CVE-2022-39317: fedoraproject fedora Out-of-bounds Read
Vulnerability summary
CVE-2022-39317 is a medium (CVSS 4.6) Out-of-bounds Read vulnerability in fedoraproject fedora. EPSS estimates a 0.67% chance of exploitation in the next 30 days, higher than 51.3% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 6 · Related 3Timeline
- 16-11-2022PublishedVulnerability first disclosed.
- 23-04-2025Last modifiedVulnerability information updated.
Description
FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing a range check for input offset index in ZGFX decoder. A malicious server can trick a FreeRDP based client to read out of bound data and try to decode it. This issue has been addressed in version 2.9.0. There are no known workarounds for this issue.
CVSS metrics
4 scores · 4 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated4.6MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:L
- OSV · DebianEcosystem advisory · calculated4.6MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:L
- NVDNIST4.6MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:L
EPSS trend
Probability
0.67%
Chance of exploitation in the next 30 days
Percentile
51%
Versus all other CVEs
30-day change
0.00 pp
From 0.67% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu2 products
- freerdpAll versions (No fix recorded)
- freerdp2< 2.2.0+dfsg1-0ubuntu0.18.04.4 | < 2.2.0+dfsg1-0ubuntu0.20.04.4 | < 2.6.1+dfsg1-3ubuntu2.3
Debian1 product
- freerdp2< 2.9.0+dfsg1-1
Fedoraproject1 product
- fedoraEOL36 | 37
Freerdp1 product
- freerdp< 2.9.0
4 vendors · 5 products
References
8 links- lists.fedoraproject.org/archives/…Vendor Advisory
- lists.fedoraproject.org/archives/…Vendor Advisory
- security.gentoo.org/glsa/202401-16Vendor Advisory
