How severe is CVE-2018-1999015?

CVE-2018-1999015 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2018-1999015 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-1999015?

CVE-2018-1999015 affects Ffmpeg. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-1999015?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-1999015 published?

CVE-2018-1999015 was published on 2018-07-23 and last updated on 2026-06-17.

CVE-2018-1999015

CVE-2018-1999015 is a medium-severity vulnerability in Ffmpeg with a CVSS 3.x base score of 6.5. 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: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.3
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Ffmpeg
Published: 2018-07-23
Last modified: 2026-06-17

Description

FFmpeg before commit 5aba5b89d0b1d73164d3b81764828bb8b20ff32a contains an out of array read vulnerability in ASF_F format demuxer that can result in heap memory reading. This attack appear to be exploitable via specially crafted ASF file that has to provided as input. This vulnerability appears to have been fixed in 5aba5b89d0b1d73164d3b81764828bb8b20ff32a and later.

Frequently asked questions

What is CVE-2018-1999015?: FFmpeg before commit 5aba5b89d0b1d73164d3b81764828bb8b20ff32a contains an out of array read vulnerability in ASF_F format demuxer that can result in heap memory reading. This attack appear to be exploitable via specially crafted ASF file that has to provided as input. This vulnerability appears to have been fixed in 5aba5b89d0b1d73164d3b81764828bb8b20ff32a and later.
How severe is CVE-2018-1999015?: CVE-2018-1999015 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2018-1999015 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-1999015?: CVE-2018-1999015 affects Ffmpeg. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-1999015?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-1999015 published?: CVE-2018-1999015 was published on 2018-07-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*

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