CVE catalog

CVE-2019-14317

wolfssl: CVE-2019-14317

[CVE catalog]

Severity
Medium
Published
Source
[NVD] · [CVE record]
EPSS
1.75% · Oct 25, 2026

wolfSSL and wolfCrypt 4.1.0 and earlier (formerly known as CyaSSL) generate biased DSA nonces. This allows a remote attacker to compute the long term private key from several hundred DSA signatures via a lattice attack. The issue occurs because dsa.c fixes two bits of the generated nonces.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

DistributionPackageReleaseVersionStatus
Debianwolfsslsid5.9.2-1.2fixed
Debianwolfssltrixie5.7.2-0.1+deb13u2fixed
Debianwolfsslbookworm5.5.4-2+deb12u2fixed
Debianwolfsslbookworm-security5.5.4-2+deb12u3fixed
Ubuntuwolfssl16.043.4.8+dfsg-1vulnerable
Ubuntuwolfssl18.043.10.2+dfsg-2vulnerable
Ubuntuwolfssl18.043.12.0+dfsg-1vulnerable
Ubuntuwolfssl18.043.12.2+dfsg-1vulnerable
Ubuntuwolfssl18.043.13.0+dfsg-1vulnerable

Fixed-version evidence

DistributionPackageTypeReleaseFixed versionUrgencyOriginBugs
Debianwolfsslsourcesid4.2.0+dfsg-1not yet assignedNot reportedNot reported
Debianwolfsslsourcetrixie4.2.0+dfsg-1not yet assignedNot reportedNot reported
Debianwolfsslsourcebookworm4.2.0+dfsg-1not yet assignedNot reportedNot reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

  • Source package: [wolfssl]

    Details (4)
    • 5.5.4-2+deb12u2 · amd64 · bookworm

      Fixed · Fixed: 4.2.0+dfsg-1

      dsa · wolfssl · debian · bookworm; dsa · wolfssl · debian · 12

    • 5.5.4-2+deb12u2 · arm64 · bookworm

      Fixed · Fixed: 4.2.0+dfsg-1

      dsa · wolfssl · debian · bookworm; dsa · wolfssl · debian · 12

    • 5.5.4-2+deb12u3 · amd64 · bookworm-security

      Fixed · Fixed: 4.2.0+dfsg-1

      dsa · wolfssl · debian · bookworm; dsa · wolfssl · debian · 12

    • 5.5.4-2+deb12u3 · arm64 · bookworm-security

      Fixed · Fixed: 4.2.0+dfsg-1

      dsa · wolfssl · debian · bookworm; dsa · wolfssl · debian · 12

  • Source package: [wolfssl]

    Details (4)
    • 5.5.4-2+deb12u2 · amd64 · bookworm

      Fixed · Fixed: 4.2.0+dfsg-1

      dsa · wolfssl · debian · bookworm; dsa · wolfssl · debian · 12

    • 5.5.4-2+deb12u2 · arm64 · bookworm

      Fixed · Fixed: 4.2.0+dfsg-1

      dsa · wolfssl · debian · bookworm; dsa · wolfssl · debian · 12

    • 5.5.4-2+deb12u3 · amd64 · bookworm-security

      Fixed · Fixed: 4.2.0+dfsg-1

      dsa · wolfssl · debian · bookworm; dsa · wolfssl · debian · 12

    • 5.5.4-2+deb12u3 · arm64 · bookworm-security

      Fixed · Fixed: 4.2.0+dfsg-1

      dsa · wolfssl · debian · bookworm; dsa · wolfssl · debian · 12

[Debian 13 (Trixie)]

  • Source package: [wolfssl]

    Details (2)
    • 5.7.2-0.1+deb13u1 · amd64 · trixie

      Fixed · Fixed: 4.2.0+dfsg-1

      dsa · wolfssl · debian · 13

    • 5.7.2-0.1+deb13u1 · arm64 · trixie

      Fixed · Fixed: 4.2.0+dfsg-1

      dsa · wolfssl · debian · 13

  • Source package: [wolfssl]

    Details (2)
    • 5.7.2-0.1+deb13u1 · amd64 · trixie

      Fixed · Fixed: 4.2.0+dfsg-1

      dsa · wolfssl · debian · 13

    • 5.7.2-0.1+deb13u1 · arm64 · trixie

      Fixed · Fixed: 4.2.0+dfsg-1

      dsa · wolfssl · debian · 13

Observed:

References