Buffer overflow in kern/uipc_mbuf2.c in OpenBSD 3.9 and 4.0 allows remote attackers to execute arbitrary code via fragmented IPv6 packets due to "incorrect mbuf handling for ICMP6 packets." NOTE: this was originally reported as a denial of service.
CVE-2007-1365
- No confirmed exploitation signals yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 96.8%
- KEV
- Not listed
Published
March 10, 2007
Last Modified
April 23, 2026
References (20)
- cve@mitrehttp://marc.info/?l=openbsd-cvs&m=117252151023868&w=2
- cve@mitrehttp://secunia.com/advisories/24490
- cve@mitrehttp://securitytracker.com/id?1017735
- cve@mitrehttp://www.coresecurity.com/?action=item&id=1703
- cve@mitrehttp://www.kb.cert.org/vuls/id/986425
- cve@mitrehttp://www.openbsd.org/errata39.html#m_dup1
- cve@mitrehttp://www.openbsd.org/errata40.html#m_dup1
- cve@mitrehttp://www.osvdb.org/33050
- cve@mitrehttp://www.securityfocus.com/bid/22901
- cve@mitrehttp://www.securitytracker.com/id?1017744
- af854a3a-2127-422b-91ae-364da2661108http://marc.info/?l=openbsd-cvs&m=117252151023868&w=2
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/24490
- af854a3a-2127-422b-91ae-364da2661108http://securitytracker.com/id?1017735
- af854a3a-2127-422b-91ae-364da2661108http://www.coresecurity.com/?action=item&id=1703
- af854a3a-2127-422b-91ae-364da2661108http://www.kb.cert.org/vuls/id/986425
Data Freshness Timeline
(refreshed 4× in last 7d / 28× 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.
- 2026-07-13 22:25 UTCEPSS rescore
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- 2026-05-31 03:49 UTCEG score recompute
- 2026-05-31 03:49 UTCGHSA enrichment
- 2026-05-31 00:13 UTCEPSS rescore
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- 2026-05-18 21:29 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
Publicly available exploits
(1 reference)Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- Exploit-DBEDB-29725✓ verifiedFirst seen Mar 9, 2007
OpenBSD 3.x/4.x - ICMPv6 Packet Handling Remote Buffer Overflow
Open source ↗
Frequently asked(4)
What is CVE-2007-1365?
When was CVE-2007-1365 disclosed?
Is CVE-2007-1365 actively exploited?
How do I remediate CVE-2007-1365?
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