Mdnsresponder vulnerabilitiesRanked by how likely they are to be used.

Product70 versions
The short answer

Mdnsresponder is made by Apple. We track 3 published vulnerabilities in it, across 70 versions. None of them is on the list of flaws known to be exploited today. If you run Mdnsresponder, keep it on a version the vendor still supports.

See the riskiest flaws

We keep watching the known-exploited list.

Known exploited

Which Mdnsresponder vulnerabilities are being exploited?

This is the list that matters most: flaws criminals are using now.

None of Mdnsresponder's published vulnerabilities is on the list of flaws known to be exploited today. We keep watching that list.

Exploit likelihood

Which Mdnsresponder flaws are most likely to be used?

Ranked by the latest exploit-likelihood forecast: the chance each flaw is used in an attack in the next 30 days. A high severity score on its own doesn't tell you that. Flaws shared by many other makers' products are left out.

50% or more10% to 49%Under 10%
  1. 7.0%

    The Bonjour functionality in mDNSResponder, iChat 3.1.6, and InstantMessage framework 428 in Apple Mac OS X 10.4.8 does not check for duplicate entries when adding newly discovered available contacts, which allows...

    CVSS5.0Published31 Jan 2007
  2. 4.8%

    The handle_regservice_request function in mDNSResponder before 625.41.2 allows remote attackers to execute arbitrary code or cause a denial of service (NULL pointer dereference) via unspecified vectors.

    CVSS9.8Published26 Jun 2016
  3. 2.5%

    Multiple buffer overflows in mDNSResponder before 625.41.2 allow remote attackers to read or write to out-of-bounds memory locations via vectors involving the (1) GetValueForIPv4Addr, (2) GetValueForMACAddr, (3)...

    CVSS9.8Published26 Jun 2016
EdgeProtect

Running Mdnsresponder? We'll keep checking.

Looking flaws up one at a time doesn't scale. Tell us what you run once, and we tell you which flaws matter to you, in what order, and keep watching for new ones.

  1. Tell us what you runPick your software from a list, or let us work it out from your website.
  2. We match it to every flawOver 400,000 published flaws, checked against your list.
  3. Ranked by real-world riskA 0 to 100 score, led by evidence criminals are using it.
  4. Told as soon as we knowAn alert by email, in the app or by webhook to your own tools.

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FAQ

Common questions, answered plainly.

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We track 3 published vulnerabilities listed under the name Mdnsresponder, across 70 versions.

None of Mdnsresponder's vulnerabilities is on the list of flaws known to be exploited today.

Create a EdgeProtect account and track Mdnsresponder. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook.