CVE catalog
CVE-2026-97152
Nanomsg versions 0.5-beta through 1.x before 1.2.3 has a remotely exploitable buffer overflow in the WebSocket transport, due to an unchecked copy of the Sec-WebSocket-Version header, through snprintf
- Severity
- Critical · CVSS 9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 0.31% · Oct 25, 2026
Nanomsg versions 0.5-beta through 1.x before 1.2.3 has a remotely exploitable buffer overflow in the WebSocket transport, due to an unchecked copy of the Sec-WebSocket-Version header, through snprintf.
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 | nanomsg | sid | 1.1.5+dfsg-1.2 | vulnerable |
| Debian | nanomsg | forky | 1.1.5+dfsg-1.2 | vulnerable |
| Debian | nanomsg | trixie | 1.1.5+dfsg-1.1 | vulnerable |
| Debian | nanomsg | bookworm | 1.1.5+dfsg-1.1 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | nanomsg | source | sid | (unfixed) | not yet assigned | Not reported | [1148968] |
| Debian | nanomsg | source | forky | (unfixed) | not yet assigned | Not reported | [1148968] |
| Debian | nanomsg | source | trixie | (unfixed) | not yet assigned | Not reported | [1148968] |
| Debian | nanomsg | source | bookworm | (unfixed) | not yet assigned | Not reported | [1148968] |
Notes
[trixie] nanomsg: Minor issue [bookworm] nanomsg: Minor issue; ws:// listeners only, fortified build turns overflow into an abort
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libnanomsg5]Affected
Source package: [nanomsg]
Details (2)
1.1.5+dfsg-1.1· arm64 · bookwormAffected
nvd · nanomsg · debian · bookworm; nvd · nanomsg · debian · 12
1.1.5+dfsg-1.1+b1· amd64 · bookwormAffected
nvd · nanomsg · debian · bookworm; nvd · nanomsg · debian · 12
- [libnanomsg-dev]Affected
Source package: [nanomsg]
Details (2)
1.1.5+dfsg-1.1· arm64 · bookwormAffected
nvd · nanomsg · debian · bookworm; nvd · nanomsg · debian · 12
1.1.5+dfsg-1.1+b1· amd64 · bookwormAffected
nvd · nanomsg · debian · bookworm; nvd · nanomsg · debian · 12
- [nanomsg-utils]Affected
Source package: [nanomsg]
Details (2)
1.1.5+dfsg-1.1· arm64 · bookwormAffected
nvd · nanomsg · debian · bookworm; nvd · nanomsg · debian · 12
1.1.5+dfsg-1.1+b1· amd64 · bookwormAffected
nvd · nanomsg · debian · bookworm; nvd · nanomsg · debian · 12
[Debian 13 (Trixie)]
- [libnanomsg5]Affected
Source package: [nanomsg]
Details (2)
1.1.5+dfsg-1.1+b1· amd64 · trixieAffected
nvd · nanomsg · debian · 13
1.1.5+dfsg-1.1+b1· arm64 · trixieAffected
nvd · nanomsg · debian · 13
- [libnanomsg-dev]Affected
Source package: [nanomsg]
Details (2)
1.1.5+dfsg-1.1+b1· amd64 · trixieAffected
nvd · nanomsg · debian · 13
1.1.5+dfsg-1.1+b1· arm64 · trixieAffected
nvd · nanomsg · debian · 13
- [nanomsg-utils]Affected
Source package: [nanomsg]
Details (2)
1.1.5+dfsg-1.1+b1· amd64 · trixieAffected
nvd · nanomsg · debian · 13
1.1.5+dfsg-1.1+b1· arm64 · trixieAffected
nvd · nanomsg · debian · 13
Observed:
References
- [https://nvd.nist.gov/vuln/detail/CVE-2026-97152]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-97152]
- [https://security-tracker.debian.org/tracker/CVE-2026-97152]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-97152.json]
[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]