CVE-2026-65705· NVD / CVE Program· CNA VulnCheck

FFmpeg 3.4 - 8.1.2 vf_floodfill Out-of-Bounds Write via filter_frame()

Noroxi assessment

Priority: Monitor (action score 29/100)

The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
Probability of exploitation in the next 30 days: 0.18% (FIRST EPSS).
Someone with local access to the system can trigger it. No account or password is required. No special conditions are required; it is repeatable.
Fixed version: ffmpeg (Debian:14) 7:9.0.2-1; ffmpeg-7 (openSUSE:Leap 16.0) 7.1.5-160000.1.1; ffmpeg-4 (openSUSE:Tumbleweed) 4.4.8-4.1.
Mentioned 1 time in Turkish national cyber security advisories (siberguvenlik.gov.tr).

Low priority for now. Upgrade to ffmpeg (Debian:14) 7:9.0.2-1; ffmpeg-7 (openSUSE:Leap 16.0) 7.1.5-160000.1.1; ffmpeg-4 (openSUSE:Tumbleweed) 4.4.8-4.1 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

FFmpeg versions 3.4 through 8.1.2 contain an out-of-bounds write vulnerability in the vf_floodfill video filter that allows attackers to corrupt heap memory by supplying a dynamically sized video stream with filtergraph reinitialization disabled via -reinit_filter 0. When config_input() allocates the points traversal stack based on initial frame dimensions and a subsequent larger frame is processed, filter_frame() performs flood-fill neighbor pushes beyond the original allocation boundary, resulting in heap corruption and process crash with potential for code execution depending on heap layout and process hardening.

HighCVSS 7.3 · v4.0—No exploit Fix available

Published: Jul 23, 2026
Updated: Aug 6, 2026
EPSS: 0.2% · 8th percentile
CWE: CWE-131

Report tools

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Action score

Monitor

Low priority for now.

CVSS: 29 / 40 · 7.3 / 10
CISA KEV: 0 / 30 · Not listed
EPSS: 0 / 30 · 0.2%

CISA SSVC decision

Exploitation: none
Automatable: no
Technical impact: total

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD: —
CNA · VulnCheck: 7.3; NVD has not scored this yet; the score shown is the CNA’s.

CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Get told when this record changes

Not in KEV: no record of exploitation in the wild
No public exploit code on record
A fix has been released

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

Vendor	Product	CPE
ffmpeg	ffmpeg	cpe:2.3:a:ffmpeg:ffmpeg

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

ffmpeg ffmpeg3.4 and later · up to 8.1.2 inclusive

Versions reported by the vendor

Affected version ranges reported by the assigning authority (VulnCheck). Independent of NVD's CPE analysis and usually ahead of it.

FFmpeg FFmpeg
- f186c50cf53aec20e9a29059cb22ca3f2d59201cnot affected
- 3.4 and later · up to and including 8.1.2affected

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

Ecosystem	Package	Affected range	Fix
Debian:12	ffmpeg	all versions	—
Debian:14	ffmpeg	before 7:9.0.2-1	7:9.0.2-1
openSUSE:Leap 16.0	ffmpeg-7	before 7.1.5-160000.1.1	7.1.5-160000.1.1
openSUSE:Tumbleweed	ffmpeg-4	before 4.4.8-4.1	4.4.8-4.1
openSUSE:Tumbleweed	ffmpeg-7	before 7.1.5-2.1	7.1.5-2.1
openSUSE:Tumbleweed	ffmpeg-8	before 8.1.2-3.1	8.1.2-3.1
openSUSE:Tumbleweed	ffmpeg-9	before 9.0.1-2.1	9.0.1-2.1
SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS	ffmpeg-4	before 4.4.8-150400.3.75.1	4.4.8-150400.3.75.1
SUSE:Linux Enterprise Module for Desktop Applications 15 SP7	ffmpeg	before 3.4.2-150200.11.79.1	3.4.2-150200.11.79.1
SUSE:Linux Enterprise Module for Package Hub 15 SP7	ffmpeg-4	before 4.4.8-150600.13.55.1	4.4.8-150600.13.55.1

Same product

ffmpeg: all records

Other highest-scoring records for the same primary product.

CVE-2009-4637FFmpeg 0.5 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unknown vectors that trigger
45Plan
CVE-2016-10190Heap-based buffer overflow in libavformat/http.c in FFmpeg before 2.8.10, 3.0.x before 3.0.5, 3.1.x before 3.1.6, and 3.2.x before 3.2.2 all
42Plan
CVE-2009-4634Multiple integer underflows in FFmpeg 0.5 allow remote attackers to cause a denial of service and possibly execute arbitrary code via a craf
42Plan
CVE-2009-4633vorbis_dec.c in FFmpeg 0.5 uses an assignment operator when a comparison operator was intended, which might allow remote attackers to cause
42Plan
CVE-2016-10192Heap-based buffer overflow in ffserver.c in FFmpeg before 2.8.10, 3.0.x before 3.0.5, 3.1.x before 3.1.6, and 3.2.x before 3.2.2 allows remo
41Plan
CVE-2016-10191Heap-based buffer overflow in libavformat/rtmppkt.c in FFmpeg before 2.8.10, 3.0.x before 3.0.5, 3.1.x before 3.1.6, and 3.2.x before 3.2.2
41Plan

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / package	Fixed version	Source
debian:ffmpeg	7:9.0.2-1 · Debian:14	Package registry (OSV)
opensuse:ffmpeg-4	4.4.8-4.1 · openSUSE:Tumbleweed	Package registry (OSV)
opensuse:ffmpeg-7	7.1.5-2.1 · openSUSE:Tumbleweed	Package registry (OSV)
opensuse:ffmpeg-8	8.1.2-3.1 · openSUSE:Tumbleweed	Package registry (OSV)
opensuse:ffmpeg-9	9.0.1-2.1 · openSUSE:Tumbleweed	Package registry (OSV)
suse:ffmpeg	3.4.2-150200.11.79.1 · SUSE:Linux Enterprise Module for Desktop Applications 15 SP7	Package registry (OSV)
suse:ffmpeg-4	4.4.8-150600.13.55.1 · SUSE:Linux Enterprise Module for Package Hub 15 SP7	Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Adrian Junge (vurlo)finder

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

CVE-2026-657060 days apartFFmpeg 3.0 - 8.1.2 vf_swaprect Out-of-Bounds Write via NV12 Frame Processing
34Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

National notice (Türkiye Cybersecurity Directorate / USOM)

Official security notices citing this record; remediation advice is on the agency's page.

TR-26-0628 · Jul 24, 2026(FFmpeg Güvenlik Zafiyeti)

All national notices →

Technical details

Attack conditions

Someone with local access to the system can trigger it.
No account or password is required.
No special conditions are required; it is repeatable.

If successful

Confidentiality
Integrity
Availability

Attack vector: Local
Attack complexity: Low
Privileges required: None
User interaction: P
Scope: X

Weakness class (CWE)

CWE-131 · Incorrect Calculation of Buffer Size

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

nvd-secondary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Attack patterns (CAPEC)

ATT&CK techniques

—

Change log

Fix✗ → ✓Sep 28, 2026, 10:46 PM UTC

For records you follow, these changes also arrive as notifications. →

References

code.ffmpeg.org/FFmpeg/FFmpeg/commit/f186c50cf53aec20e9a29059cb22ca3f2d59201c

Show all references (2 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records