Weakness classification
Additional publishers

Describes the evidence in this view, not whether the product is safe.

Original records

CVE-2026-116540

View the latest unmodified CVE JSON from the official source. It may be newer than this imported page.

cve.new JSON →

Underlying weaknesses

The source’s classification of what caused the vulnerability.

CWE-416 ↗

Use After Free

VulnCheck

Related →
Contributing organizations · 2
VulnCheck

Assigning organization

2026-10-26
CISA-ADP

Additional data publisher

2026-10-26

What changed

Follow changes
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Large field values are marked as truncated previews. Original source snapshots remain retained.

References

6 sources
github.com/netty/netty-tcnative/security/advisories/GHSA-mmc8-vg2v-fvvw
vendor-advisoryVulnCheck
github.com/netty/netty-tcnative/commit/59662a8b07a9a7623ae1bc472f5751f31c81a118
patchVulnCheck
github.com/netty/netty-tcnative/blob/netty-tcnative-parent-2.0.83.Final/openssl-dynamic/src/main/c/sslcontext.c
technical-descriptionVulnCheck
github.com/netty/netty-tcnative/releases/tag/netty-tcnative-parent-2.0.84.Final
release-notesVulnCheck
github.com/netty/netty-tcnative
productVulnCheck
www.vulncheck.com/advisories/netty-tcnative-2.0.66-final-before-2.0.84-final-use-after-free-in-session-ticket-callback
third-party-advisoryVulnCheck