Yahoo vulnerabilitiesNone on the known-exploited list.

Vendor
The short answer

Yahoo has 66 published vulnerabilities across 17 products in our catalogue. None of them is on the list of flaws known to be exploited today. The most affected product is Messenger, with 33. If you run Yahoo software, patch the exploited flaws first.

See the exploited flaws

We keep watching the known-exploited list.

Products

Which Yahoo products have the most vulnerabilities?

Messenger leads with 33 published vulnerabilities. Open a product to see its versions and which of its flaws criminals are already using.

Known exploited

Which Yahoo vulnerabilities are being exploited?

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

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

Exploit likelihood

Which Yahoo 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. 40%

    Buffer overflow in the Yahoo! Webcam Upload ActiveX control in ywcupl.dll 2.0.1.4 for Yahoo!

    CVSS9.3Published11 Jun 2007
  2. 33%

    Buffer overflow in a certain ActiveX control in YVerInfo.dll before 2007.8.27.1 in the Yahoo!

    CVSS9.3Published31 Aug 2007
  3. 13%

    Stack-based buffer overflow in the YDPCTL.YDPControl.1 (aka Yahoo!

    CVSS9.3Published27 Jul 2007
  4. 12%

    Buffer overflow in the Yahoo! Webcam Viewer ActiveX control in ywcvwr.dll 2.0.1.4 for Yahoo!

    CVSS9.3Published11 Jun 2007
  5. 9.3%

    Heap-based buffer overflow in Kakadu kdu_v32m.dll in Yahoo!

    CVSS9.3Published17 Aug 2007
  6. 9.2%

    Stack-based buffer overflow in the YMP Datagrid ActiveX control (datagrid.dll) in Yahoo!

    CVSS4.3Published6 Feb 2008
  7. 8.4%

    Stack-based buffer overflow in the createAndJoinConference function in the AudioConf ActiveX control (yacscom.dll) in Yahoo!

    CVSS9.3Published6 Apr 2007
  8. 8.3%

    Buffer overflow in the Yahoo! Audio Conferencing (aka Voice Chat) ActiveX control before 1,0,0,45 allows remote attackers to cause a denial of service and possibly execute arbitrary code via a URL with a long...

    CVSS2.6Published31 Dec 2003
  9. 8.1%

    Buffer overflow in the MediaGrid ActiveX control (mediagrid.dll) in Yahoo!

    CVSS4.3Published6 Feb 2008
  10. 7.6%

    Buffer overflow in the YMP Datagrid ActiveX control (datagrid.dll) in Yahoo!

    CVSS4.3Published6 Feb 2008
Precursor Intelligence

Running Yahoo? 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.

Free plan, no card needed. Nothing to install.

FAQ

Common questions, answered plainly.

Something else? Talk to the team →

Our catalogue lists 66 published vulnerabilities across 17 products and 254 versions from Yahoo.

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

Messenger, with 33 published vulnerabilities. Its own page lists the ones known to be exploited.

Create a Precursor Intelligence account and track the Yahoo products you run. We match them against every published flaw, give each one a risk score from 0 to 100 and tell you as soon as we spot one that affects you, by email, in the app or by webhook.