CVE-2021-25801
CVE-2021-25801 is a high-severity vulnerability in Videolan Vlc Media Player with a CVSS 3.x base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.
Key facts
- Severity: High (CVSS 3.x base score 7.1)
- CVSS v2: 5.8
- EPSS exploit prediction: 2% (72nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-125
- Affected product: Videolan Vlc Media Player
- Published:
- Last modified:
Description
A buffer overflow vulnerability in the __Parse_indx component of VideoLAN VLC Media Player 3.0.11 allows attackers to cause an out-of-bounds read via a crafted .avi file.
Frequently asked questions
- What is CVE-2021-25801?
- A buffer overflow vulnerability in the __Parse_indx component of VideoLAN VLC Media Player 3.0.11 allows attackers to cause an out-of-bounds read via a crafted .avi file.
- How severe is CVE-2021-25801?
- CVE-2021-25801 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability high.
- Is CVE-2021-25801 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-25801?
- CVE-2021-25801 affects Videolan Vlc Media Player. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-25801?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2021-25801 published?
- CVE-2021-25801 was published on 2021-07-26 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:videolan:vlc_media_player:3.0.11:*:*:*:*:*:*:*
More vulnerabilities in Videolan Vlc Media Player
- CVE-2008-0296 — Critical (CVSS 10.0): Heap-based buffer overflow in the libaccess_realrtsp plugin in VideoLAN VLC Media Player 0.8.6d and earlier on Windows…
- CVE-2023-47359 — Critical (CVSS 9.8): Videolan VLC prior to version 3.0.20 contains an incorrect offset read that leads to a Heap-Based Buffer Overflow in…
- CVE-2019-13962 — Critical (CVSS 9.8): lavc_CopyPicture in modules/codec/avcodec/video.c in VideoLAN VLC media player through 3.0.7 has a heap-based buffer…
- CVE-2019-12874 — Critical (CVSS 9.8): An issue was discovered in zlib_decompress_extra in modules/demux/mkv/util.cpp in VideoLAN VLC media player 3.x through…
- CVE-2017-10699 — Critical (CVSS 9.8): avcodec 2.2.x, as used in VideoLAN VLC media player 2.2.7-x before 2017-06-29, allows out-of-bounds heap memory write…
- CVE-2016-5108 — Critical (CVSS 9.8): Buffer overflow in the DecodeAdpcmImaQT function in modules/codec/adpcm.c in VideoLAN VLC media player before 2.2.4…
All CVEs affecting Videolan Vlc Media Player →
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