CVE-2026-3196
Qemu-kvm: virtio-snd: integer overflow leading to unbounded memory allocation
02 Description
Qemu-kvm: virtio-snd: integer overflow leading to unbounded memory allocation
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.14% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 3.5% of scored records. A rank, not a probability.
- NVD base score
- 5.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Awaiting Analysis. NVD last modified this record on 2026-06-22.
- 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
- 2026-06-19 16:23Z4 MO AGO
- Last updated
- 2026-06-22 15:54Z4 MO AGO
- Reserved
- 2026-02-25
- Assigning CNA
- fedora
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 5.5)
- CNA CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-190Integer Overflow or WraparoundBase
- Data version
- 5.2
- Document digest
- f8b6a09b666c37c38ff847b2ccd3b760ec710c23d1eb03ebfcdf44641bbe7f8c
05 Affected products
06 References
- access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-3196
- bugzilla.redhat.comRHBZ#2443789https://bugzilla.redhat.com/show_bug.cgi?id=2443789
07 Fixed in
Debian 13
- qemu Fixed in 1:10.0.10+ds-0+deb13u1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- qemu Fixed in 1:10.2.2+ds-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 24.04 LTS
- qemu Fixed in 1:8.2.2+ds-0ubuntu1.16
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 25.10
- qemu Fixed in 1:10.1.0+ds-5ubuntu2.6
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 26.04 LTS
- qemu No fix yet
- qemu-hwe No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 26.10
- qemu No fix yet
- qemu-hwe No fix yet
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.