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GLSA-202511-07 : librnp: Weak random number generation

high Nessus Plugin ID 276919

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Description

The remote host is affected by the vulnerability described in GLSA-202511-07 (librnp: Weak random number generation)

 The affected librnp version generated weak session keys for its public key encryption (PKESK) mode.

Tenable has extracted the preceding description block directly from the Gentoo Linux 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

All librnp users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot
--verbose >=dev-util/librnp-0.18.1 If sensitive information was sent using e.g. Thunderbird (with USE=system- librnp, the default), it should be considered potentially viewable by an attacker.

See Also

https://security.gentoo.org/glsa/202511-07

https://bugs.gentoo.org/show_bug.cgi?id=966299

Plugin Details

Severity: High

ID: 276919

File Name: gentoo_GLSA-202511-07.nasl

Version: 1.1

Type: local

Published: 11/26/2025

Updated: 11/26/2025

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:N/A:N

CVSS Score Source: CVE-2025-13470

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 8.7

Threat Score: 6.6

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Vulnerability Information

CPE: cpe:/o:gentoo:linux, p-cpe:/a:gentoo:linux:librnp

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Exploit Ease: No known exploits are available

Patch Publication Date: 11/26/2025

Vulnerability Publication Date: 11/21/2025

Reference Information

CVE: CVE-2025-13470