How severe is CVE-2019-14371?

CVE-2019-14371 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 none, integrity none, and availability high.

Is CVE-2019-14371 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-14371?

CVE-2019-14371 affects Libav. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-14371?

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

When was CVE-2019-14371 published?

CVE-2019-14371 was published on 2019-07-28 and last updated on 2026-06-17.

CVE-2019-14371

CVE-2019-14371 is a medium-severity vulnerability in Libav 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-835.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-835
Affected product: Libav
Published: 2019-07-28
Last modified: 2026-06-17

Description

An issue was discovered in Libav 12.3. There is an infinite loop in the function mov_probe in the file libavformat/mov.c, related to offset and tag.

Frequently asked questions

What is CVE-2019-14371?: An issue was discovered in Libav 12.3. There is an infinite loop in the function mov_probe in the file libavformat/mov.c, related to offset and tag.
How severe is CVE-2019-14371?: CVE-2019-14371 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 none, integrity none, and availability high.
Is CVE-2019-14371 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-14371?: CVE-2019-14371 affects Libav. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-14371?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-14371 published?: CVE-2019-14371 was published on 2019-07-28 and last updated on 2026-06-17.

References

https://bugzilla.libav.org/show_bug.cgi?id=1163

Affected products (1)

cpe:2.3:a:libav:libav:12.3:*:*:*:*:*:*:*

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