CVE-2025-62291

Name
CVE-2025-62291
Description
In the eap-mschapv2 plugin (client-side) in strongSwan before 6.0.3, a malicious EAP-MSCHAPv2 server can send a crafted message of size 6 through 8, and cause an integer underflow that potentially results in a heap-based buffer overflow.
NVD Severity
unknown
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
cve@mitre.org https://github.com/strongswan/strongswan/commits/master/src/libcharon/plugins/eap_mschapv2
cve@mitre.org https://github.com/strongswan/strongswan/releases
cve@mitre.org https://www.strongswan.org/blog/2025/10/27/strongswan-vulnerability-%28cve-2025-62291%29.html
af854a3a-2127-422b-91ae-364da2661108 https://lists.debian.org/debian-lts-announce/2025/11/msg00002.html

Match rules

CPE URI Source package Min version Max version
strongswan >= 4.2.12 < 6.0.3

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
strongswan edge-main 5.9.14-r3 Natanael Copa <ncopa@alpinelinux.org> fixed
strongswan edge-main 5.9.14-r2 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
strongswan edge-main 5.9.14-r1 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
strongswan edge-main 5.9.14-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
strongswan edge-main 5.9.12-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
strongswan edge-main 5.9.10-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
strongswan edge-main 5.9.8-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
strongswan edge-main 5.9.1-r4 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
strongswan edge-main 5.9.1-r3 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
strongswan edge-main 5.7.1-r0 None possibly vulnerable
strongswan edge-main 5.7.0-r0 None possibly vulnerable
strongswan edge-main 5.6.3-r0 None possibly vulnerable
strongswan edge-main 5.5.3-r0 None possibly vulnerable
strongswan 3.23-main 5.9.14-r3 Natanael Copa <ncopa@alpinelinux.org> fixed
strongswan 3.22-main 5.9.14-r1 Natanael Copa <ncopa@alpinelinux.org> fixed
strongswan 3.22-main 5.9.14-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
strongswan 3.22-main 5.9.12-r0 None possibly vulnerable
strongswan 3.22-main 5.9.10-r0 None possibly vulnerable
strongswan 3.22-main 5.9.8-r0 None possibly vulnerable
strongswan 3.22-main 5.9.1-r4 None possibly vulnerable
strongswan 3.22-main 5.9.1-r3 None possibly vulnerable
strongswan 3.22-main 5.7.1-r0 None possibly vulnerable
strongswan 3.22-main 5.7.0-r0 None possibly vulnerable
strongswan 3.22-main 5.6.3-r0 None possibly vulnerable
strongswan 3.22-main 5.5.3-r0 None possibly vulnerable
strongswan 3.21-main 5.9.14-r1 Natanael Copa <ncopa@alpinelinux.org> fixed
strongswan 3.21-main 5.9.14-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
strongswan 3.21-main 5.9.12-r0 None possibly vulnerable
strongswan 3.21-main 5.9.10-r0 None possibly vulnerable
strongswan 3.21-main 5.9.8-r0 None possibly vulnerable
strongswan 3.21-main 5.9.1-r4 None possibly vulnerable
strongswan 3.21-main 5.9.1-r3 None possibly vulnerable
strongswan 3.21-main 5.7.1-r0 None possibly vulnerable
strongswan 3.21-main 5.7.0-r0 None possibly vulnerable
strongswan 3.21-main 5.6.3-r0 None possibly vulnerable
strongswan 3.21-main 5.5.3-r0 None possibly vulnerable
strongswan 3.20-main 5.9.13-r2 Natanael Copa <ncopa@alpinelinux.org> fixed
strongswan 3.20-main 5.9.13-r1 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
strongswan 3.20-main 5.9.12-r0 None possibly vulnerable
strongswan 3.20-main 5.9.10-r0 None possibly vulnerable
strongswan 3.20-main 5.9.8-r0 None possibly vulnerable
strongswan 3.20-main 5.9.1-r4 None possibly vulnerable
strongswan 3.20-main 5.9.1-r3 None possibly vulnerable
strongswan 3.20-main 5.7.1-r0 None possibly vulnerable
strongswan 3.20-main 5.7.0-r0 None possibly vulnerable
strongswan 3.20-main 5.6.3-r0 None possibly vulnerable
strongswan 3.20-main 5.5.3-r0 None possibly vulnerable
strongswan 3.19-main 5.9.12-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
strongswan 3.19-main 5.9.10-r0 None possibly vulnerable
strongswan 3.19-main 5.9.8-r0 None possibly vulnerable
strongswan 3.19-main 5.9.1-r4 None possibly vulnerable
strongswan 3.19-main 5.9.1-r3 None possibly vulnerable
strongswan 3.19-main 5.7.1-r0 None possibly vulnerable
strongswan 3.19-main 5.7.0-r0 None possibly vulnerable
strongswan 3.19-main 5.6.3-r0 None possibly vulnerable
strongswan 3.19-main 5.5.3-r0 None possibly vulnerable