The phrase "a bug that can" is correct and usable in written English.
It can be used when describing a specific type of bug or issue that has the potential to perform a certain action or cause a particular effect.
Example: "We discovered a bug that can cause the application to crash unexpectedly during peak usage times."
Alternatives: "an issue that can" or "a flaw that can".
The endpoint of the evolution of resistance is a bug that can shrug off all currently available antibiotics, making it totally drug-resistant — T.D.R.-TB.
You'll want to download from the Web site (www.microsoft.com /games/crimsonskies/downloads.asp) a file that fixes a bug that can make the settings disappear for your customized plane.
Nokia, a casualty of the rise of Apple and Android, this week launched its new Lumia 900 smartphone in America, only to notify users about a bug that can shut down the device's internet connection.
There may be no natural organism that turns A (the raw material, glucose) into D (the finished product); but find a bug that can make A into B, another that can make B into C, and a third that can make C into D and you are in business.
Now he's making another bid for the spotlight by revealing a bug that can crash the iPhone and, he says, other devices including iPods and Apple computers.
Find a bug that can make a 3DS do certain things it's not supposed to and Nintendo will cough up anywhere from 100 bucks to $20,000.
Hints that this might be true came 3 years ago, when scientists in Sweden sequenced the genome of Rickettsia prowazekii, a typhus-causing bug that can survive only in the cells of its insect hosts and the animals it infects, like humans.
Dr. Stebbins, a Yale-educated physicist turned molecular biologist, specializes in salmonella, the nasty bug that can cause not just food poisoning but also typhoid fever.
It's a relatively simple bug — but, with a codebase as big and complicated as Facebook's, it's exactly the kind of bug that can go unnoticed for ages, and the kind of bug that bounty programs can help unearth before too much damage is done.
Rats carry a host of bugs that can be passed on to humans, causing disease.
While surveying the depths of an abandoned copper mine, a team of scientists has detected a microbe that survives in some of the most acidic waters on Earth, at a seemingly impossible pH near 0. That makes this critter, a member of the microbial kingdom Archaea, one of a few record-setting bugs that can survive in conditions usually toxic to life as we know it.
