CVE-2008-3140

CVE-2008-3140 is a medium-severity vulnerability in Wireshark with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

• Severity: Medium (CVSS 2.0 base score 5.0)
• EPSS exploit prediction: 5% (91st percentile)
• Actively exploited: Not listed in CISA KEV
• Affected product: Wireshark
• Published: 2008-07-10
• Last modified: 2026-06-16

Description

The syslog dissector in Wireshark (formerly Ethereal) 1.0.0 allows remote attackers to cause a denial of service (application crash) via unknown vectors, possibly related to an "incomplete SS7 MSU syslog encapsulated packet."

Frequently asked questions

What is CVE-2008-3140?

The syslog dissector in Wireshark (formerly Ethereal) 1.0.0 allows remote attackers to cause a denial of service (application crash) via unknown vectors, possibly related to an "incomplete SS7 MSU syslog encapsulated packet."

How severe is CVE-2008-3140?

CVE-2008-3140 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2008-3140 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-3140?

CVE-2008-3140 affects Wireshark. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2008-3140?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2008-3140 published?

CVE-2008-3140 was published on 2008-07-10 and last updated on 2026-06-16.

References

• http://lists.opensuse.org/opensuse-security-announce/2008-08/msg00006.html
• http://secunia.com/advisories/30886
• http://secunia.com/advisories/30942
• http://secunia.com/advisories/31085
• http://secunia.com/advisories/31378
• http://secunia.com/advisories/31687
• http://security.gentoo.org/glsa/glsa-200808-04.xml
• http://securitytracker.com/id?1020404
• http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0212
• http://www.securityfocus.com/archive/1/493882/100/0/threaded
• http://www.securityfocus.com/bid/30020
• http://www.vupen.com/english/advisories/2008/1982/references
• http://www.wireshark.org/security/wnpa-sec-2008-03.html
• https://exchange.xforce.ibmcloud.com/vulnerabilities/43518
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14700
• https://www.redhat.com/archives/fedora-package-announce/2008-July/msg00544.html

Affected products (1)

• cpe:2.3:a:wireshark:wireshark:1.0.0:*:*:*:*:*:*:*

More vulnerabilities in Wireshark

• CVE-2011-0444 — Critical (CVSS 10.0): Buffer overflow in the MAC-LTE dissector (epan/dissectors/packet-mac-lte.c) in Wireshark 1.2.0 through 1.2.13 and 1.4.0…
• CVE-2010-2995 — Critical (CVSS 10.0): The SigComp Universal Decompressor Virtual Machine (UDVM) in Wireshark 0.10.8 through 1.0.14 and 1.2.0 through 1.2.9…
• CVE-2010-2994 — Critical (CVSS 10.0): Stack-based buffer overflow in the ASN.1 BER dissector in Wireshark 0.10.13 through 1.0.14 and 1.2.0 through 1.2.9 has…
• CVE-2009-1266 — Critical (CVSS 10.0): Unspecified vulnerability in Wireshark before 1.0.7 has unknown impact and attack vectors.
• CVE-2009-1210 — Critical (CVSS 10.0): Format string vulnerability in the PROFINET/DCP (PN-DCP) dissector in Wireshark 1.0.6 and earlier allows remote…
• 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…

All CVEs affecting Wireshark →