Detections
Analytics

SCA: security update for phpseclib/phpseclib (GHSA-2528-jw5q-ww88)

high Tenable Cloud Security Plugin ID 441273

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - An issue was discovered in phpseclib 1.x before 1.0.23, 2.x before 2.0.47, and 3.x before 3.0.36. An
 attacker can construct a malformed certificate containing an extremely large prime to cause a denial of
 service (CPU consumption for an isPrime primality check). NOTE: this issue was introduced when attempting
 to fix CVE-2023-27560. (CVE-2024-27354)

Solution

Update the phpseclib/phpseclib library and its related packages to version 1.0.23 or later.

See Also

https://github.com/advisories/GHSA-2528-jw5q-ww88

Plugin Details

Severity: High

ID: 441273

Version: Revision 1.3

Type: Local

Family: SCA Checks

Published: 5/6/2026

Updated: 6/1/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.51

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2024-27354

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:N/I:N/A:H

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:N/VI:N/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 5/6/2026

Vulnerability Publication Date: 3/1/2024

Reference Information

CVE: CVE-2024-27354

cwe: CWE-400