CVE-2011-1547

mediumpriority · track · 39EPSS 0.051 · 92 %ileexploit · functionalEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · functional

Likely / severe?

5.08% (92nd) EPSS

CVSS 6.8 · medium

Is it mine?

6 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

Multiple stack consumption vulnerabilities in the kernel in NetBSD 4.0, 5.0 before 5.0.3, and 5.1 before 5.1.1, when IPsec is enabled, allow remote attackers to cause a denial of service (memory corruption and panic) or possibly have unspecified other impact via a crafted (1) IPv4 or (2) IPv6 packet with nested IPComp headers.

cvss

Technical severity, 0–10. One row per scoring source.

6.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.06.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 8.6 · impact 6.4

v2.06.1mediumAV:N/AC:M/Au:N/C:P/I:P/A:P/E:POCsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USprimary

exploits (1)

Public proof-of-concept and weaponised exploit code.

EDB-17097IPComp - encapsulation Kernel Memory Corruptionfunctional · exploit_db

affected products (6)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
netbsd netbsd= 4.0nvdUScpe:2.3:o:netbsd:netbsd:*:*:*:*:*:*:*:*
netbsd netbsd= 5.0nvdUScpe:2.3:o:netbsd:netbsd:*:*:*:*:*:*:*:*
netbsd netbsd= 5.0.1nvdUScpe:2.3:o:netbsd:netbsd:*:*:*:*:*:*:*:*
netbsd netbsd= 5.0.2nvdUScpe:2.3:o:netbsd:netbsd:*:*:*:*:*:*:*:*
netbsd netbsd= 5.1nvdUScpe:2.3:o:netbsd:netbsd:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2011-05-09modified 2026-06-16

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+21023 more

references (7)

External citations — patches, advisories, analysis.

scry

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