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.
CVE-2017-8310
Score 5.5 from GitHub Security Advisory published 2022-05-17. NVD baseline CVSS 5.5; sources differ by 0.0.
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 5.5
- EG Score
- 5.5(medium)
- EPSS
- 66.0%
- KEV
- Not listed
Published
May 23, 2017
Last Modified
May 13, 2026
References (8)
- cve@checkpointhttp://git.videolan.org/?p=vlc/vlc-2.2.git%3Ba=blobdiff%3Bf=modules/codec/subsdec.c%3Bh=addd8c71f30d53558fffd19059b374be45cf0f8e%3Bhp=1b4276e299a2a6668047231d29ac705ae93076ba%3Bhb=7cac839692ab79dbfe5e4ebd4c4e37d9a8b1b328%3Bhpb=3477dba3d506de8d95bccef2c6b67861188f6c29
- cve@checkpointhttp://www.debian.org/security/2017/dsa-3899
- cve@checkpointhttp://www.securityfocus.com/bid/98638
- cve@checkpointhttps://security.gentoo.org/glsa/201707-10
- af854a3a-2127-422b-91ae-364da2661108http://git.videolan.org/?p=vlc/vlc-2.2.git%3Ba=blobdiff%3Bf=modules/codec/subsdec.c%3Bh=addd8c71f30d53558fffd19059b374be45cf0f8e%3Bhp=1b4276e299a2a6668047231d29ac705ae93076ba%3Bhb=7cac839692ab79dbfe5e4ebd4c4e37d9a8b1b328%3Bhpb=3477dba3d506de8d95bccef2c6b67861188f6c29
- af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2017/dsa-3899
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/98638
- af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/201707-10
Data Freshness Timeline
(refreshed 12× in last 7d / 48× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 101 total refreshes for this CVE.
- 2026-07-07 13:42 UTCEPSS rescore
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Frequently asked(5)
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What is the CVSS score of CVE-2017-8310?
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