# Osslsigncode Project Osslsigncode vulnerabilities

Source: https://junglewise.ai/threats/technologies/osslsigncode  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/osslsigncode.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 3 vulnerabilities in Osslsigncode Project Osslsigncode: 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-39856, was published on 9 April 2026.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 3 (0 critical, 0 exploited in the wild)

## About Osslsigncode Project Osslsigncode

Command-line tool for signing and timestamping PE executables without requiring Windows.

## Latest Osslsigncode Project Osslsigncode vulnerabilities

- [CVE-2026-39856: osslsigncode is a tool that implements Authenticode signing and timestamping. Prior to 2.13, an out-of-bounds read…](https://junglewise.ai/threats/cve-2026-39856-osslsigncode-is-a-tool-that-implements-authenticode-signing-and) (medium, CVSS 5.5, published 9 Apr 2026)
- [CVE-2026-39855: osslsigncode is a tool that implements Authenticode signing and timestamping. Prior to 2.13, an integer underflow…](https://junglewise.ai/threats/cve-2026-39855-osslsigncode-is-a-tool-that-implements-authenticode-signing-and) (medium, CVSS 5.5, published 9 Apr 2026)
- [CVE-2026-39853: osslsigncode is a tool that implements Authenticode signing and timestamping. Prior to 2.12, A stack buffer overflow…](https://junglewise.ai/threats/cve-2026-39853-osslsigncode-is-a-tool-that-implements-authenticode-signing-and) (high, CVSS 7.8, published 9 Apr 2026)

## Most severe Osslsigncode Project Osslsigncode vulnerabilities

- [CVE-2026-39853: osslsigncode is a tool that implements Authenticode signing and timestamping. Prior to 2.12, A stack buffer overflow…](https://junglewise.ai/threats/cve-2026-39853-osslsigncode-is-a-tool-that-implements-authenticode-signing-and) (high, CVSS 7.8, published 9 Apr 2026)
- [CVE-2026-39856: osslsigncode is a tool that implements Authenticode signing and timestamping. Prior to 2.13, an out-of-bounds read…](https://junglewise.ai/threats/cve-2026-39856-osslsigncode-is-a-tool-that-implements-authenticode-signing-and) (medium, CVSS 5.5, published 9 Apr 2026)
- [CVE-2026-39855: osslsigncode is a tool that implements Authenticode signing and timestamping. Prior to 2.13, an integer underflow…](https://junglewise.ai/threats/cve-2026-39855-osslsigncode-is-a-tool-that-implements-authenticode-signing-and) (medium, CVSS 5.5, published 9 Apr 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Osslsigncode Project Osslsigncode vulnerabilities", https://junglewise.ai/threats/technologies/osslsigncode, 9 November 2026.