CVE-2014-0142: qemu Divide By Zero
Vulnerability summary
CVE-2014-0142 is a medium (CVSS 5.5) Divide By Zero vulnerability in qemu. EPSS estimates a 0.38% chance of exploitation in the next 30 days, higher than 32.2% of scored vulnerabilities.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 10 · Related 2Timeline
- 10-08-2017PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
QEMU, possibly before 2.0.0, allows local users to cause a denial of service (divide-by-zero error and crash) via a zero value in the (1) tracks field to the seek_to_sector function in block/parallels.c or (2) extent_size field in the bochs function in block/bochs.c.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.38%
Chance of exploitation in the next 30 days
Percentile
32%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.38% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Debian1 product
- qemu< 2.0.0+dfsg-1
Qemu1 product
- qemu≤ 2.0.0
Ubuntu1 product
- qemu< 2.0.0~rc1+dfsg-0ubuntu3
3 vendors · 3 products