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NVD / CVE Program· CNA checkpoint

CVE-2017-8310: Heap out-of-bound read in CreateHtmlSubtitle in VideoLAN VLC 2.2.x due to missing check of string termination allows attackers to read data…

MediumCVSS 5.5 · v3.0—No exploit Fix available

Noroxi assessment

Priority: Monitor (action score 22/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 1.2% (FIRST EPSS); higher than 70.1% of all records.
  • Someone with local access to the system can trigger it. No account or password is required. A user must open a link or visit a page. No special conditions are required; it is repeatable.
  • Fixed version: vlc (Debian:12) 2.2.5.1-1~deb9u1; vlc (Debian:8) 2.2.6-1~deb8u1.

Low priority for now. Upgrade to vlc (Debian:12) 2.2.5.1-1~deb9u1; vlc (Debian:8) 2.2.6-1~deb8u1 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

Heap out-of-bound read in CreateHtmlSubtitle in VideoLAN VLC 2.2.x due to missing check of string termination allows attackers to read data beyond allocated memory and potentially crash the process (causing a denial of service) via a crafted subtitles file.

Published
May 23, 2017
Updated
Jun 16, 2026
EPSS
1.2% · 70th percentile

Report tools

JSON

Action score

22

Monitor

Low priority for now.

CVSS
22 / 40 · 5.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 1.2%

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • A fix has been released

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When you'll hear from us

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  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
videolanvlc media player

Versions reported by the vendor

Affected version ranges reported by the assigning authority (checkpoint). Independent of NVD's CPE analysis and usually ahead of it.

  • VideoLAN VLC

    • 2.2.*affected
Affected versions · NVD (6)

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • videolan vlc media player2.2.0
  • videolan vlc media player2.2.1
  • videolan vlc media player2.2.2
  • videolan vlc media player2.2.3
  • videolan vlc media player2.2.4
  • videolan vlc media player2.2.5

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:12vlcbefore 2.2.5.1-1~deb9u12.2.5.1-1~deb9u1
Debian:8vlcbefore 2.2.6-1~deb8u12.2.6-1~deb8u1

Same product

videolan: all records

Other highest-scoring records for the same primary product.

  • CVE-2010-3275libdirectx_plugin.dll in VideoLAN VLC Media Player before 1.1.8 allows remote attackers to execute arbitrary code via a crafted width in an…
    60This week
  • CVE-2008-4654Stack-based buffer overflow in the parse_master function in the Ty demux plugin (modules/demux/ty.c) in VLC Media Player 0.9.0 through…
    54Plan
  • CVE-2012-1775Stack-based buffer overflow in VideoLAN VLC media player before 2.0.1 allows remote attackers to execute arbitrary code via a crafted…
    50Plan

Published before and after this one in the same product

  • ← EarlierCVE-2016-3941Apr 18, 2016 · Buffer overflow in the AStreamPeekStream function in input/stream.c in VideoLAN VLC media player before 2.2.0 allows remote attackers to…
    22Monitor
  • ← EarlierCVE-2016-5108Jun 8, 2016 · Buffer overflow in the DecodeAdpcmImaQT function in modules/codec/adpcm.c in VideoLAN VLC media player before 2.2.4 allows remote attackers…
    46Plan
  • Later →CVE-2017-8311May 23, 2017 · Potential heap based buffer overflow in ParseJSS in VideoLAN VLC before 2.2.5 due to skipping NULL terminator in an input string allows…
    34Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
debian:vlc2.2.5.1-1~deb9u1 · Debian:12Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

Not on record for this CVE: EPSS history · patch commit or PR link · researcher credit · variant or chain candidate · public bounty program.

Technical details

Attack conditions

  • Someone with local access to the system can trigger it.
  • No account or password is required.
  • A user must open a link or visit a page.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
none
Integrity
none
Availability
high · the service can be disrupted
Attack vector
Local
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Unchanged
Confidentiality impact
None
Integrity impact
None
Availability impact
High

Weakness class (CWE)

CWE-125 · Out-of-bounds Read

CVSS vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

References

Show all references (3 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records