GHSA-2528-jw5q-ww88

Source

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

Import Source

https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/05/GHSA-2528-jw5q-ww88/GHSA-2528-jw5q-ww88.json

JSON Data

https://api.test.osv.dev/v1/vulns/GHSA-2528-jw5q-ww88

Aliases

CVE-2024-27354

Published

2026-05-06T17:57:10Z

Modified

2026-05-06T18:11:19Z

Severity

7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
8.7 (High) CVSS_V4 - 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 CVSS Calculator

Summary

phpseclib: guardrails needed on isPrime and randomPrime

Details

Impact

Anyone trying to generate a prime and testing the primality of a number.

Patches

https://github.com/phpseclib/phpseclib/commit/ad5dbdf2129f5e0fb644637770b7f33de8ca8575

Workarounds

Using the GMP extension would probably help, assuming that one has its own guardrails.

Resources

https://github.com/phpseclib/phpseclib/commit/ad5dbdf2129f5e0fb644637770b7f33de8ca8575 https://www.usenix.org/system/files/conference/usenixsecurity25/sec25cycle1-prepub-599-shi-bing.pdf

Database specific

{
    "cwe_ids":  [
        "CWE-400"
    ],
    "github_reviewed":  true,
    "github_reviewed_at":  "2026-05-06T17:57:10Z",
    "nvd_published_at":  null,
    "severity":  "HIGH"
}

References

Affected packages

Packagist / phpseclib/phpseclib

Package

Name: phpseclib/phpseclib
Purl: pkg:composer/phpseclib/phpseclib

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0.1.1

Fixed

1.0.23

Affected versions

0.*

0.3.0

0.3.1

0.3.5

0.3.6

0.3.7

0.3.8

0.3.9

0.3.10

1.*

1.0.0

1.0.1

1.0.2

1.0.3

1.0.4

1.0.5

1.0.6

1.0.7

1.0.8

1.0.9

1.0.10

1.0.11

1.0.12

1.0.13

1.0.14

1.0.15

1.0.16

1.0.17

1.0.18

1.0.19

1.0.20

1.0.21

1.0.22

Database specific

source

"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/05/GHSA-2528-jw5q-ww88/GHSA-2528-jw5q-ww88.json"

Packagist / phpseclib/phpseclib

Package

Name: phpseclib/phpseclib
Purl: pkg:composer/phpseclib/phpseclib

Affected ranges

Type: ECOSYSTEM
Events: Introduced

2.0.0

Fixed

2.0.47

Affected versions

2.*

2.0.0

2.0.1

2.0.2

2.0.3

2.0.4

2.0.5

2.0.6

2.0.7

2.0.8

2.0.9

2.0.10

2.0.11

2.0.12

2.0.13

2.0.14

2.0.15

2.0.16

2.0.17

2.0.18

2.0.19

2.0.20

2.0.21

2.0.22

2.0.23

2.0.24

2.0.25

2.0.26

2.0.27

2.0.28

2.0.29

2.0.30

2.0.31

2.0.32

2.0.33

2.0.34

2.0.35

2.0.36

2.0.37

2.0.38

2.0.39

2.0.40

2.0.41

2.0.42

2.0.43

2.0.44

2.0.45

2.0.46

Database specific

source

"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/05/GHSA-2528-jw5q-ww88/GHSA-2528-jw5q-ww88.json"

Packagist / phpseclib/phpseclib

Package

Name: phpseclib/phpseclib
Purl: pkg:composer/phpseclib/phpseclib

Affected ranges

Type: ECOSYSTEM
Events: Introduced

3.0.0

Fixed

3.0.36

Affected versions

3.*

3.0.0

3.0.1

3.0.2

3.0.3

3.0.4

3.0.5

3.0.6

3.0.7

3.0.8

3.0.9

3.0.10

3.0.11

3.0.12

3.0.13

3.0.14

3.0.15

3.0.16

3.0.17

3.0.18

3.0.19

3.0.20

3.0.21

3.0.22

3.0.23

3.0.33

3.0.34

3.0.35

Database specific

source

"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/05/GHSA-2528-jw5q-ww88/GHSA-2528-jw5q-ww88.json"