CVE-2021-33798
A null pointer dereference was found in libpano13, version libpano13-2.9.20. The flow allows...
A null pointer dereference was found in libpano13, version libpano13-2.9.20. The flow allows attackers to cause a denial of service and potential code execute via a crafted file.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
A null pointer dereference was found in libpano13, version libpano13-2.9.20. The flow allows attackers to cause a denial of service and potential code execute via a crafted file.
- Record
CVE-2021-33798- CVSS 3.1
- 4.7 Medium
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-476
- Updated
- 2026-11-02
EUVDEUVD-2021-20475
A null pointer dereference was found in libpano13, version libpano13-2.9.20. The flow allows attackers to cause a denial of service and potential code execute via a crafted file.
- Record
EUVD-2021-20475- CVSS 3.1
- 4.7 Medium
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-573q-g6cg-g6cq
A null pointer dereference was found in libpano13, version libpano13-2.9.20. The flow allows...
A null pointer dereference was found in libpano13, version libpano13-2.9.20. The flow allows attackers to cause a denial of service and potential code execute via a crafted file.
- Record
GHSA-573q-g6cg-g6cq- CVSS 3.1
- 4.7 Medium
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-476
- Updated
- 2026-11-02
NVD
A null pointer dereference was found in libpano13, version libpano13-2.9.20. The flow allows attackers to cause a denial of service and potential code execute via a crafted file.
- Record
CVE-2021-33798- CVSS 3.1
- 4.7 Medium
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H - CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-476
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2021-33798
A null pointer dereference was found in libpano13, version libpano13-2.9.20. The flow allows attackers to cause a denial of service and potential code execute via a crafted file.
- Record
UBUNTU-CVE-2021-33798- CVSS 3.1
- 4.7 Medium
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H - CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
libpano13Ubuntu:Pro:16.04:LTS |
All versions, plus listed versions 2.9.19+dfsg-12.9.19+dfsg-22.9.19+dfsg-2ubuntu0.1~esm1 |
None known |
libpano13Ubuntu:Pro:18.04:LTS |
All versions, plus listed versions 2.9.19+dfsg-2build12.9.19+dfsg-32.9.19+dfsg-3ubuntu0.18.04.1~esm1 |
None known |
libpano13Ubuntu:20.04:LTS |
All versions, plus listed versions 2.9.19+dfsg-32.9.19+dfsg-3ubuntu0.20.04.1 |
None known |
libpano13Ubuntu:Pro:22.04:LTS |
All versions, plus listed versions 2.9.20~rc3+dfsg-12.9.20~rc3+dfsg-1ubuntu0.1~esm1 |
None known |
libpano13Ubuntu:24.04:LTS |
All versions, plus listed versions 2.9.22~rc2+dfsg-12.9.22+dfsg-12.9.22+dfsg-1.12.9.22+dfsg-1.1build1 |
None known |
libpano13Ubuntu:25.10 |
All versions, plus listed versions 2.9.22+dfsg-1.1build1 |
None known |
libpano13Ubuntu:26.10 |
All versions, plus listed versions 2.9.23+dfsg-1 |
None known |
libpano13Ubuntu:26.04:LTS |
All versions, plus listed versions 2.9.22+dfsg-1.1build12.9.23+dfsg-1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-33798 is a medium vulnerability (CVSS 4.7) in Libpano13, published July 7, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.48%, the 41st percentile. No source names a fixed version.