CVE catalog

CVE-2016-6298

python-jwcrypto: CVE-2016-6298

[CVE catalog]

Severity
Low · CVSS 3.7CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Published
Source
[NVD] · [CVE record]
EPSS
2.25% · Oct 27, 2026

The _Rsa15 class in the RSA 1.5 algorithm implementation in jwa.py in jwcrypto before 0.3.2 lacks the Random Filling protection mechanism, which makes it easier for remote attackers to obtain cleartext data via a Million Message Attack (MMA).

Vulnerable and fixed packages

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

DistributionPackageReleaseVersionStatus
Debianpython-jwcryptosid1.5.6-1.2fixed
Debianpython-jwcryptoforky1.5.6-1.2fixed
Debianpython-jwcryptotrixie1.5.6-1.1~deb13u1fixed
Debianpython-jwcryptobookworm1.1.0-1+deb12u1fixed
Ubuntupython-jwcrypto16.040.2.1-1vulnerable

Fixed-version evidence

DistributionPackageTypeReleaseFixed versionUrgencyOriginBugs
Debianpython-jwcryptosourcesid0.3.2-1not yet assignedNot reportedNot reported
Debianpython-jwcryptosourceforky0.3.2-1not yet assignedNot reportedNot reported
Debianpython-jwcryptosourcetrixie0.3.2-1not yet assignedNot reportedNot reported
Debianpython-jwcryptosourcebookworm0.3.2-1not yet assignedNot reportedNot reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

  • Source package: [python-jwcrypto]

    Details (2)
    • 1.1.0-1+deb12u1 · all · bookworm

      Fixed · Fixed: 0.3.2-1

      dsa · python-jwcrypto · debian · bookworm; dsa · python-jwcrypto · debian · 12

    • 1.1.0-1+deb12u1 · all · bookworm

      Fixed · Fixed: 0.3.2-1

      dsa · python-jwcrypto · debian · bookworm; dsa · python-jwcrypto · debian · 12

[Debian 13 (Trixie)]

  • Source package: [python-jwcrypto]

    Details (2)
    • 1.5.6-1.1~deb13u1 · all · trixie

      Fixed · Fixed: 0.3.2-1

      dsa · python-jwcrypto · debian · 13

    • 1.5.6-1.1~deb13u1 · all · trixie

      Fixed · Fixed: 0.3.2-1

      dsa · python-jwcrypto · debian · 13

Observed:

References