CVE-2015-5225
Buffer overflow in the vnc_refresh_server_surface function in the VNC display driver in QEMU before 2.4.0.1 allows guest users to cause a denial of service (heap memory corruption and process crash)
02 Description
Buffer overflow in the vnc_refresh_server_surface function in the VNC display driver in QEMU before 2.4.0.1 allows guest users to cause a denial of service (heap memory corruption and process crash)
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
- 0.53% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 44.7% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Important. 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
- 2015-11-06 21:00Z10 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
- Data version
- 5.1
- Document digest
- 7d8f36638ad10a5fb36801e129e15ac0d5602973e8fda42e57a61dc73a991ba3
05 Affected products
06 References
- lists.gnu.org[Qemu-deve] 20150915 [ANNOUNCE] QEMU 2.4.0.1 CVE update releasedhttps://lists.gnu.org/archive/html/qemu-devel/2015-09/msg05832.html
- lists.gnu.org[Qemu-devel] 20150821 [PATCH] vnc: fix memory corruption (CVE-2015-5225)https://lists.gnu.org/archive/html/qemu-devel/2015-08/msg02495.html
- rhn.redhat.comRHSA-2015:1837http://rhn.redhat.com/errata/RHSA-2015-1837.html
- lists.fedoraproject.orgFEDORA-2015-14783http://lists.fedoraproject.org/pipermail/package-announce/2015-September/165484.html
- www.debian.orgDSA-3348http://www.debian.org/security/2015/dsa-3348
- lists.fedoraproject.orgFEDORA-2015-16368http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169039.html
- rhn.redhat.comRHSA-2015:1772http://rhn.redhat.com/errata/RHSA-2015-1772.html
- www.securitytracker.com1033547http://www.securitytracker.com/id/1033547
- www.openwall.com[oss-security] 20150822 CVE-2015-5225 Qemu: ui: vnc: heap memory corruption issuehttp://www.openwall.com/lists/oss-security/2015/08/21/6
- www.securityfocus.com76506http://www.securityfocus.com/bid/76506
- lists.fedoraproject.orgFEDORA-2015-15364http://lists.fedoraproject.org/pipermail/package-announce/2015-September/166798.html
- security.gentoo.orgGLSA-201602-01https://security.gentoo.org/glsa/201602-01
07 Fixed in
Debian 12
- qemu Fixed in 1:2.4+dfsg-1a
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- qemu Fixed in 1:2.4+dfsg-1a
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- qemu Fixed in 1:2.4+dfsg-1a
Source: Debian Security Tracker, the Debian security team. 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.