CVE catalog
CVE-2026-3449
Versions of the package @tootallnate/once before 3.0.1 are vulnerable to Incorrect Control Flow Scoping in promise resolving when AbortSignal option is used. The Promise remains in a permanently pendi
- Severity
- Medium · CVSS 4.8
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.12% · Oct 25, 2026
A flaw was found in `@tootallnate/once`. When the `AbortSignal` option is used, a Promise can remain in a permanently pending state after the signal is aborted. This incorrect control flow scoping can lead to stalled requests, blocked workers, or degraded application availability. @tootallnate/once: @tootallnate/once: Denial of Service due to incorrect control flow scoping with AbortSignal The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
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 |
|---|---|---|---|---|
| Npm | @tootallnate/once | Not reported | 2.0.1 | fixed |
| Npm | @tootallnate/once | Not reported | 2.0.1 | fixed |
| Opensuse | python-jupyterlab-templates | tumbleweed | 0.5.2-4.1 | fixed |
| Opensuse | heroic-games-launcher | tumbleweed | 2.20.1-2.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Npm | @tootallnate/once | npm | Not reported | 2.0.1 | Not reported | GHSA-VPQ2-C234-7XJ6 | Not reported |
| Npm | @tootallnate/once | npm | Not reported | 2.0.1 | Not reported | Not reported | Not reported |
| Opensuse | python-jupyterlab-templates | rpm | tumbleweed | 0.5.2-4.1 | Not reported | OPENSUSE-SU-2026:10429-1 | Not reported |
| Opensuse | heroic-games-launcher | rpm | tumbleweed | 2.20.1-2.1 | Not reported | OPENSUSE-SU-2026:10290-1 | Not reported |
OpenFactory catalog packages
[openSUSE Tumbleweed]
- [jupyter-jupyterlab-templates]Unknown
Source package: [python-jupyterlab-templates]
Details (1)
0.5.3-2.3· noarch · tumbleweedUnknown · Fixed:
0.5.2-4.1Version impact unknown
nvd · python-jupyterlab-templates · opensuse · tumbleweed
- [python313-jupyterlab-templates]Unknown
Source package: [python-jupyterlab-templates]
Details (1)
0.5.3-2.3· noarch · tumbleweedUnknown · Fixed:
0.5.2-4.1Version impact unknown
nvd · python-jupyterlab-templates · opensuse · tumbleweed
- [python314-jupyterlab-templates]Unknown
Source package: [python-jupyterlab-templates]
Details (1)
0.5.3-2.3· noarch · tumbleweedUnknown · Fixed:
0.5.2-4.1Version impact unknown
nvd · python-jupyterlab-templates · opensuse · tumbleweed
- [heroic-games-launcher]Fixed
Source package: [heroic-games-launcher]
Details (1)
2.22.1-1.1· x86_64 · tumbleweedFixed · Fixed:
2.20.1-2.1nvd · heroic-games-launcher · opensuse · tumbleweed
Observed:
References
- [https://ftp.suse.com/pub/projects/security/]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-3449]
- [https://osv.dev/vulnerability/GHSA-vpq2-c234-7xj6]
- [https://osv.dev/vulnerability/openSUSE-SU-2026:10290-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2026:10429-1]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-3449.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2118.json]
[CERT-Bund public advisories] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]