How severe is CVE-2015-3814?

CVE-2015-3814 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2015-3814 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-3814?

CVE-2015-3814 primarily affects Wireshark. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-3814?

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

When was CVE-2015-3814 published?

CVE-2015-3814 was published on 2015-05-26 and last updated on 2026-06-17.

CVE-2015-3814

CVE-2015-3814 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. The underlying weakness is classified as CWE-189.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-189
Affected product: Wireshark
Published: 2015-05-26
Last modified: 2026-06-17

Description

The (1) dissect_tfs_request and (2) dissect_tfs_response functions in epan/dissectors/packet-ieee80211.c in the IEEE 802.11 dissector in Wireshark 1.10.x before 1.10.14 and 1.12.x before 1.12.5 interpret a zero value as a length rather than an error condition, which allows remote attackers to cause a denial of service (infinite loop) via a crafted packet.

Frequently asked questions

What is CVE-2015-3814?: The (1) dissect_tfs_request and (2) dissect_tfs_response functions in epan/dissectors/packet-ieee80211.c in the IEEE 802.11 dissector in Wireshark 1.10.x before 1.10.14 and 1.12.x before 1.12.5 interpret a zero value as a length rather than an error condition, which allows remote attackers to cause a denial of service (infinite loop) via a crafted packet.
How severe is CVE-2015-3814?: CVE-2015-3814 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2015-3814 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-3814?: CVE-2015-3814 primarily affects Wireshark. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-3814?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-3814 published?: CVE-2015-3814 was published on 2015-05-26 and last updated on 2026-06-17.

References

Affected products (21)

cpe:2.3:o:oracle:solaris:11.2:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.10.0:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.10.1:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.10.2:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.10.3:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.10.4:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.10.5:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.10.6:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.10.7:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.10.8:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.10.9:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.10.10:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.10.11:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.10.12:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.10.13:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.10.14:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.12.0:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.12.1:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.12.2:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.12.3:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.12.4:*:*:*:*:*:*:*

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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Other CWE-189 (Numeric Errors) vulnerabilities

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CVE-2015-7205 — Critical (CVSS 10.0): Integer underflow in the RTPReceiverVideo::ParseRtpPacket function in Mozilla Firefox before 43.0 and Firefox ESR 38.x…
CVE-2015-6575 — Critical (CVSS 10.0): SampleTable.cpp in libstagefright in Android before 5.1.1 LMY48I does not properly consider integer promotion, which…
CVE-2015-3864 — Critical (CVSS 10.0): Integer underflow in the MPEG4Extractor::parseChunk function in MPEG4Extractor.cpp in libstagefright in mediaserver in…
CVE-2015-3836 — Critical (CVSS 10.0): The Parse_wave function in arm-wt-22k/lib_src/eas_mdls.c in the Sonivox DLS-to-EAS converter in Android before 5.1.1…
CVE-2015-3834 — Critical (CVSS 10.0): Multiple integer overflows in the BnHDCP::onTransact function in media/libmedia/IHDCP.cpp in libstagefright in Android…

Browse all CWE-189 (Numeric Errors) vulnerabilities →