CVE-2015-1779

high
Published 2016-01-12 ยท Modified 2026-05-06
CVSS v3
8.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CVSS v4 NEW
โ€”
not yet in upstream
VIR risk
8.6

Description

The VNC websocket frame decoder in QEMU allows remote attackers to cause a denial of service (memory and CPU consumption) via a large (1) websocket payload or (2) HTTP headers section.

Predictions

Exploit likelihood
91%
Patch ETA
โ€”

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ€” if you've already worked around this in production โ€” publish your fix to the community-verified tier.

โœš Propose a mitigation on Community โ†’ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

fedora Fedora Affected 2 releases
VersionStatusFixed in
22 Affected โ€”
21 Affected โ€”
redhat Red Hat Affected 8 releases
VersionStatusFixed in
7.7 Affected โ€”
7.6 Affected โ€”
7.5 Affected โ€”
7.4 Affected โ€”
7.3 Affected โ€”
7.2 Affected โ€”
7.1 Affected โ€”
7.0 Affected โ€”
suse SUSE Affected 1 release
VersionStatusFixed in
โ€” Affected โ€”
ubuntu Ubuntu Affected 4 releases
VersionStatusFixed in
15.04 Affected โ€”
14.10 Affected โ€”
14.04 Affected โ€”
12.04 Affected โ€”
debian Debian Mixed 7 releases
VersionStatusFixed in
trixie Fixed 1:2.3+dfsg-1
sid Fixed 1:2.3+dfsg-1
forky Fixed 1:2.3+dfsg-1
bullseye Fixed 1:2.3+dfsg-1
bookworm Fixed 1:2.3+dfsg-1
8.0 Affected โ€”
7.0 Affected โ€”

Application impact

VendorProductVersionsFixed
qemuqemu{"endIncluding":"2.2.1"}
qemuqemu2.3.0
redhat redhatvirtualization3.0

References

CWEs

CWE-400

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.