Detections
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RockyLinux 10 : python-jwcrypto (RLSA-2026:19042)
medium Nessus Plugin ID 318294
Synopsis
The remote RockyLinux host is missing a security update.Description
The remote RockyLinux 10 host has a package installed that is affected by a vulnerability as referenced in the RLSA-2026:19042 advisory.* JWCrypto: python-cryptography: python: JWCrypto: Memory exhaustion via crafted compressed JWE tokens (CVE-2026-39373)
Tenable has extracted the preceding description block directly from the RockyLinux security advisory.
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.
Solution
Update the affected python3-jwcrypto package.See Also
Plugin Details
Severity: Medium
ID: 318294
File Name: rocky_linux_RLSA-2026-19042.nasl
Version: 1.1
Type: Local
Published: 6/3/2026
Updated: 6/3/2026
Supported Sensors: Nessus Agent, Continuous Assessment, Nessus
Risk Information
VPR
Risk Factor: Low
Score: 2.2
CVSS v2
Risk Factor: High
Base Score: 7.8
Temporal Score: 6.1
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C
CVSS Score Source: CVE-2026-39373
CVSS v3
Risk Factor: Medium
Base Score: 5.3
Temporal Score: 4.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:rocky:linux:10, p-cpe:/a:rocky:linux:python3-jwcrypto
Required KB Items: Host/local_checks_enabled, Host/cpu, Host/RockyLinux/release, Host/RockyLinux/rpm-list
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 5/29/2026
Vulnerability Publication Date: 4/7/2026
Reference Information
CVE: CVE-2026-39373