What is CVE-2022-3964?

CVE-2022-3964 is a medium-severity vulnerability in Ffmpeg, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 4.3/10. Published 2022-11-13.

How severe is CVE-2022-3964?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Is CVE-2022-3964 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Ffmpeg

CVE-2022-3964

A vulnerability classified as problematic has been found in ffmpeg. This affects an unknown part of the file libavcodec/rpzaenc.c of the component QuickTime RPZA Video Encoder. The manipulation of the argument y_size leads to out-of-bounds read. It is possible to initiate the attack remotely. The name of the patch is 92f9b28ed84a77138105475beba16c146bdaf984. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-213543.

Vulnerability class: Buffer Overflow

EPSS: 0.035 (87.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L.

Affected products

Ffmpeg
Unspecified Ffmpeg — versions n/a

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

Public proof-of-concept exploits

References

cna@vuldb.com (Patch, Third Party Advisory)
cna@vuldb.com (Third Party Advisory)
cna@vuldb.com (vendor-advisory)

Frequently asked questions

What is CVE-2022-3964?: CVE-2022-3964 is a medium-severity vulnerability in Ffmpeg, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 4.3/10. Published 2022-11-13.
How severe is CVE-2022-3964?: Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2022-3964 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.