sys/netinet6/icmp6.c in the kernel in FreeBSD 6.3 through 7.1, NetBSD 3.0 through 4.0, and possibly other operating systems does not properly check the proposed new MTU in an ICMPv6 Packet Too Big Message, which allows remote attackers to cause a denial of service (panic) via a crafted Packet Too Big Message
Published Sep 5, 2008
7.1
HIGHCVSS 2.0
EPSS 4.51%
Description
sys/netinet6/icmp6.c in the kernel in FreeBSD 6.3 through 7.1, NetBSD 3.0 through 4.0, and possibly other operating systems does not properly check the proposed new MTU in an ICMPv6 Packet Too Big Message, which allows remote attackers to cause a denial of service (panic) via a crafted Packet Too Big Message.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:N/I:N/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.51% (0.04513) | 91.22th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.51% (0.04513) | 90.27th | v5 (v2026.06.15) |
| May 27, 2025 | 6.71% (0.06713) | 90.76th | v4 (v2025.03.14) |
| May 21, 2025 | 5.69% (0.05689) | 89.91th | v4 (v2025.03.14) |
| Mar 30, 2025 | 3.51% (0.03513) | 86.51th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.94% (0.04944) | 82.36th | v4 (v2025.03.14) |
| Mar 17, 2025 | 3.51% (0.03513) | 86.83th | v4 (v2025.03.14) |
| Feb 7, 2025 | 5.17% (0.05167) | 92.94th | v3 (v2023.03.01) |
| Dec 17, 2024 | 3.50% (0.03502) | 91.41th | v3 (v2023.03.01) |
| Jan 3, 2024 | 1.76% (0.01762) | 86.64th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.63% (0.01633) | 85.53th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.78% (0.03779) | 85.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.78% (0.03779) | 84.01th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.78% (0.03779) | 67.21th | v2 (v2022.01.01) |
References (15)
- ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2008-015.txt.asc vendor-advisoryx_refsource_NETBSD
- http://lists.apple.com/archives/security-announce/2009/May/msg00002.html vendor-advisoryx_refsource_APPLE
- http://secunia.com/advisories/31745 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/32401 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/35074 third-party-advisoryx_refsource_SECUNIA
- http://security.freebsd.org/advisories/FreeBSD-SA-08:09.icmp6.asc vendor-advisoryx_refsource_FREEBSDPatch
- http://support.apple.com/kb/HT3467 x_refsource_CONFIRM
- http://support.apple.com/kb/HT3549 x_refsource_CONFIRM
- http://www.securityfocus.com/bid/31004 vdb-entryx_refsource_BIDPatch
- http://www.securitytracker.com/id?1020820 vdb-entryx_refsource_SECTRACK
- http://www.securitytracker.com/id?1021111 vdb-entryx_refsource_SECTRACK
- http://www.us-cert.gov/cas/techalerts/TA09-133A.html third-party-advisoryx_refsource_CERTUS Government Resource
- http://www.vupen.com/english/advisories/2009/0633 vdb-entryx_refsource_VUPEN
- http://www.vupen.com/english/advisories/2009/1297 vdb-entryx_refsource_VUPEN
- https://exchange.xforce.ibmcloud.com/vulnerabilities/44908 vdb-entryx_refsource_XF
Change history (0)
No recorded changes yet.