DEBIAN-CVE-2025-11234

Source
https://security-tracker.debian.org/tracker/CVE-2025-11234
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2025-11234.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2025-11234
Upstream
Published
2025-10-03T11:15:30Z
Modified
2026-09-18T08:47:35Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

A flaw was found in QEMU. If the QIOChannelWebsock object is freed while it is waiting to complete a handshake, a GSource is leaked. This can lead to the callback firing later on and triggering a use-after-free in the use of the channel. This can be abused by a malicious client with network access to the VNC WebSocket port to cause a denial of service during the WebSocket handshake prior to the VNC client authentication.

References

Affected packages

Debian:12 / qemu

Package

Name
qemu
Purl
pkg:deb/debian/qemu?arch=source&distro=bookworm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1:7.2+dfsg-7+deb12u18

Affected versions

1:7.*
1:7.2+dfsg-7
1:7.2+dfsg-7+deb12u1
1:7.2+dfsg-7+deb12u2~bpo11+1
1:7.2+dfsg-7+deb12u2
1:7.2+dfsg-7+deb12u3
1:7.2+dfsg-7+deb12u4
1:7.2+dfsg-7+deb12u5
1:7.2+dfsg-7+deb12u6
1:7.2+dfsg-7+deb12u7
1:7.2+dfsg-7+deb12u8
1:7.2+dfsg-7+deb12u9
1:7.2+dfsg-7+deb12u10
1:7.2+dfsg-7+deb12u11
1:7.2+dfsg-7+deb12u12
1:7.2+dfsg-7+deb12u13
1:7.2+dfsg-7+deb12u14
1:7.2+dfsg-7+deb12u15
1:7.2+dfsg-7+deb12u16
1:7.2+dfsg-7+deb12u17

Ecosystem specific

{
    "urgency":  "not yet assigned"
}

Database specific

source
"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2025-11234.json"

Debian:13 / qemu

Package

Name
qemu
Purl
pkg:deb/debian/qemu?arch=source&distro=trixie

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1:10.0.7+ds-0+deb13u1

Affected versions

1:10.*
1:10.0.2+ds-2
1:10.0.2+ds-2+deb13u1~bpo12+1
1:10.0.2+ds-2+deb13u1
1:10.0.3+ds-0+deb13u1
1:10.0.3+ds-1
1:10.0.3+ds-2
1:10.0.3+ds-3
1:10.0.3+ds-4
1:10.0.6+ds-0+deb13u1
1:10.0.6+ds-0+deb13u2

Ecosystem specific

{
    "urgency":  "not yet assigned"
}

Database specific

source
"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2025-11234.json"

Debian:14 / qemu

Package

Name
qemu
Purl
pkg:deb/debian/qemu?arch=source&distro=forky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1:10.1.3+ds-1

Affected versions

1:10.*
1:10.0.2+ds-2
1:10.0.3+ds-1
1:10.0.3+ds-2
1:10.0.3+ds-3
1:10.0.3+ds-4
1:10.1.0~rc0+ds-1
1:10.1.0~rc0+ds-2
1:10.1.0~rc0+ds-3
1:10.1.0~rc0+ds-4
1:10.1.0~rc1+ds-1
1:10.1.0~rc1+ds-1a
1:10.1.0~rc1+ds-1b
1:10.1.0~rc1+ds-2
1:10.1.0~rc1+ds-3
1:10.1.0~rc2+ds-1
1:10.1.0~rc3+ds-1
1:10.1.0~rc3+ds-2
1:10.1.0+ds-1
1:10.1.0+ds-2
1:10.1.0+ds-3
1:10.1.0+ds-4
1:10.1.0+ds-5
1:10.1.1+ds-1
1:10.1.2+ds-1
1:10.1.2+ds-2
1:10.1.2+ds-3

Ecosystem specific

{
    "urgency":  "not yet assigned"
}

Database specific

source
"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2025-11234.json"