CVE-2023-39743
lrzip-next LZMA v23.01 was discovered to contain an access violation via the component ...
lrzip-next LZMA v23.01 was discovered to contain an access violation via the component /bz3_decode_block src/libbz3.c.
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
- Low
Exploit likelihood
What each source reports
NVD Score used
lrzip-next LZMA v23.01 was discovered to contain an access violation via the component /bz3_decode_block src/libbz3.c.
- Record
CVE-2023-39743- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - Weakness
- CWE-284
- Updated
- 2026-11-02
CVE List No score
lrzip-next LZMA v23.01 was discovered to contain an access violation via the component /bz3_decode_block src/libbz3.c.
- Record
CVE-2023-39743- Weakness
- CWE-284
- Updated
- 2026-11-02
EUVDEUVD-2023-43443 No score
lrzip-next LZMA v23.01 was discovered to contain an access violation via the component /bz3_decode_block src/libbz3.c.
- Record
EUVD-2023-43443- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mg73-j4vh-6r94
lrzip-next LZMA v23.01 was discovered to contain an access violation via the component ...
lrzip-next LZMA v23.01 was discovered to contain an access violation via the component /bz3_decode_block src/libbz3.c.
- Record
GHSA-mg73-j4vh-6r94- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - Weakness
- CWE-284
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2023-39743
lrzip-next LZMA v23.01 was discovered to contain an access violation via the component /bz3_decode_block src/libbz3.c.
- Record
UBUNTU-CVE-2023-39743- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
lrzipUbuntu:Pro:14.04:LTS |
All versions, plus listed versions 0.608-20.616-10.616-1ubuntu0.1~esm0.616-1ubuntu0.1~esm10.616-1ubuntu0.1~esm2 |
None known |
lrzipUbuntu:Pro:16.04:LTS |
All versions, plus listed versions 0.621-10.621-1ubuntu0.1~esm10.621-1ubuntu0.1~esm2 |
None known |
lrzipUbuntu:Pro:18.04:LTS |
All versions, plus listed versions 0.631-10.631-1ubuntu0.1~esm10.631-1+deb9u1build0.18.04.10.631-1+deb9u3build0.18.04.1 |
None known |
lrzipUbuntu:20.04:LTS |
All versions, plus listed versions 0.631+git180528-10.631+git180528-1build10.631+git180528-1+deb10u1build0.20.04.1 |
None known |
lrzipUbuntu:22.04:LTS |
All versions, plus listed versions 0.641-10.651-20.651-2ubuntu0.22.04.1 |
None known |
lrzipUbuntu:24.04:LTS |
All versions, plus listed versions 0.651-2ubuntu1 |
None known |
lrzipUbuntu:25.10 |
All versions, plus listed versions 0.651-2ubuntu10.651-3 |
None known |
lrzipUbuntu:26.10 |
All versions, plus listed versions 0.660-1 |
None known |
lrzipUbuntu:26.04:LTS |
All versions, plus listed versions 0.651-30.651-3build10.660-1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-39743 is a medium vulnerability (CVSS 5.3) in Pete4abw Lzma Software Development Kit, published August 17, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.83%, the 57th percentile. No source names a fixed version.