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8 vulnerabilities found for jwcrypto by latchset
CVE-2026-39373 (GCVE-0-2026-39373)
Vulnerability from nvd – Published: 2026-04-07 19:35 – Updated: 2026-04-07 20:22
VLAI
Title
JWCrypto: JWE ZIP decompression bomb
Summary
JWCrypto implements JWK, JWS, and JWE specifications using python-cryptography. Prior to 1.5.7, an unauthenticated attacker can exhaust server memory by sending crafted JWE tokens with ZIP compression. The existing patch for CVE-2024-28102 limits input token size to 250KB but does not validate the decompressed output size. An unauthenticated attacker can cause memory exhaustion on memory-constrained systems. A token under the 250KB input limit can decompress to approximately 100MB. This vulnerability is fixed in 1.5.7.
Severity
5.3 (Medium)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-409 - Improper Handling of Highly Compressed Data (Data Amplification)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/latchset/jwcrypto/security/adv… | x_refsource_CONFIRM |
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CVE-2024-28102 (GCVE-0-2024-28102)
Vulnerability from nvd – Published: 2024-03-06 21:09 – Updated: 2024-09-09 13:06
VLAI
Title
JWCrypto vulnerable to JWT bomb Attack in `deserialize` function
Summary
JWCrypto implements JWK, JWS, and JWE specifications using python-cryptography. Prior to version 1.5.6, an attacker can cause a denial of service attack by passing in a malicious JWE Token with a high compression ratio. When the server processes this token, it will consume a lot of memory and processing time. Version 1.5.6 fixes this vulnerability by limiting the maximum token length.
Severity
6.8 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
4 references
Impacted products
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CVE-2023-6681 (GCVE-0-2023-6681)
Vulnerability from nvd – Published: 2024-02-12 14:04 – Updated: 2026-02-26 20:34
VLAI
Title
Jwcrypto: denail of service via specifically crafted jwe
Summary
A vulnerability was found in JWCrypto. This flaw allows an attacker to cause a denial of service (DoS) attack and possible password brute-force and dictionary attacks to be more resource-intensive. This issue can result in a large amount of computational consumption, causing a denial of service attack.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2024:3267 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2024:9281 | vendor-advisoryx_refsource_REDHAT |
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| https://bugzilla.redhat.com/show_bug.cgi?id=2260843 | issue-trackingx_refsource_REDHAT |
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected:
8100020240417004735.143e9e98 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:8::appstream |
|
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected:
8100020240416171943.823393f5 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:8::appstream |
|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:1.5.6-2.el9 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:9::appstream |
|
| Red Hat | Red Hat Ansible Automation Platform 2 |
cpe:/a:redhat:ansible_automation_platform:2 |
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7 |
Date Public
2023-12-28 00:00
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CVE-2016-6298 (GCVE-0-2016-6298)
Vulnerability from nvd – Published: 2016-09-01 23:00 – Updated: 2024-08-06 01:22
VLAI
Summary
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).
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/latchset/jwcrypto/issues/65 | x_refsource_CONFIRM |
| https://github.com/latchset/jwcrypto/pull/66 | x_refsource_CONFIRM |
| http://www.securityfocus.com/bid/92729 | vdb-entryx_refsource_BID |
| https://github.com/latchset/jwcrypto/releases/tag… | x_refsource_CONFIRM |
| https://github.com/latchset/jwcrypto/commit/eb5be… | x_refsource_CONFIRM |
Date Public
2016-08-31 00:00
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CVE-2026-39373 (GCVE-0-2026-39373)
Vulnerability from cvelistv5 – Published: 2026-04-07 19:35 – Updated: 2026-04-07 20:22
VLAI
Title
JWCrypto: JWE ZIP decompression bomb
Summary
JWCrypto implements JWK, JWS, and JWE specifications using python-cryptography. Prior to 1.5.7, an unauthenticated attacker can exhaust server memory by sending crafted JWE tokens with ZIP compression. The existing patch for CVE-2024-28102 limits input token size to 250KB but does not validate the decompressed output size. An unauthenticated attacker can cause memory exhaustion on memory-constrained systems. A token under the 250KB input limit can decompress to approximately 100MB. This vulnerability is fixed in 1.5.7.
Severity
5.3 (Medium)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-409 - Improper Handling of Highly Compressed Data (Data Amplification)
Assigner
References
1 reference
| URL | Tags |
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| https://github.com/latchset/jwcrypto/security/adv… | x_refsource_CONFIRM |
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CVE-2024-28102 (GCVE-0-2024-28102)
Vulnerability from cvelistv5 – Published: 2024-03-06 21:09 – Updated: 2024-09-09 13:06
VLAI
Title
JWCrypto vulnerable to JWT bomb Attack in `deserialize` function
Summary
JWCrypto implements JWK, JWS, and JWE specifications using python-cryptography. Prior to version 1.5.6, an attacker can cause a denial of service attack by passing in a malicious JWE Token with a high compression ratio. When the server processes this token, it will consume a lot of memory and processing time. Version 1.5.6 fixes this vulnerability by limiting the maximum token length.
Severity
6.8 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
4 references
Impacted products
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CVE-2023-6681 (GCVE-0-2023-6681)
Vulnerability from cvelistv5 – Published: 2024-02-12 14:04 – Updated: 2026-02-26 20:34
VLAI
Title
Jwcrypto: denail of service via specifically crafted jwe
Summary
A vulnerability was found in JWCrypto. This flaw allows an attacker to cause a denial of service (DoS) attack and possible password brute-force and dictionary attacks to be more resource-intensive. This issue can result in a large amount of computational consumption, causing a denial of service attack.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2024:3267 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2024:9281 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2023-6681 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2260843 | issue-trackingx_refsource_REDHAT |
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected:
8100020240417004735.143e9e98 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:8::appstream |
|
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected:
8100020240416171943.823393f5 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:8::appstream |
|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:1.5.6-2.el9 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:9::appstream |
|
| Red Hat | Red Hat Ansible Automation Platform 2 |
cpe:/a:redhat:ansible_automation_platform:2 |
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7 |
Date Public
2023-12-28 00:00
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CVE-2016-6298 (GCVE-0-2016-6298)
Vulnerability from cvelistv5 – Published: 2016-09-01 23:00 – Updated: 2024-08-06 01:22
VLAI
Summary
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).
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/latchset/jwcrypto/issues/65 | x_refsource_CONFIRM |
| https://github.com/latchset/jwcrypto/pull/66 | x_refsource_CONFIRM |
| http://www.securityfocus.com/bid/92729 | vdb-entryx_refsource_BID |
| https://github.com/latchset/jwcrypto/releases/tag… | x_refsource_CONFIRM |
| https://github.com/latchset/jwcrypto/commit/eb5be… | x_refsource_CONFIRM |
Date Public
2016-08-31 00:00
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