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Test your applicationsThere is no fixed version for Ubuntu:20.04
thunderbird
.
Note: Versions mentioned in the description apply only to the upstream thunderbird
package and not the thunderbird
package as distributed by Ubuntu
.
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for Ubuntu:20.04
relevant fixed versions and status.
A double-free issue could have occurred in sec_pkcs7_decoder_start_decrypt()
when handling an error path. Under specific conditions, the same symmetric key could have been freed twice, potentially leading to memory corruption. This vulnerability affects Firefox < 133 and Thunderbird < 133.