How severe is CVE-2023-51795?

CVE-2023-51795 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability high.

Is CVE-2023-51795 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-51795?

CVE-2023-51795 primarily affects Ffmpeg. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-51795?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2023-51795 have an EU (EUVD) identifier?

Yes. CVE-2023-51795 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-56479.

When was CVE-2023-51795 published?

CVE-2023-51795 was published on 2024-04-19 and last updated on 2026-06-17.

CVE-2023-51795

CVE-2023-51795 is a high-severity vulnerability in Ffmpeg with a CVSS 3.x base score of 8.0. 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-122.

Key facts

Severity: High (CVSS 3.x base score 8.0)
EPSS exploit prediction: 0% (19th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-56479
Weakness: CWE-122
Affected product: Ffmpeg
Published: 2024-04-19
Last modified: 2026-06-17

Description

Buffer Overflow vulnerability in Ffmpeg v.N113007-g8d24a28d06 allows a local attacker to execute arbitrary code via the libavfilter/avf_showspectrum.c:1789:52 component in showspectrumpic_request_frame

Frequently asked questions

What is CVE-2023-51795?: Buffer Overflow vulnerability in Ffmpeg v.N113007-g8d24a28d06 allows a local attacker to execute arbitrary code via the libavfilter/avf_showspectrum.c:1789:52 component in showspectrumpic_request_frame
How severe is CVE-2023-51795?: CVE-2023-51795 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability high.
Is CVE-2023-51795 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-51795?: CVE-2023-51795 primarily affects Ffmpeg. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-51795?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2023-51795 have an EU (EUVD) identifier?: Yes. CVE-2023-51795 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-56479.
When was CVE-2023-51795 published?: CVE-2023-51795 was published on 2024-04-19 and last updated on 2026-06-17.

References

Affected products (16)

cpe:2.3:a:ffmpeg:ffmpeg:7.0:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:7.0.1:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:7.0.2:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:7.0.3:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:7.1:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:7.1:dev:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:7.1.1:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:7.1.2:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:7.1.3:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:7.2:dev:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:8.0:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:8.0.1:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:8.1:dev:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:40:*:*:*:*:*:*:*

More vulnerabilities in Ffmpeg

CVE-2013-0864 — Critical (CVSS 10.0): The gif_copy_img_rect function in libavcodec/gifdec.c in FFmpeg before 1.1.2 performs an incorrect calculation for an…
CVE-2013-4265 — Critical (CVSS 10.0): The av_reallocp_array function in libavutil/mem.c in FFmpeg before 2.0.1 has an unspecified impact and remote vectors…
CVE-2013-0873 — Critical (CVSS 10.0): The read_header function in libavcodec/shorten.c in FFmpeg before 1.1.3 allows remote attackers to have an unspecified…
CVE-2013-0872 — Critical (CVSS 10.0): The swr_init function in libswresample/swresample.c in FFmpeg before 1.1.3 allows remote attackers to have an…
CVE-2011-3937 — Critical (CVSS 10.0): The H.263 codec (libavcodec/h263dec.c) in FFmpeg 0.7.x before 0.7.12, 0.8.x before 0.8.11, and unspecified versions…
CVE-2012-2804 — Critical (CVSS 10.0): Unspecified vulnerability in libavcodec/indeo3.c in FFmpeg before 0.11 and Libav 0.8.x before 0.8.5 has unknown impact…

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