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Public proof of conceptFix available

CVE-2016-6512

A public proof of concept exists; no exploitation attested.

  • Published2016-08-06
  • WeaknessCWE-20

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

epan/dissectors/packet-wap.c in Wireshark 2.x before 2.0.5 omits an overflow check in the tvb_get_guintvar function, which allows remote attackers to cause a denial of service (infinite loop) via a crafted packet, related to the MMSE, WAP, WBXML, and WSP dissectors.

Timeline

dates in UTC
  1. 2016-08-03Exploit-DB entryExploit-DB

Observed activity

isMalicious corpus · updated 2026-11-03 15:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2016-6512?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2016-6512?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Wireshark
BranchAffectedFixed in
2.0= 2.0.0no fix published
2.0= 2.0.1no fix published
2.0= 2.0.2no fix published
2.0= 2.0.3no fix published
2.0= 2.0.4no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • wiresharkUbuntu:18.04:LTSall versions · fixed in 2.6.3-1~ubuntu18.04.1
  • wiresharkUbuntu:16.04:LTSall versions · fixed in 2.6.3-1~ubuntu16.04.1
  • wiresharkUbuntu:14.04:LTSall versions · fixed in 2.6.3-1~ubuntu14.04.1
  • wiresharkopenSUSE:Tumbleweedall versions · fixed in 2.2.2-1.1
  • wiresharkMageia:5all versions · fixed in 2.0.5-1.mga5
  • wiresharkDebian:14all versions · fixed in 2.0.5+ga3be9c6-1
  • wiresharkDebian:13all versions · fixed in 2.0.5+ga3be9c6-1
  • wiresharkDebian:12all versions · fixed in 2.0.5+ga3be9c6-1

21 more package ranges on OSV.dev

Full record on NVD

Fix

Advisories and patches

Detection

read 2026-11-02 22:42 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
EDB-40195
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVSS 3.05.9read 2026-10-23
  • NVDCVSS 2.04.3read 2026-10-23
  • NVDweakness (CWE)CWE-20read 2026-10-23
  • FIRST EPSSEPSS score7.6 %2026-11-03
  • Exploit-DBdetectionread 2026-11-02
  • OSVaffected packages—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2016-08-06
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2016-6512?

epan/dissectors/packet-wap.c in Wireshark 2.x before 2.0.5 omits an overflow check in the tvb_get_guintvar function, which allows remote attackers to cause a denial of service (infinite loop) via a crafted packet, related to the MMSE, WAP, WBXML, and WSP dissectors.

Is CVE-2016-6512 actively exploited?

Active exploitation of CVE-2016-6512 has not been confirmed. Its EPSS score was 7.6% on 2026-11-03, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2016-6512?

CVE-2016-6512 has a CVSS v3 base score of 5.9 (MEDIUM severity), with vector string CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

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