Vulnerability Database · Debian · Package report
python-jwcrypto: vulnerability history, versions and safety
python-jwcrypto is a package in the Debian ecosystem. Vulert records 8 vulnerabilities for it across 10 releases, from Sep 2016 to Aug 2026. Each vulnerability names the versions it affects, the fixed version to move to, and a workaround where no fix has been published.
No patched version yet — these are the ones to plan around.
See the unfixed vulnerabilities →No published version shipped hostile code.
Vulert verdict on python-jwcrypto i
Updated on 22 Oct 2026
Careful: 3 of the 8 vulnerabilities Vulert records for this package have no fix yet. Plan around those, or apply the workaround listed for each. The rest have a fixed version to move to.
What to do: Plan around the 3 vulnerabilities with no published fix: each lists the affected range and any workaround that reduces exposure. No fix yet: Vulert alerts you the moment one is published. Monitor it with Vulert →
- Vulnerabilities on record 8 over 9 years · 2 in the last year i
- Latest disclosure 28 Aug 2026 i
- Highest CVSS 5.9 i
- With no published fix 3 i
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01 Versions
Which versions are affected
Every version Vulert holds for python-jwcrypto, newest first, with the vulnerabilities that name it. A version with a count of zero has no recorded vulnerabilities; open a version to see the vulnerabilities it is exposed to.
| Version | Vulert vulnerabilities | Fix published | Details |
|---|---|---|---|
| 1.5.6-1.2 | U1 | No | Details → |
| 1.5.6-1.1 | U1 | No | Details → |
| 1.5.6-1.1~deb13u1 | U1 | No | Details → |
| 1.5.6-1 | U3 | No | Details → |
| 1.5.4-1 | U3 | No | Details → |
| 1.1.0-1 | U3 | No | Details → |
| 1.0.0-2 | U3 | No | Details → |
| 1.0.0-1 | U3 | No | Details → |
| 0.8.0-1 | U6 | No | Details → |
| 0.8.0-1+deb11u1 | U3 | No | Details → |
Newest 10 of 10 versions on record. Severity counts are the vulnerabilities recorded against that exact release.
02 Disclosure history
How often vulnerabilities are recorded
Counted by the year Vulert recorded each vulnerability — the same date the table below shows as disclosed. 2 of the 8 were recorded in the last 12 months.
03 Vulnerabilities
Recorded vulnerabilities for python-jwcrypto
| Vulnerability | Severity | Fixed version ↓ | Disclosed ↓ |
|---|---|---|---|
| Denial of Service Vulnerability in python-jwcrypto due to Malformed JWE Tokens | 5.9 medium | No fix published | 28 Aug 2026 |
| Critical Vulnerability in Python jwcrypto Package: Lack of Random Filling Protection | 5.3 medium | 0.3.2-1 | 01 Sep 2016 |
| Denial of Service Vulnerability in python-jwcrypto: CVE-2023-6681 | 5.3 medium | No fix published | 12 Feb 2024 |
| Memory Exhaustion Vulnerability in python-jwcrypto: CVE-2026-39373 | 5.3 medium | No fix published | 07 Apr 2026 |
| Security Update for python-jwcrypto Package | N/A unrated | 0.8.0-1+deb11u1 | 09 Sep 2024 |
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Updated: 22/Oct/2026 · Vulnerabilities in our DB: 524173
