CVE-2015-5239
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.
02 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.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 3.61% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 88.9% of scored records. A rank, not a probability.
- NVD base score
- 6.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2020-01-23 19:52Z6 YR AGO
- Last updated
- 2024-08-06 06:41Z2 YR AGO
- Reserved
- 2015-07-01
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-835Loop with Unreachable Exit Condition ('Infinite Loop')Base
- Data version
- 5.1
- Document digest
- 1b5209fd0c61f635f5a506060cc122c51d517f61b59ba373fb3a932342694685
05 Affected products
06 References
- lists.opensuse.orghttp://lists.opensuse.org/opensuse-security-announce/2015-10/msg00026.html
- lists.fedoraproject.orghttp://lists.fedoraproject.org/pipermail/package-announce/2015-October/168671.html
- lists.fedoraproject.orghttp://lists.fedoraproject.org/pipermail/package-announce/2015-October/168077.html
- lists.fedoraproject.orghttp://lists.fedoraproject.org/pipermail/package-announce/2015-October/168646.html
- lists.opensuse.orghttp://lists.opensuse.org/opensuse-security-announce/2015-11/msg00005.html
- lists.opensuse.orghttp://lists.opensuse.org/opensuse-security-announce/2015-11/msg00011.html
- www.ubuntu.comhttp://www.ubuntu.com/usn/USN-2745-1
- www.openwall.comhttp://www.openwall.com/lists/oss-security/2015/09/02/7
- github.comhttps://github.com/qemu/qemu/commit/f9a70e79391f6d7c2a912d785239ee8effc1922d
- www.arista.comhttps://www.arista.com/en/support/advisories-notices/security-advisories/1188-security-advisory-14
07 Fixed in
Debian 12
- qemu Fixed in 2.1+dfsg-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- qemu Fixed in 2.1+dfsg-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- qemu Fixed in 2.1+dfsg-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- qemu Fixed in 2.0.0+dfsg-2ubuntu1.19
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.