Vulnerability · Published Jul 6, 2023 · Assigned by mitre
CVE-2020-22336
Critical 9.8
In plain English
A critical-severity security flaw in the pdfcrack package (Debian). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 68% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)1.2%top 31.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
An issue was discovered in pdfcrack 0.17 thru 0.18, allows attackers to execute arbitrary code via a stack overflow in the MD5 function.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | pdfcrack | 0.19-1 | DEBIAN-CVE-2020-22336 |
| Debian:13 | pdfcrack | 0.19-1 | DEBIAN-CVE-2020-22336 |
| Debian:14 | pdfcrack | 0.19-1 | DEBIAN-CVE-2020-22336 |
| Ubuntu:22.04:LTS | pdfcrack | no fix listed | UBUNTU-CVE-2020-22336 |
| Ubuntu:24.04:LTS | pdfcrack | no fix listed | UBUNTU-CVE-2020-22336 |
| Ubuntu:25.10 | pdfcrack | no fix listed | UBUNTU-CVE-2020-22336 |
| Ubuntu:26.04:LTS | pdfcrack | no fix listed | UBUNTU-CVE-2020-22336 |
| Ubuntu:26.10 | pdfcrack | no fix listed | UBUNTU-CVE-2020-22336 |