CVE-2017-8312

Heap out-of-bound read in ParseJSS in VideoLAN VLC due to missing check of string length allows...

5.5 MediumFix available

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.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: None
Availability: None

Exploit likelihood

1.36%Up 0.3 points since Apr 14, 2021

What each source reports

NVD Score used 5.5

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.

Record: CVE-2017-8312
CVSS 3.0: 5.5 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:P/I:N/A:N
Weakness: CWE-125
Updated: 2026-11-02

CVE List No score

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.

Record: CVE-2017-8312
Updated: 2026-11-02

EUVDEUVD-2017-17273 No score

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.

Record: EUVD-2017-17273
Updated: 2026-11-03

GitHub AdvisoriesGHSA-f5gw-wx32-xw5r 5.5

Heap out-of-bound read in ParseJSS in VideoLAN VLC due to missing check of string length allows...

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.

Record: GHSA-f5gw-wx32-xw5r
CVSS 3.0: 5.5 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Weakness: CWE-125
Updated: 2026-11-02

OSV 5.5

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.

Record: CVE-2017-8312
CVSS 3.0: 5.5 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Updated: 2026-11-02

OSVDEBIAN-CVE-2017-8312 5.5

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.

Record: DEBIAN-CVE-2017-8312
CVSS 3.0: 5.5 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Updated: 2026-11-02

OSVUBUNTU-CVE-2017-8312 5.5

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.

Record: UBUNTU-CVE-2017-8312
CVSS 3.0: 5.5 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`vlc` Debian:12	before 2.2.6-1~deb9u1	2.2.6-1~deb9u1
`vlc` Debian:13	before 2.2.6-1~deb9u1	2.2.6-1~deb9u1
`vlc` Debian:14	before 2.2.6-1~deb9u1	2.2.6-1~deb9u1
`vlc` Debian:8	before 2.2.6-1~deb8u1, plus listed versions 2.2.0-12.2.0~rc2-22.2.0~rc2-2+deb8u12.2.1-12.2.1-1~deb8u1 Show 35 moreShow less 2.2.1-22.2.1-32.2.1-42.2.1-52.2.2-12.2.2-22.2.2-32.2.2-42.2.2-52.2.2-62.2.3-12.2.3-22.2.4-12.2.4-102.2.4-112.2.4-122.2.4-132.2.4-142.2.4-1~deb8u12.2.4-22.2.4-32.2.4-42.2.4-52.2.4-62.2.4-72.2.4-82.2.4-92.2.5-12.2.5-1~deb8u12.2.5-22.2.5-32.2.5-42.2.5.1-12.2.5.1-1~deb9u12.2.5.1-1~deb9u2	2.2.6-1~deb8u1
`vlc` Ubuntu:14.04:LTS	before 2.1.6-0ubuntu14.04.3, plus listed versions 2.0.8-12.1.1-12.1.2-12.1.2-22.1.2-2build1 Show 4 moreShow less 2.1.2-2build22.1.4-0ubuntu14.04.12.1.6-0ubuntu14.04.12.1.6-0ubuntu14.04.2	2.1.6-0ubuntu14.04.3
`vlc` Ubuntu:16.04:LTS	before 2.2.2-5ubuntu0.16.04.3, plus listed versions 2.2.1-32.2.1-52.2.2-12.2.2-22.2.2-3 Show 5 moreShow less 2.2.2-3build12.2.2-42.2.2-52.2.2-5ubuntu0.16.04.12.2.2-5ubuntu0.16.04.2	2.2.2-5ubuntu0.16.04.3

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2017-8312 is a medium vulnerability (CVSS 5.5) in Videolan Vlc, published May 23, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.36%, the 71st percentile. Fixed in vlc 2.2.6-1~deb9u1.

References

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