CVE-2017-8310
Heap out-of-bound read in CreateHtmlSubtitle in VideoLAN VLC 2.2.x due to missing check of string...
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.
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
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
5.5
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.
- Record
CVE-2017-8310- CVSS 3.0
- 5.5 Medium
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-125
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2017-8310- Updated
- 2026-11-02
EUVDEUVD-2017-17271 No score
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.
- Record
EUVD-2017-17271- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-2ggh-fcw2-8mvr
5.5
Heap out-of-bound read in CreateHtmlSubtitle in VideoLAN VLC 2.2.x due to missing check of string...
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.
- Record
GHSA-2ggh-fcw2-8mvr- CVSS 3.0
- 5.5 Medium
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-125
- Updated
- 2026-11-02
OSV
5.5
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.
- Record
CVE-2017-8310- CVSS 3.0
- 5.5 Medium
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2017-8310
5.5
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.
- Record
DEBIAN-CVE-2017-8310- CVSS 3.0
- 5.5 Medium
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2017-8310
5.5
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.
- Record
UBUNTU-CVE-2017-8310- CVSS 3.0
- 5.5 Medium
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
vlcDebian:12 |
before 2.2.5.1-1~deb9u1 | 2.2.5.1-1~deb9u1 |
vlcDebian:13 |
before 2.2.5.1-1~deb9u1 | 2.2.5.1-1~deb9u1 |
vlcDebian:14 |
before 2.2.5.1-1~deb9u1 | 2.2.5.1-1~deb9u1 |
vlcDebian: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 less2.2.1-22.2.1-32.2.1-42.2.1-52.2.2-12.2.2-22.2.2-32.2.2-42.2.2-52.2.2-62.2.3-12.2.3-22.2.4-12.2.4-102.2.4-112.2.4-122.2.4-132.2.4-142.2.4-1~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 |
vlcUbuntu: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 less2.1.2-2build22.1.4-0ubuntu14.04.12.1.6-0ubuntu14.04.12.1.6-0ubuntu14.04.2 |
2.1.6-0ubuntu14.04.3 |
vlcUbuntu: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 less2.2.2-3build12.2.2-42.2.2-52.2.2-5ubuntu0.16.04.12.2.2-5ubuntu0.16.04.2 |
2.2.2-5ubuntu0.16.04.3 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-8310 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 1.26%, the 69th percentile. Fixed in vlc 2.2.5.1-1~deb9u1.
References
security.gentoo.org/glsa/201707-10
securityfocus.com/bid/98638
git.videolan.org?p=vlc/vlc-2.2.git%3Ba=blobdiff%3Bf=modules/codec/subsdec.c%3Bh=addd8c71f30d53558fffd19059b374be45cf0f8e%3Bhp=1b4276e299a2a6668047231d29ac705ae93076ba%3Bhb=7cac839692ab79dbfe5e4ebd4c4e37d9a8b1b328%3Bhpb=3477dba3d506de8d95bccef2c6b67861188f6c29
debian.org/security/2017/dsa-3899
nvd.nist.gov/vuln/detail/CVE-2017-8310
git.videolan.org?p=vlc/vlc-2.2.git;a=blobdiff;f=modules/codec/subsdec.c;h=addd8c71f30d53558fffd19059b374be45cf0f8e;hp=1b4276e299a2a6668047231d29ac705ae93076ba;hb=7cac839692ab79dbfe5e4ebd4c4e37d9a8b1b328;hpb=3477dba3d506de8d95bccef2c6b67861188f6c29