CVE-2023-36377
Buffer Overflow vulnerability in mtrojnar osslsigncode v.2.3 and before allows a local attacker...
Buffer Overflow vulnerability in mtrojnar osslsigncode v.2.3 and before allows a local attacker to execute arbitrary code via a crafted .exe, .sys, and .dll files.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Buffer Overflow vulnerability in mtrojnar osslsigncode v.2.3 and before allows a local attacker to execute arbitrary code via a crafted .exe, .sys, and .dll files.
- Record
CVE-2023-36377- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
CVE List No score
Buffer Overflow vulnerability in mtrojnar osslsigncode v.2.3 and before allows a local attacker to execute arbitrary code via a crafted .exe, .sys, and .dll files.
- Record
CVE-2023-36377- Updated
- 2026-11-02
EUVDEUVD-2023-40345 No score
Buffer Overflow vulnerability in mtrojnar osslsigncode v.2.3 and before allows a local attacker to execute arbitrary code via a crafted .exe, .sys, and .dll files.
- Record
EUVD-2023-40345- Updated
- 2026-11-02
GitHub AdvisoriesGHSA-hgrq-rjwf-5f46
Buffer Overflow vulnerability in mtrojnar osslsigncode v.2.3 and before allows a local attacker...
Buffer Overflow vulnerability in mtrojnar osslsigncode v.2.3 and before allows a local attacker to execute arbitrary code via a crafted .exe, .sys, and .dll files.
- Record
GHSA-hgrq-rjwf-5f46- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
OSVDEBIAN-CVE-2023-36377
Buffer Overflow vulnerability in mtrojnar osslsigncode v.2.3 and before allows a local attacker to execute arbitrary code via a crafted .exe, .sys, and .dll files.
- Record
DEBIAN-CVE-2023-36377- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2023-36377
Buffer Overflow vulnerability in mtrojnar osslsigncode v.2.3 and before allows a local attacker to execute arbitrary code via a crafted .exe, .sys, and .dll files.
- Record
UBUNTU-CVE-2023-36377- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSV No score
Buffer Overflow vulnerability in mtrojnar osslsigncode v.2.3 and before allows a local attacker to execute arbitrary code via a crafted .exe, .sys, and .dll files.
- Record
CVE-2023-36377- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
osslsigncodeDebian:12 |
before 2.3.0-1 | 2.3.0-1 |
osslsigncodeDebian:13 |
before 2.3.0-1 | 2.3.0-1 |
osslsigncodeDebian:14 |
before 2.3.0-1 | 2.3.0-1 |
osslsigncodeDebian:10 |
before 2.0+really2.5-4+deb10u1, plus listed versions 2.0-1 |
2.0+really2.5-4+deb10u1 |
osslsigncodeDebian:11 |
before 2.5-4~deb11u1, plus listed versions 2.1-12.2-12.3.0-12.4-12.5-12.5-22.5-3 |
2.5-4~deb11u1 |
osslsigncodeUbuntu:16.04:LTS |
All versions, plus listed versions 1.7.1-1 |
None known |
osslsigncodeUbuntu:18.04:LTS |
All versions, plus listed versions 1.7.1-2build11.7.1-2ubuntu11.7.1-3 |
None known |
osslsigncodeUbuntu:20.04:LTS |
All versions, plus listed versions 2.0-1 |
None known |
osslsigncodeUbuntu:22.04:LTS |
All versions, plus listed versions 2.1-12.2-1ubuntu1 |
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-2023-36377 is a high vulnerability (CVSS 7.8) in Osslsigncode Project Osslsigncode, published July 3, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.30%, the 22nd percentile. Fixed in osslsigncode 2.3.0-1.