Path Traversal in Yasr Screen Reader
CVE-2016-20041
Yasr 0.6.9-5 contains a buffer overflow vulnerability that allows local attackers to crash the application or execute arbitrary code by supplying an oversized argument to the -p parameter. Attackers can invoke yasr with a crafted payload containing junk data, shellcode, and a return address to overwrite the stack and trigger code execution.
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.002 (5.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Yasr Screen Reader — versions 0.6.9-5
Weakness classification (CWE)
References
- disclosure@vulncheck.com (exploit)
- disclosure@vulncheck.com (product)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2016-20041?
- CVE-2016-20041 is a high-severity vulnerability in Yasr Screen Reader, classified under Path Traversal. CVSS score: 8.4/10. Published 2026-03-28.
- How severe is CVE-2016-20041?
- High severity. CVSS v3 base score is 8.4 out of 10.