CVE-2009-4376
CVE-2009-4376 is a critical-severity vulnerability in Wireshark with a CVSS 2.0 base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.
Key facts
- Severity: Critical (CVSS 2.0 base score 9.3)
- EPSS exploit prediction: 7% (93rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Wireshark
- Published:
- Last modified:
Description
Buffer overflow in the daintree_sna_read function in the Daintree SNA file parser in Wireshark 1.2.0 through 1.2.4 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted packet.
Frequently asked questions
- What is CVE-2009-4376?
- Buffer overflow in the daintree_sna_read function in the Daintree SNA file parser in Wireshark 1.2.0 through 1.2.4 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted packet.
- How severe is CVE-2009-4376?
- CVE-2009-4376 has a CVSS 2.0 base score of 9.3, rated critical severity.
- Is CVE-2009-4376 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2009-4376?
- CVE-2009-4376 primarily affects Wireshark. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2009-4376?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2009-4376 published?
- CVE-2009-4376 was published on 2009-12-21 and last updated on 2026-06-16.
References
- http://osvdb.org/61177
- http://secunia.com/advisories/37842
- http://secunia.com/advisories/37916
- http://www.securityfocus.com/bid/37407
- http://www.securitytracker.com/id?1023374
- http://www.vupen.com/english/advisories/2009/3596
- http://www.wireshark.org/security/wnpa-sec-2009-09.html
- https://bugs.wireshark.org/bugzilla/attachment.cgi?id=4022
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=4294
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16435
- https://www.redhat.com/archives/fedora-package-announce/2009-December/msg01248.html
Affected products (5)
- cpe:2.3:a:wireshark:wireshark:1.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:1.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:1.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:1.2.3:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:1.2.4:*:*:*:*:*:*:*
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- CVE-2008-3146 — Critical (CVSS 10.0): Multiple buffer overflows in packet_ncp2222.inc in Wireshark (formerly Ethereal) 0.9.7 through 1.0.2 allow attackers to…
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