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CVE-2017-8312
Heap out-of-bound read in ParseJSS in VideoLAN VLC due to missing check of string length allows attackers to read heap uninitialized data via a crafted subtitles file.
This record: live connection— last retrieved: 24 September 2026 at 05:06.
Taken directly from NVD, CISA or the vendor — sometimes in English, unchanged from the source.
Heap out-of-bound read in ParseJSS in VideoLAN VLC due to missing check of string length allows attackers to read heap uninitialized data via a crafted subtitles file.
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Attack vector
LOCAL
Privileges required
NONE
User interaction
REQUIRED
Confidentiality
High
Integrity
None
Availability
None
Probability of exploitation within 30 days
1.4%
Percentile
71e
Source: FIRST.org, updated on 23 September 2026.
Because the affected VLC version (2.2.4) suffers from a heap out of bound read in the ParseJSS function—allowing an attacker to read uninitialized heap data via a crafted subtitles file—the risk of external exploitation is significantly reduced in your environment. Since the software is installed in strictly isolated systems with no internet access, no external attacker can deliver malicious subtitle files re-motely. Consequently, the only remaining exposure is local: an insider would need to intentionally load a crafted subtitle file to trigger the issue—a scenario considered highly unlikely under current governance and usage controls.
Our own interpretation and context for the source data above.
IACS Radar assessment
Our own interpretation and context for this vulnerability — not an official source.
IACS Radar priority score
Based on CVSS 5.5, EPSS 1.4%, industrial relevance 55/100.
Combines CVSS, EPSS, KEV status, industrial relevance and exposure relevance — a complement to, not a replacement for, the individual scores below and above.
Conditions for exploitation
Operational impact & energy relevance
Limited impact on availability; the risk lies mainly with confidentiality or integrity of process data.
Assessed as relevant to the energy sector based on: Vermeld in een officiële CISA ICS Advisory, wat directe relevantie voor industriële besturingssystemen bevestigt. Vendor "ABB" is a known supplier of equipment for the energy sector.
Recommended defensive measures
Industrial relevance score
Classification is provisional; manual verification by an OT security analyst is recommended.
Classified by IACS Radar-analysepijplijn (geautomatiseerd) on 24 September 2026.
IEC 62443 mapping
Automatic IACS Radar assessment based on the reported CWE weakness classification; not an official certification statement.