Google emepụtala mmelite na Chrome 91.0.4472.101, nke na-edozi adịghị ike 14, gụnyere nsogbu CVE-2021-30551, nke ndị na-awakpo na-eji na-erigbu (0-ụbọchị). Ekwuputabeghị nkọwapụta, naanị anyị maara na adịghị ike na-akpata site na njikwa ụdị na-ezighi ezi (Ụdị mgbagwoju anya) na V8 JavaScript engine.
Ụdị ọhụrụ ahụ na-ewepụkwa ihe ọghọm ọzọ dị ize ndụ CVE-2021-30544, kpatara site na ịnweta ebe nchekwa mgbe ọ tọhapụrụ ya (eji ya emechaa n'efu) na cache mgbanwe (BFCache, Back-forward cache), eji maka mgbanwe ozugbo mgbe ị na-eji "Back". "bọtịnụ" na "Gaa n'ihu" ma ọ bụ mgbe ị na-agagharị na ibe ndị eleleburu nke saịtị dị ugbu a. Enyerela nsogbu ahụ ọkwa dị oke egwu, ya bụ. E gosiputara na adịghị ike ahụ na-enye gị ohere ịgafe ọkwa niile nke nchekwa ihe nchọgharị wee zuo oke iji mebie koodu na sistemụ na-abụghị ebe igbe igbe.
isi: opennet.ru