CVE-2026-33903 json
Ella Core panics when processing a crafted NGAP LocationReport message
published 7mo ago modified 14d ago also EUVD-2026-16839 , GHSA-f2f3-9cx3-wcmf , GO-2026-4875
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 12%
- public exploits
- 0
- none known
Summary
Ella Core is a 5G core designed for private networks. Versions prior to 1.7.0 panic when processing a specially crafted NGAP LocationReport message. An attacker able to send crafted NGAP messages to Ella Core can crash the process, causing service disruption for all connected subscribers. Version 1.7.0 adds guards in NGAP Location Report handler.
Patch / fix
- go github.com/ellanetworks/core 1.7.0
- ellanetworks ella_core 1.7.0
- govulncheck-vulndb openSUSE Leap 15.6 0.0.20260402T184258-150000.1.158.1
suse advisories SUSE-SU-2026:1205-1
- govulncheck-vulndb openSUSE Leap 16.0 0.0.20260723T184607-160000.1.1
opensuse advisories openSUSE-SU-2026:21483-1
Is CVE-2026-33903 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 7mo ago
Exploit prediction
0.22% chance of exploitation in the next 30 days, higher than 12% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| GitHub | 3.1 | 6.5 | CVSS:3.1/AV:A/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 | <1.7.0 |
1.7.0 |
Affected products
- ellanetworks core
Classification
- Weakness
-
- CWE-476 NULL Pointer Dereference
References
-
github.com
/ellanetworks/core/commit/ec77a2ad4508f8488cb356fd45b2f1efd92587f8
web, patch
-
github.com
/ellanetworks/core/security/advisories/GHSA-f2f3-9cx3-wcmf
web, vendor-advisory, advisory
-
github.com
/ellanetworks/core/releases/tag/v1.7.0
web, release-notes
-
nvd.nist.gov
/vuln/detail/CVE-2026-33903
advisory
-
github.com
/ellanetworks/core
package
Sources
- CVE List CVE-2026-33903
- GitHub Advisory GHSA-f2f3-9cx3-wcmf
- NVD CVE-2026-33903
- OSV GO-2026-4875
Fencer Intel 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.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.