Narrated Jabir bin ‘Abdullah :
That during the Year of the Conquest, while he was in Makkah, he heard the Messenger of Allah (ﷺ) saying: Indeed Allah and His Messenger unlawful the sale of wine, dead carcasses, the pig, and idols. They said: O Messenger of Allah! What about the fat of carcasses? For indeed it is used to coat the ships, skins are oiled with it, and people use it for lamps? He said: No. It is unlawful. Then, with that, the Messenger of Allah (ﷺ) said: May Allah fight (curse) the Jews! Indeed Allah made the fat unlawful for them, they melted it, sold it, and consumed its price.
[He said:] There are narrations of this topic from 'Umar and Ibn 'Abbas.
[Abu 'Eisa said:] The Hadith of Jabir is Hasan Sahih Hadith. This is acted upon according to the people of knowledge.