CVE-2026-32319 json
Ella Core: Unauthenticated AMF DoS via malformed InitialUEMessage with undersized integrity-protected NAS payload
published 2026-03-12 7 mo ago modified 2026-06-17 4 mo ago also GHSA-m9pm-w3gv-c68f , GO-2026-4692 , EUVD-2026-11722
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 28%
- public exploits
- 0
- none known
Summary
Ella Core is a 5G core designed for private networks. Prior to 1.5.1, Ella Core panics when processing a malformed integrity protected NGAP/NAS message with a length under 7 bytes. An attacker able to send crafted NAS messages to Ella Core can crash the process, causing service disruption for all connected subscribers. No authentication is required. This vulnerability is fixed in 1.5.1.
Patch / fix
- go github.com/ellanetworks/core 1.5.1
- ellanetworks ella_core 1.5.1
- govulncheck-vulndb openSUSE Leap 15.6 0.0.20260317T205859-150000.1.152.1
suse advisories SUSE-SU-2026:1042-1
- govulncheck-vulndb openSUSE Leap 16.0 0.0.20260723T184607-160000.1.1
opensuse advisories openSUSE-SU-2026:21483-1
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 7 mo ago
Exploit prediction
0.35% chance of exploitation in the next 30 days, higher than 28% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| GitHub | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| go | github.com/ellanetworks/core | <1.5.1 |
1.5.1 |
Affected products
- ellanetworks core
Classification
- Weakness
-
- CWE-125 Out-of-bounds Read
References
-
github.com
/ellanetworks/core/security/advisories/GHSA-m9pm-w3gv-c68f
web, vendor-advisory, advisory
-
nvd.nist.gov
/vuln/detail/CVE-2026-32319
advisory
-
github.com
/ellanetworks/core
package
-
github.com
/ellanetworks/core/releases/tag/v1.5.1
web
-
pkg.go.dev
/vuln/GO-2026-4692
web
Sources
- CVE List CVE-2026-32319
- GitHub Advisory GHSA-m9pm-w3gv-c68f
- NVD CVE-2026-32319
- OSV GO-2026-4692
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.