CVE catalog
CVE-2026-95616
An integer overflow in WSS4J's DER bounds check lets an oversized allocation pass validation. An unauthenticated attacker can send a SOAP message carrying an X.509 certificate whose SubjectKeyIdentifi
- Severity
- High · CVSS 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 0.41% · Oct 25, 2026
An integer overflow in WSS4J's DER bounds check lets an oversized allocation pass validation. An unauthenticated attacker can send a SOAP message carrying an X.509 certificate whose SubjectKeyIdentifier extension declares a length of 0x7FFFFFFF; WSS4J decodes this while resolving the signature's key reference, before the message is authenticated, so an eleven-byte extension triggers a 2 GB allocation. Repeated requests exhaust server memory. Users are recommended to upgrade to versions 4.0.2 or 3.0.6 or 2.4.4, which fix this issue.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | wss4j | sid | 1.6.19-4 | vulnerable |
| Debian | wss4j | forky | 1.6.19-4 | vulnerable |
| Debian | wss4j | trixie | 1.6.19-4 | vulnerable |
| Debian | wss4j | bookworm | 1.6.19-3 | vulnerable |
| Cpe | wss4j | Not reported | 4.0.2 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | wss4j | source | sid | (unfixed) | not yet assigned | Not reported | [1149856] |
| Debian | wss4j | source | forky | (unfixed) | not yet assigned | Not reported | [1149856] |
| Debian | wss4j | source | trixie | (unfixed) | not yet assigned | Not reported | [1149856] |
| Debian | wss4j | source | bookworm | (unfixed) | not yet assigned | Not reported | [1149856] |
| Cpe | wss4j | cpe | Not reported | 4.0.2 | Not reported | NVD-CVE-2026-95616 | Not reported |
Notes
[trixie] wss4j: Minor issue [bookworm] wss4j: Minor issue
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libwss4j-java]Affected
Source package: [wss4j]
Details (2)
1.6.19-3· all · bookwormAffected
nvd · wss4j · debian · bookworm; nvd · wss4j · debian · 12
1.6.19-3· all · bookwormAffected
nvd · wss4j · debian · bookworm; nvd · wss4j · debian · 12
[Debian 13 (Trixie)]
- [libwss4j-java]Affected
Source package: [wss4j]
Details (2)
1.6.19-4· all · trixieAffected
nvd · wss4j · debian · 13
1.6.19-4· all · trixieAffected
nvd · wss4j · debian · 13
Observed: