CVE-2013-4927

CVE-2013-4927 is a high-severity vulnerability in Wireshark with a CVSS 2.0 base score of 7.8. 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-189.

Key facts

• Severity: High (CVSS 2.0 base score 7.8)
• EPSS exploit prediction: 4% (88th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-189
• Affected product: Wireshark
• Published: 2013-07-30
• Last modified: 2026-06-16

Description

Integer signedness error in the get_type_length function in epan/dissectors/packet-btsdp.c in the Bluetooth SDP dissector in Wireshark 1.8.x before 1.8.9 and 1.10.x before 1.10.1 allows remote attackers to cause a denial of service (loop and CPU consumption) via a crafted packet.

Frequently asked questions

What is CVE-2013-4927?

Integer signedness error in the get_type_length function in epan/dissectors/packet-btsdp.c in the Bluetooth SDP dissector in Wireshark 1.8.x before 1.8.9 and 1.10.x before 1.10.1 allows remote attackers to cause a denial of service (loop and CPU consumption) via a crafted packet.

How severe is CVE-2013-4927?

CVE-2013-4927 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2013-4927 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-4927?

CVE-2013-4927 primarily affects Wireshark. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-4927?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2013-4927 published?

CVE-2013-4927 was published on 2013-07-30 and last updated on 2026-06-16.

References

• http://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-btsdp.c?r1=50134&r2=50133&pathrev=50134
• http://anonsvn.wireshark.org/viewvc?view=revision&revision=50134
• http://lists.opensuse.org/opensuse-updates/2013-08/msg00004.html
• http://lists.opensuse.org/opensuse-updates/2013-08/msg00009.html
• http://rhn.redhat.com/errata/RHSA-2014-0341.html
• http://secunia.com/advisories/54296
• http://secunia.com/advisories/54371
• http://secunia.com/advisories/54425
• http://www.gentoo.org/security/en/glsa/glsa-201308-05.xml
• http://www.wireshark.org/docs/relnotes/wireshark-1.10.1.html
• http://www.wireshark.org/docs/relnotes/wireshark-1.8.9.html
• https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=8831
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17636
• https://www.wireshark.org/security/wnpa-sec-2013-45.html

Affected products (10)

• cpe:2.3:a:wireshark:wireshark:1.8.0:*:*:*:*:*:*:*
• cpe:2.3:a:wireshark:wireshark:1.8.1:*:*:*:*:*:*:*
• cpe:2.3:a:wireshark:wireshark:1.8.2:*:*:*:*:*:*:*
• cpe:2.3:a:wireshark:wireshark:1.8.3:*:*:*:*:*:*:*
• cpe:2.3:a:wireshark:wireshark:1.8.4:*:*:*:*:*:*:*
• cpe:2.3:a:wireshark:wireshark:1.8.5:*:*:*:*:*:*:*
• cpe:2.3:a:wireshark:wireshark:1.8.6:*:*:*:*:*:*:*
• cpe:2.3:a:wireshark:wireshark:1.8.7:*:*:*:*:*:*:*
• cpe:2.3:a:wireshark:wireshark:1.8.8:*:*:*:*:*:*:*
• cpe:2.3:a:wireshark:wireshark:1.10.0:*:*:*:*:*:*:*

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…

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