The OSI networking kernel (sys/netiso) in NetBSD 1.6.1 and earlier does not use a…
Priority LOW 25Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
The OSI networking kernel (sys/netiso) in NetBSD 1.6.1 and earlier does not use a BSD-required "PKTHDR" mbuf when sending certain error responses to the sender of an OSI packet, which allows remote attackers to cause a denial of service (kernel panic or crash) via certain OSI packets.
Why it matters now
EPSS 0.01272 70th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:netbsd:netbsd:1.5:*:*:*:*:*:*:* | 1.5 | Vulnerable | NetBSD |
| cpe:2.3:o:netbsd:netbsd:1.5.1:*:*:*:*:*:*:* | 1.5.1 | Vulnerable | NetBSD |
| cpe:2.3:o:netbsd:netbsd:1.5.2:*:*:*:*:*:*:* | 1.5.2 | Vulnerable | NetBSD |
| cpe:2.3:o:netbsd:netbsd:1.5.3:*:*:*:*:*:*:* | 1.5.3 | Vulnerable | NetBSD |
| cpe:2.3:o:netbsd:netbsd:1.6:*:*:*:*:*:*:* | 1.6 | Vulnerable | NetBSD |
| cpe:2.3:o:netbsd:netbsd:1.6.1:*:*:*:*:*:*:* | 1.6.1 | Vulnerable | NetBSD |
- cpe:2.3:o:netbsd:netbsd:1.5:*:*:*:*:*:*:* Versions 1.5 Vulnerable ·NetBSD
- cpe:2.3:o:netbsd:netbsd:1.5.1:*:*:*:*:*:*:* Versions 1.5.1 Vulnerable ·NetBSD
- cpe:2.3:o:netbsd:netbsd:1.5.2:*:*:*:*:*:*:* Versions 1.5.2 Vulnerable ·NetBSD
- cpe:2.3:o:netbsd:netbsd:1.5.3:*:*:*:*:*:*:* Versions 1.5.3 Vulnerable ·NetBSD
- cpe:2.3:o:netbsd:netbsd:1.6:*:*:*:*:*:*:* Versions 1.6 Vulnerable ·NetBSD
- cpe:2.3:o:netbsd:netbsd:1.6.1:*:*:*:*:*:*:* Versions 1.6.1 Vulnerable ·NetBSD
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2003-0653
- 2026-10-03 Alias added: GHSA-4j9j-jf29-v2fj
References
—
More Netbsd vulnerabilities
- TI-2024-05929 Openssh: regresshion - race condition in ssh allows rce/dos CVSS 3.1HIGH 8.1
- TI-2003-00437 Off-by-one error in the fb_realpath() function, as derived from the realpath function in… CVSS 3.1CRITICAL 9.8
- TI-2002-01263 Buffer overflow in Sendmail 5.79 to 8.12.7 allows remote attackers to execute arbitrary… CVSS 2.0HIGH 10.0
- TI-2003-00642 The prescan function in Sendmail 8.12.9 allows remote attackers to execute arbitrary code… CVSS 2.0HIGH 10.0
- TI-1999-00045 Buffer overflow of rlogin program using TERM environmental variable. CVSS 2.0HIGH 10.0
- TI-2014-06993 The fetch_url function in usr.bin/ftp/fetch.c in tnftp, as used in NetBSD 5.1 through… CVSS 2.0HIGH 7.5
Sources
- CVE-2003-0653 · CVE Program
- CVE-2003-0653 · NVD
- FIRST EPSS
- GHSA-4j9j-jf29-v2fj · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences