The mld_input function in sys/netinet6/mld6.c in the kernel in NetBSD 4.0, FreeBSD, and KAME, when INET6 is enabled, allows remote attackers to cause a denial of service (divide-by-zero error and panic) via a malformed ICMPv6 Multicast Listener Discovery (MLD) query with a certain Maximum Response Delay value.
CVE-2008-2464
This CVE was only ever scored under CVSS v2.0. NVD CVSS v2.0 base 7.1 — v2 rates that HIGH (v2 bands: LOW 0.0–3.9 / MEDIUM 4.0–6.9 / HIGH 7.0–10.0; v2 has no CRITICAL band). Vector AV:N/AC:M/Au:N/C:N/I:N/A:C. CVSS v2 is an older, coarser metric than v3.1/v4.0 (no Scope, no User Interaction, no Attack Requirements), so it is not directly comparable to a v3 or v4 score. NVD has never re-scored this record under v3. EPSS predicts 2.4% exploitation probability in the next 30 days, which is reflected in EG Risk but does not lift the v2 base. Confidence: LOW.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v2.0 (legacy)
- 7.1HIGHNVD never assigned a CVSS v3 rating to this CVE
- EG Score
- 7.1(low)
- EG Risk
- 37(Track)EG Risk 37/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity71% × 45%Exploitation2% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 2%
- EPSS %ILE
- 84%
- KEV
- Not listed
Published
September 11, 2008
Last Modified
April 23, 2026
References (18)
- cret@certhttp://cert.fi/haavoittuvuudet/2008/advisory-netbsd.html
- cret@certhttp://cvsweb.netbsd.org/bsdweb.cgi/src/sys/netinet6/mld6.c
- cret@certhttp://cvsweb.netbsd.org/bsdweb.cgi/src/sys/netinet6/mld6.c.diff?r1=1.46&r2=1.47&f=h
- cret@certhttp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2008-011.txt.asc
- cret@certhttp://securitytracker.com/id?1020822
- cret@certhttp://www.freebsd.org/cgi/cvsweb.cgi/src/sys/netinet6/mld6.c
- cret@certhttp://www.freebsd.org/cgi/cvsweb.cgi/src/sys/netinet6/mld6.c.diff?r1=1.34%3Br2=1.35%3Bf=h
- cret@certhttp://www.kb.cert.org/vuls/id/817940
- cret@certhttp://www.securityfocus.com/bid/31026
- af854a3a-2127-422b-91ae-364da2661108http://cert.fi/haavoittuvuudet/2008/advisory-netbsd.html
- af854a3a-2127-422b-91ae-364da2661108http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/netinet6/mld6.c
- af854a3a-2127-422b-91ae-364da2661108http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/netinet6/mld6.c.diff?r1=1.46&r2=1.47&f=h
- af854a3a-2127-422b-91ae-364da2661108http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2008-011.txt.asc
- af854a3a-2127-422b-91ae-364da2661108http://securitytracker.com/id?1020822
- af854a3a-2127-422b-91ae-364da2661108http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/netinet6/mld6.c
Data Freshness Timeline
(refreshed 1× in last 7d / 12× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 121 total refreshes for this CVE.
- 2026-09-18 19:20 UTCEPSS rescore
- 2026-09-17 19:20 UTCEPSS rescore
- 2026-09-15 03:04 UTCEPSS rescore
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- 2026-07-26 13:35 UTCEG score recompute▲ 7.10
- 2026-07-25 14:12 UTCEPSS rescore
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- 2026-07-23 14:14 UTCEPSS rescore
- 2026-07-23 00:56 UTCEG score recompute
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- 2026-07-23 00:34 UTCEG score recompute
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Frequently asked(4)
What is CVE-2008-2464?
When was CVE-2008-2464 disclosed?
Is CVE-2008-2464 actively exploited?
How do I remediate CVE-2008-2464?
Dependency Blast Radius
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