CVE-2022-3165: fedoraproject fedora Integer Underflow (Wrap or Wraparound)
Vulnerability summary
CVE-2022-3165 is a medium (CVSS 6.5) Integer Underflow (Wrap or Wraparound) vulnerability in fedoraproject fedora. EPSS estimates a 1.56% chance of exploitation in the next 30 days, higher than 75.3% 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 4 · Related 2Timeline
- 17-10-2022PublishedVulnerability first disclosed.
- 14-05-2025Last modifiedVulnerability information updated.
Description
An integer underflow issue was found in the QEMU VNC server while processing ClientCutText messages in the extended format. A malicious client could use this flaw to make QEMU unresponsive by sending a specially crafted payload message, resulting in a denial of service.
CVSS metrics
5 scores · 5 sources · 1 version- 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
- NVDNIST6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · AlpineEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
1.56%
Chance of exploitation in the next 30 days
Percentile
75%
Versus all other CVEs
30-day change
Increase +0.32 pp
From 1.24% 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.
Alpine1 product
- qemu≥ 6.1.0, < 7.1.0-r4
Debian1 product
- qemu< 1:7.2+dfsg-1
Fedoraproject1 product
- fedoraEOL36 | 37
Qemu1 product
- qemu≥ 6.1.0, ≤ 7.1.0
Ubuntu1 product
- qemu< 1:6.2+dfsg-2ubuntu6.6
5 vendors · 5 products
References
12 links- lists.fedoraproject.org/archives/…Vendor Advisory
- lists.fedoraproject.org/archives/…Vendor Advisory
- security.netapp.com/advisory/ntap-20221223-0006/Third Party Advisory
