CVE catalog
CVE-2018-0608
h2o: CVE-2018-0608
- Severity
- Medium
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 3.78% · Oct 25, 2026
Buffer overflow in H2O version 2.2.4 and earlier allows remote attackers to execute arbitrary code or cause a denial of service (DoS) via unspecified vectors.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | h2o | bookworm | 2.2.5+dfsg2-7 | fixed |
| Ubuntu | h2o | pro | 2.2.3+dfsg-2 | vulnerable |
| Ubuntu | h2o | pro | 2.2.4+dfsg-1 | vulnerable |
| Ubuntu | h2o | pro | 2.2.4+dfsg-1build1 | vulnerable |
| Ubuntu | h2o | pro | 2.2.4+dfsg-1ubuntu0.1~esm2 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | h2o | source | bookworm | 2.2.5+dfsg1-1 | not yet assigned | Not reported | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [h2o]Fixed
Details (2)
2.2.5+dfsg2-7· amd64 · bookwormFixed · Fixed:
2.2.5+dfsg1-1dsa · h2o · debian · bookworm; dsa · h2o · debian · 12
2.2.5+dfsg2-7· arm64 · bookwormFixed · Fixed:
2.2.5+dfsg1-1dsa · h2o · debian · bookworm; dsa · h2o · debian · 12
- [h2o-doc]Fixed
Source package: [h2o]
Details (2)
2.2.5+dfsg2-7· all · bookwormFixed · Fixed:
2.2.5+dfsg1-1dsa · h2o · debian · bookworm; dsa · h2o · debian · 12
2.2.5+dfsg2-7· all · bookwormFixed · Fixed:
2.2.5+dfsg1-1dsa · h2o · debian · bookworm; dsa · h2o · debian · 12
- [libh2o0.13]Fixed
Source package: [h2o]
Details (2)
2.2.5+dfsg2-7· amd64 · bookwormFixed · Fixed:
2.2.5+dfsg1-1dsa · h2o · debian · bookworm; dsa · h2o · debian · 12
2.2.5+dfsg2-7· arm64 · bookwormFixed · Fixed:
2.2.5+dfsg1-1dsa · h2o · debian · bookworm; dsa · h2o · debian · 12
- [libh2o-dev]Fixed
Source package: [h2o]
Details (2)
2.2.5+dfsg2-7· amd64 · bookwormFixed · Fixed:
2.2.5+dfsg1-1dsa · h2o · debian · bookworm; dsa · h2o · debian · 12
2.2.5+dfsg2-7· arm64 · bookwormFixed · Fixed:
2.2.5+dfsg1-1dsa · h2o · debian · bookworm; dsa · h2o · debian · 12
- [libh2o-dev-common]Fixed
Source package: [h2o]
Details (2)
2.2.5+dfsg2-7· all · bookwormFixed · Fixed:
2.2.5+dfsg1-1dsa · h2o · debian · bookworm; dsa · h2o · debian · 12
2.2.5+dfsg2-7· all · bookwormFixed · Fixed:
2.2.5+dfsg1-1dsa · h2o · debian · bookworm; dsa · h2o · debian · 12
- [libh2o-evloop0.13]Fixed
Source package: [h2o]
Details (2)
2.2.5+dfsg2-7· amd64 · bookwormFixed · Fixed:
2.2.5+dfsg1-1dsa · h2o · debian · bookworm; dsa · h2o · debian · 12
2.2.5+dfsg2-7· arm64 · bookwormFixed · Fixed:
2.2.5+dfsg1-1dsa · h2o · debian · bookworm; dsa · h2o · debian · 12
- [libh2o-evloop-dev]Fixed
Source package: [h2o]
Details (2)
2.2.5+dfsg2-7· amd64 · bookwormFixed · Fixed:
2.2.5+dfsg1-1dsa · h2o · debian · bookworm; dsa · h2o · debian · 12
2.2.5+dfsg2-7· arm64 · bookwormFixed · Fixed:
2.2.5+dfsg1-1dsa · h2o · debian · bookworm; dsa · h2o · debian · 12
Observed: