CVE-2023-49502 Memory corruption in n/a

High 8.8 Published Updated

A local attacker can execute arbitrary code via a buffer overflow in FFmpeg's bwdif filter, requiring an upgrade to mitigate.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2023-49502?

CVE-2023-49502 is a high-severity memory corruption vulnerability in Fedoraproject Fedora, published on 19 Apr 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Buffer Overflow vulnerability in Ffmpeg v.n6.1-3-g466799d4f5 allows a local attacker to execute arbitrary code via the ff_bwdif_filter_intra_c function in the libavfilter/bwdifdsp.c:125:5 component.

Weakness: CWE-120

Which versions are affected by CVE-2023-49502?

It affects 2 products.

Products include Fedoraproject Fedora, Ffmpeg Ffmpeg.

How do I fix CVE-2023-49502?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2023-49502 being exploited?

There is no known exploitation of CVE-2023-49502 in the wild and no public exploit code.

All Fedoraproject Fedora vulnerabilities

Sources

Also known as DEBIAN-CVE-2023-49502, GHSA-q2j3-5vpq-qxp4, JLSEC-2025-129, OESA-2024-1805, UBUNTU-CVE-2023-49502.

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