pdf_info 0.5.3 is vulnerable to Command Execution because the Ruby code uses backticks instead of Open3.
Priority HIGH 82CWE-78Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-78.
Summary
pdf_info 0.5.3 is vulnerable to Command Execution because the Ruby code uses backticks instead of Open3.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.03014 87th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | pdf_info (RubyGems) | up to 0.5.3 | — | No fix listed | GHSA-9fh3-j99m-f4v7 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- pdf_info (RubyGems) Vendor— Affected up to 0.5.3 Fixed in — No fix listed GHSA-9fh3-j99m-f4v7
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:newspaperclub:pdf_info:0.5.3:*:*:*:*:ruby:*:* | 0.5.3 | Vulnerable | Newspaperclub |
- cpe:2.3:a:newspaperclub:pdf_info:0.5.3:*:*:*:*:ruby:*:* Versions 0.5.3 Vulnerable ·Newspaperclub
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2022-36231
- 2026-10-03 Alias added: GHSA-9fh3-j99m-f4v7
References
Patch 2
Sources
- CVE-2022-36231 · CVE Program
- CVE-2022-36231 · NVD
- FIRST EPSS
- GHSA-9fh3-j99m-f4v7 · GitHub Advisory Database · CC BY 4.0
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