CVE-2015-5239

Description

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.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 4.44% Top 15%
Third-Party Advisory fedoraproject.org Third-Party Advisory fedoraproject.org Third-Party Advisory fedoraproject.org Third-Party Advisory opensuse.org Third-Party Advisory opensuse.org Third-Party Advisory opensuse.org Third-Party Advisory openwall.com Third-Party Advisory ubuntu.com Third-Party Advisory github.com Third-Party Advisory arista.com
Affected: QEMU QEMU
Published at:
Updated at:

References

Link Tags
http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00026.html third party advisory mailing list
http://lists.fedoraproject.org/pipermail/package-announce/2015-October/168671.html third party advisory mailing list
http://lists.fedoraproject.org/pipermail/package-announce/2015-October/168077.html third party advisory mailing list
http://lists.fedoraproject.org/pipermail/package-announce/2015-October/168646.html third party advisory mailing list
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00005.html third party advisory mailing list
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00011.html third party advisory mailing list
http://www.ubuntu.com/usn/USN-2745-1 third party advisory patch
http://www.openwall.com/lists/oss-security/2015/09/02/7 patch mailing list third party advisory
https://github.com/qemu/qemu/commit/f9a70e79391f6d7c2a912d785239ee8effc1922d third party advisory patch
https://www.arista.com/en/support/advisories-notices/security-advisories/1188-security-advisory-14 third party advisory

Frequently Asked Questions

What is the severity of CVE-2015-5239?
CVE-2015-5239 has been scored as a medium severity vulnerability.
How to fix CVE-2015-5239?
To fix CVE-2015-5239, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-5239 being actively exploited in the wild?
It is possible that CVE-2015-5239 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2015-5239?
CVE-2015-5239 affects QEMU QEMU.
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