CVE-2026-26449
In Stomper 5e2741e when a client sends a SEND frame missing the destination header field, the...
In Stomper 5e2741e when a client sends a SEND frame missing the destination header field, the server triggers a null pointer dereference (or access to invalid memory) while processing the frame, causing the process to crash.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
In Stomper 5e2741e when a client sends a SEND frame missing the destination header field, the server triggers a null pointer dereference (or access to invalid memory) while processing the frame, causing the process to crash.
- Record
CVE-2026-26449- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-476
- Updated
- 2026-11-02
EUVDEUVD-2026-66752
In Stomper 5e2741e when a client sends a SEND frame missing the destination header field, the server triggers a null pointer dereference (or access to invalid memory) while processing the frame, causing the process to crash.
- Record
EUVD-2026-66752- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-62p7-8m6h-ghr7
In Stomper 5e2741e when a client sends a SEND frame missing the destination header field, the...
In Stomper 5e2741e when a client sends a SEND frame missing the destination header field, the server triggers a null pointer dereference (or access to invalid memory) while processing the frame, causing the process to crash.
- Record
GHSA-62p7-8m6h-ghr7- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-476
- Updated
- 2026-11-02
NVD
In Stomper 5e2741e when a client sends a SEND frame missing the destination header field, the server triggers a null pointer dereference (or access to invalid memory) while processing the frame, causing the process to crash.
- Record
CVE-2026-26449- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-476
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2026-26449
In Stomper 5e2741e when a client sends a SEND frame missing the destination header field, the server triggers a null pointer dereference (or access to invalid memory) while processing the frame, causing the process to crash.
- Record
UBUNTU-CVE-2026-26449- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
stomperUbuntu:16.04:LTS |
All versions, plus listed versions 0.3.0-1 |
None known |
stomperUbuntu:18.04:LTS |
All versions, plus listed versions 0.3.0-1 |
None known |
stomperUbuntu:20.04:LTS |
All versions, plus listed versions 0.4.1-2 |
None known |
stomperUbuntu:22.04:LTS |
All versions, plus listed versions 0.4.1-20.4.3-1 |
None known |
stomperUbuntu:24.04:LTS |
All versions, plus listed versions 0.4.3-20.4.3-3 |
None known |
stomperUbuntu:26.10 |
All versions, plus listed versions 0.4.3-3build1 |
None known |
stomperUbuntu:26.04:LTS |
All versions, plus listed versions 0.4.3-30.4.3-3build1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-26449 is a high vulnerability (CVSS 7.5) in stomper, published August 26, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.49%, the 42nd percentile. No source names a fixed version.