Pypi · Jwcrypto · CVE-2026-80179
**Name of the Vulnerable Software and Affected Versions**
jwcrypto (affected versions not specified)
**Description**
A flaw allows a remote attacker to cause a denial of service (DoS) by sending a specially crafted JSON Web Encryption (JWE) token containing numerous period delimiters. This malformed token forces the `JWE.deserialize()` function to allocate excessive memory, resulting in a `MemoryError` for services processing untrusted JWE values.
**Recommendations**
At the moment, there is no information about a newer version that contains a fix for this vulnerability.