A tanker operating off the coast of Oman reported an explosion near the vessel, according to a live update from the Times of Israel.
The incident adds to a growing list of maritime security concerns in the region, compounding fears for global energy supply chains.
Another vessel reported hearing an explosion in the southern Red Sea, further highlighting the breadth of the security threat.
Brent crude prices remained under pressure as traders assessed the latest threat to shipping lanes.
The market has been volatile following reports of an oil tanker exploding in the Strait of Hormuz after striking a naval mine, a development attributed to Iran's Islamic Revolutionary Guard Corps-linked Tasnim news agency.
Another vessel reported hearing an explosion in the southern Red Sea, further highlighting the breadth of the security threat.
The recurring nature of these incidents suggests a sustained campaign against commercial shipping, rather than isolated events.