CVE-2020-14415: canonical ubuntu_linux Divide By Zero
Vulnerability summary
CVE-2020-14415 is a low (CVSS 3.3) Divide By Zero vulnerability in canonical ubuntu_linux. EPSS estimates a 0.45% chance of exploitation in the next 30 days, higher than 39.3% of scored vulnerabilities.
Not severe (CVSS 3.3, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 27-08-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
oss_write in audio/ossaudio.c in QEMU before 5.0.0 mishandles a buffer position.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated3.3LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
- OSV · DebianEcosystem advisory · calculated3.3LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
- OSV · AlpineEcosystem advisory · calculated3.3LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
EPSS trend
Probability
0.45%
Chance of exploitation in the next 30 days
Percentile
39%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.45% 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.
Alpine1 product
- qemu< 5.0.0-r0
Canonical1 product
- ubuntu_linuxEOL16.04 | 18.04 | 20.04
Debian1 product
- qemu< 1:5.0-1
Qemu1 product
- qemu< 5.0.0
Ubuntu1 product
- qemu< 1:4.2-3ubuntu6.4
5 vendors · 5 products