CVE-2018-18827

6.5 mediumEPSS 0.9%

Medium (6.5) in libav libav. EPSS 0.9% chance of exploitation in the next 30 days.

There exists a heap-based buffer over-read in ff_vc1_pred_dc in vc1_block.c in Libav 12.3, which allows attackers to cause a denial-of-service via a crafted aac file.

Severity

CVSS 3.0

6.5 medium

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

EPSS: 0.9% chance of exploitation in the next 30 days; higher than 58% of CVEs (scores of 2026-10-31)
CWE: CWE-125
Published: 2018-10-30
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

libav:libav

References

https://bugzilla.libav.org/show_bug.cgi?id=1135
https://bugzilla.libav.org/show_bug.cgi?id=1135

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