CVE-2015-8504: debian debian_linux Divide By Zero
Vulnerability summary
CVE-2015-8504 is a medium (CVSS 6.5) Divide By Zero vulnerability in debian debian_linux. EPSS estimates a 3.12% chance of exploitation in the next 30 days, higher than 87.8% of scored vulnerabilities.
Not severe (CVSS 6.5, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 16 · Related 12Timeline
- 11-04-2017PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
Qemu, when built with VNC display driver support, allows remote attackers to cause a denial of service (arithmetic exception and application crash) via crafted SetPixelFormat messages from a client.
CVSS metrics
5 scores · 3 sources · 3 versions- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
3.12%
Chance of exploitation in the next 30 days
Percentile
88%
Versus all other CVEs
30-day change
No change 0.00 pp
From 3.12% 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: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Debian2 products
- qemu< 1:2.5+dfsg-1
- debian_linuxEOL7.0 | 8.0
Qemu1 product
- qemu≤ 2.4.1 | 2.5.0:rc0 | 2.5.0:rc1 | 2.5.0:rc2
Ubuntu1 product
- qemu< 2.0.0+dfsg-2ubuntu1.22
3 vendors · 4 products
References
13 links- bugzilla.redhat.com/show_bug.cgi?id=1289541X Refsource CONFIRMIssue TrackingPatchThird Party Advisory
