CVE-2024-46461: vlc · Heap-based Buffer Overflow
Affects vlcSource CVE Database V5
Not known to be exploited · CVSS 8.0 High : upgrade to 3.0.21 soon.
Data as of 26 Oct 2026, 11:07 UTC
- EPSS
- 0.6% chance of exploitation in 30 days – higher than 48% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 3.0.21
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 25 Sep 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade the Debian debian/vlc package to 3.0.21.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Debiandebian/vlcpkg:deb/debian/vlcOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
To mitigate CVE-2024-46461, organizations and users should: 1) Monitor VLC media player official channels for security patches and apply updates immediately once available. 2) Until patches are released, avoid opening MMS streams from untrusted or unknown sources. 3) Employ network-level controls such as firewall rules or intrusion prevention systems to block or monitor MMS traffic where feasible. 4) Educate users about the risks of opening unsolicited or suspicious media streams, emphasizing caution with MMS links or files. 5) Consider running VLC with least privilege principles, ensuring it does not run with elevated rights to limit potential damage. 6) Use application whitelisting and endpoint protection solutions that can detect abnormal VLC behavior or exploitation attempts. 7) For enterprise environments, consider alternative media players with a stronger security track record or sandbox VLC instances to contain potential exploits.
Description
VLC media player 3.0.20 and earlier is vulnerable to denial of service through an integer overflow which could be triggered with a maliciously crafted mms stream (heap based overflow). If successful, a malicious third party could trigger either a crash of VLC or an arbitrary code execution with the target user's privileges.