CVE-2023-34054: broadcom reactor_netty
Vulnerability summary
CVE-2023-34054 is a high (CVSS 7.5) vulnerability in broadcom reactor_netty. EPSS estimates a 0.91% chance of exploitation in the next 30 days, higher than 59.3% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 0 · Related 2Timeline
- 28-11-2023PublishedVulnerability first disclosed.
- 02-08-2024Last modifiedVulnerability information updated.
Description
In Reactor Netty HTTP Server, versions 1.1.x prior to 1.1.13 and versions 1.0.x prior to 1.0.39, it is possible for a user to provide specially crafted HTTP requests that may cause a denial-of-service (DoS) condition. Specifically, an application is vulnerable if Reactor Netty HTTP Server built-in integration with Micrometer is enabled.
CVSS metrics
3 scores · 3 sources · 1 version- CVE.orgCNA5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LDiffers
- OSV · MavenEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.91%
Chance of exploitation in the next 30 days
Percentile
59%
Versus all other CVEs
30-day change
0.00 pp
From 0.91% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Broadcom1 product
- reactor_netty< 1.0.39 | ≥ 1.1.0, < 1.1.13
Io.projectreactor.netty1 product
- reactor-netty-core≥ 1.1.0, < 1.1.13 | ≥ 1.0.0, < 1.0.39
Spring1 product
- reactor netty≥ 1.1.0, < 1.1.13 | ≥ 1.0.0, < 1.0.39 | older unsupported versions
3 vendors · 3 products
