CVE-2015-5239

Publication date 3 September 2015

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

Integer overflow in the VNC display driver in QEMU before 2.1.0 allows attachers to cause a denial of service (process crash) via a CLIENT_CUT_TEXT message, which triggers an infinite loop.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
qemu	15.04 vivid	Not affected
	14.04 LTS trusty	Fixed 2.0.0+dfsg-2ubuntu1.19
	12.04 LTS precise	Not in release
qemu-kvm	15.04 vivid	Not in release
	14.04 LTS trusty	Not in release
	12.04 LTS precise	Fixed 1.0+noroms-0ubuntu14.25

Notes

mdeslaur

DoS

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
qemu	Upstream: http://git.qemu.org/?p=qemu.git;a=commit;h=f9a70e79391f6d7c2a912d785239ee8effc1922d

Severity score breakdown

Parameter	Value
Base score	6.5 · Medium
Attack vector	Network
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-2745-1
QEMU vulnerabilities
24 September 2015