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CVE-2018-13303

21
FAUCET Score

CVE-2018-13303 describes a NULL pointer dereference vulnerability in FFmpeg 4.0.1, specifically within the avpriv_ac3_parse_header function, which can be triggered by processing a crafted AVI file. This flaw could lead to a denial of service. With a CVSS score of 6.5 (Medium), the vulnerability can be exploited remotely with low attack complexity, requiring user interaction to process the malicious file. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
4.0.1CPE matchmatch criteria
cpe:2.3:a:ffmpeg:ffmpeg:4.0.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.42%
Probability of exploitation in next 30 days
EPSS Percentile
70.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0141 is in the 82nd percentile among its peer group of 26,236 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / FFmpeg/FFmpeg/commit/00e8181bd97c834fe60751b0c511d4bb97875f78
Patch
securityfocus.com / bid/104675
Third Party AdvisoryVDB Entry