There is a bug in the software.

软件出了故障。

《柯林斯英汉双解大词典》

Suppose you are a computer hacker and you discover a bug in a piece of software that, if it were known to the bad guys, would enable them to steal money or even a person's identity.

假设你是一个电脑黑客，并且发现了一款软件中的漏洞，你知道如果这个漏洞被某些坏人所用，就可以窃取金钱甚至个人身份。

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The term static analysis is often equated with the idea of automated bug searching in software.

人们通常将静态分析 这个术语与软件中的自动化错误搜索的概念等同起来。

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Could the anomaly stem from a bug in the software used to predict the probes' trajectories?

ECONOMIST: A space oddity

Asked whether the UCITA covers issues that arise when hackers use a bug in a software product to harm end-user organizations, Miller answered no.

CNN: Opponents blast proposed U.S. software law

The failure of the ES on that flight to Newark makes me wonder whether there is still a bug in the ES software.

FORBES: Can Boeing Contain the Dreamliner's Technical Glitches?