CVE-2026-31812

EUVD-2026-10908
Quinn is a pure-Rust, async-compatible implementation of the IETF QUIC transport protocol. Prior to 0.11.14, a remote, unauthenticated attacker can trigger a denial of service in applications using vulnerable quinn versions by sending a crafted QUIC Initial packet containing malformed quic_transport_parameters. In quinn-proto parsing logic, attacker-controlled varints are decoded with unwrap(), so truncated encodings cause Err(UnexpectedEnd) and panic. This is reachable over the network with a single packet and no prior trust or authentication. This vulnerability is fixed in 0.11.14.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: 39%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
Red HatLogging Subsystem for Red Hat OpenShift 6.4
1780052069 ≤
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< *
ADP
Red HatRed Hat Ansible Automation Platform 2.6
1777398576 ≤
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< *
ADP
Red HatRed Hat OpenShift AI 3.3
1778596806 ≤
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< *
ADP
Red HatRed Hat Trusted Artifact Signer 1.3
1773307309 ≤
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< *
ADP
Red HatRed Hat Trusted Artifact Signer 1.3
1773307309 ≤
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< *
ADP
Debian logo
Debian Releases
Debian Product
Codename
rust-quinn-proto
bookworm
no-dsa
forky
0.11.16-1
fixed
sid
0.11.16-1
fixed
trixie
no-dsa
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
cargo
suse enterprise desktop 15 SP7
1.94.0-150500.27.65.1
fixed
suse enterprise sap 15 SP5
1.94.0-150500.27.65.1
fixed
suse enterprise sap 15 SP6
1.94.0-150500.27.65.1
fixed
suse enterprise sap 15 SP7
1.94.0-150500.27.65.1
fixed
suse enterprise server 15 SP4
1.94.0-150400.24.71.1
fixed
suse enterprise server 15 SP5
1.94.0-150500.27.65.1
fixed
suse enterprise server 15 SP6
1.94.0-150500.27.65.1
fixed
suse enterprise server 15 SP7
1.94.0-150500.27.65.1
fixed
rust
suse enterprise desktop 15 SP7
1.94.0-150500.27.65.1
fixed
suse enterprise sap 15 SP5
1.94.0-150500.27.65.1
fixed
suse enterprise sap 15 SP6
1.94.0-150500.27.65.1
fixed
suse enterprise sap 15 SP7
1.94.0-150500.27.65.1
fixed
suse enterprise server 15 SP4
1.94.0-150400.24.71.1
fixed
suse enterprise server 15 SP5
1.94.0-150500.27.65.1
fixed
suse enterprise server 15 SP6
1.94.0-150500.27.65.1
fixed
suse enterprise server 15 SP7
1.94.0-150500.27.65.1
fixed