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  • Bug#1108789: mbedtls: CVE-2025-49087: Timing side-channel in block ciph

    From Salvatore Bonaccorso@21:1/5 to All on Sat Jul 5 09:50:01 2025
    Source: mbedtls
    Version: 3.6.3-1
    Severity: important
    Tags: security upstream
    X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]>

    Hi,

    The following vulnerability was published for mbedtls.

    CVE-2025-49087[0]:
    | Timing side-channel in block cipher decryption with PKCS#7 padding


    If you fix the vulnerability please also make sure to include the
    CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

    For further information see:

    [0] https://security-tracker.debian.org/tracker/CVE-2025-49087
    https://www.cve.org/CVERecord?id=CVE-2025-49087
    [1] https://github.com/Mbed-TLS/mbedtls-docs/blob/main/security-advisories/mbedtls-security-advisory-2025-06-5.md

    Please adjust the affected versions in the BTS as needed.

    Regards,
    Salvatore

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