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RUSTSEC-2026-0070
No affected components available
Constructing an HPKE Context with the AEAD algorithm set to
HpkeExport resulted in a panic when calling Context::seal, or
Context::open. This was due to an underflowing integer subtraction
when calculating the length of a vector allocation for the AEAD nonce,
which would panic on its own in debug mode and cause out-of-memory
abort on the allocation in release mode.
Impact
Applications that could be made to use an HPKE context configured with
HpkeExport as AEAD algorithm to open or seal a ciphertext would
crash. Other applications are unaffected.
Mitigation
Starting with version 0.6.0, an error will be returned when
attempting to call Context::seal or Context::open on an HPKE
context with HpkeExport as AEADAlgorithm.
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. No user interaction is needed for the attacker to exploit this vulnerability.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
Probability that this vulnerability will be exploited in the wild within the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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