CVE-2017-17516

CVE-2017-17516 is a high-severity vulnerability in Reddit Terminal Viewer Project Reddit Terminal Viewer with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-74.

Key facts

Description

scripts/inspect_webbrowser.py in Reddit Terminal Viewer (RTV) 1.19.0 does not validate strings before launching the program specified by the BROWSER environment variable, which might allow remote attackers to conduct argument-injection attacks via a crafted URL.

Frequently asked questions

What is CVE-2017-17516?
scripts/inspect_webbrowser.py in Reddit Terminal Viewer (RTV) 1.19.0 does not validate strings before launching the program specified by the BROWSER environment variable, which might allow remote attackers to conduct argument-injection attacks via a crafted URL.
How severe is CVE-2017-17516?
CVE-2017-17516 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-17516 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-17516?
CVE-2017-17516 affects Reddit Terminal Viewer Project Reddit Terminal Viewer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-17516?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-17516 published?
CVE-2017-17516 was published on 2017-12-14 and last updated on 2026-06-17.

References

Affected products (1)

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