CVE-2015-8666: debian debian_linux Out-of-bounds Write
Vulnerability summary
CVE-2015-8666 is a high (CVSS 7.9) Out-of-bounds Write vulnerability in debian debian_linux. EPSS estimates a 0.43% chance of exploitation in the next 30 days, higher than 37.6% of scored vulnerabilities.
Not severe (CVSS 7.9, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 3 · Related 1Timeline
- 11-04-2017PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
Heap-based buffer overflow in QEMU, when built with the Q35-chipset-based PC system emulator.
CVSS metrics
5 scores · 3 sources · 3 versions- OSV · UbuntuEcosystem advisory · calculated7.9HighCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.9HighCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H
EPSS trend
Probability
0.43%
Chance of exploitation in the next 30 days
Percentile
38%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.43% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, administrative account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Debian2 products
- qemu< 1:2.5+dfsg-1
- debian_linuxEOL8.0
Qemu1 product
- qemu≤ 2.4.1 | 2.5.0:rc0
Ubuntu1 product
- qemu< 2.0.0+dfsg-2ubuntu1.22
3 vendors · 4 products
References
10 links- www.openwall.com/lists/oss-security/2015/12/24/1Mailing ListX Refsource MLISTPatchThird Party AdvisoryREPORT
lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlMailing ListX Refsource MLISTThird Party Advisory