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Crypto++ (aka cryptopp and libcrypto++) 5.6.4 contained a bug in its ASN.1 BER decoding routine. The library will allocate a memory block based on the length field of the ASN.1 object. If there is not enough content octets in the ASN.1 object, then the function will fail and the memory block will be zeroed even if its unused. There is a noticeable delay during the wipe for a large allocation.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade libcrypto++ | Dec 27, 2016 | Dec 26, 2016 |
| Suse | — | Upgrade libcryptopp-develUpgrade libcryptopp5_6_5Upgrade libcryptopp5_6_5-32bit | Oct 7, 2021 | Dec 26, 2016 |
| Ubuntu | — | Upgrade libcrypto++ | Nov 19, 2024 | Jan 30, 2017 |
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