Product by The Libreswan Project

    Libreswan

    10 known vulnerabilities in Libreswan (The Libreswan Project), 0 of them actively exploited (CISA KEV).

    Key figures

    10

    Vulnerabilities

    0

    Actively exploited (KEV)

    0

    Used by ransomware

    0

    Critical

    Vulnerabilities

    Actively exploited vulnerabilities (CISA KEV) first, then by priority. Click a column header to re-sort the table.

    Vulnerabilities in Libreswan (The Libreswan Project)
    HighCVE-2020-1763

    the libreswan Project Libreswan: Out-of-bounds Read

    also in 1 other product

    7.5
    HighCVE-2026-77206

    IKEv2 pre-authentication Null Pointer Dereference in EAP code

    also in 1 other product

    7.5
    HighCVE-2026-77207

    Null Pointer Dereference in PKCS#7 bundle with no certificates

    also in 1 other product

    7.5
    HighCVE-2026-94453

    IKEv2 Use-After-Free bug when using IKE-over-TCP

    also in 1 other product

    7.5
    HighCVE-2026-12413

    IKEv2 Denial of Service via malformed fragmentation

    also in 3 other products

    7.5
    HighCVE-2026-14957

    FIPS mode assertion failure via malicious CERT payload

    also in 1 other product

    7.5
    HighCVE-2026-50721

    IKEv1 Denial of Service via RSA-SHA1 (PKCS#1 Version 1.5 Encrypted) authentication payload

    also in 3 other products

    5.9
    HighCVE-2026-50722

    IKEv2 Denial of Service via RSA-SHA1 (PKCS#1 RSASSA-PKCS1-v1_5) authentication payload

    also in 3 other products

    5.9
    LowCVE-2026-77205

    Denial of Service via sending bogus X.509 certificates

    also in 1 other product

    3.7
    LowCVE-2019-10155

    the libreswan Project Libreswan: Improper Validation of Integrity Check Value

    also in 5 other products

    3.1

    News

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