What’s Vulnerable › Vulnerabilities

CVE-2017-8312

• Severity: medium (CVSS 5.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-05-23 · updated 2026-06-17
• Weakness: CWE-125

Description

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.

Affected products

• Debian Linux: 8.0
• VideoLAN VLC: before 2.2.6 — fixed in 2.2.6

How to fix

Upgrade to a fixed version: VideoLAN VLC 2.2.6. Check the vendor advisory for mitigations.

References

• http://git.videolan.org/?p=vlc.git%3Ba=blobdiff%3Bf=modules/demux/subtitle.c%3Bh=5e4fcdb7f25b2819f5441156c7c0ea2a7d112ca3%3Bhp=2a75fbfb7c3f56b24b2e4498bbb8fe0aa2575974%3Bhb=611398fc8d32f3fe4331f60b220c52ba3557beaa%3Bhpb=075bc7169b05b004fa0250e4a4ce5516b05487a9
• http://www.debian.org/security/2017/dsa-3899
• http://www.securityfocus.com/bid/98631
• https://security.gentoo.org/glsa/201707-10
• http://git.videolan.org/?p=vlc.git%3Ba=blobdiff%3Bf=modules/demux/subtitle.c%3Bh=5e4fcdb7f25b2819f5441156c7c0ea2a7d112ca3%3Bhp=2a75fbfb7c3f56b24b2e4498bbb8fe0aa2575974%3Bhb=611398fc8d32f3fe4331f60b220c52ba3557beaa%3Bhpb=075bc7169b05b004fa0250e4a4ce5516b05487a9
• http://www.debian.org/security/2017/dsa-3899
• http://www.securityfocus.com/bid/98631
• https://security.gentoo.org/glsa/201707-10

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