CVE-2023-51798 [High] | Memory Corruption in Ffmpeg

CVE-2023-51798 is rated Low Risk (39.7/100): CVSS High severity, with low exploitation likelihood (EPSS 0.32%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-06-15	0.05%	0.32%	+0.27%
2	2025-11-21	0.07%	0.05%	-0.02%
3	2025-11-18	—	0.07%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-06-15

0.05%

0.32%

+0.27%

2025-11-21

0.07%

0.05%

-0.02%

2025-11-18

—

0.07%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
7.8	3.1	HIGH	`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H` Click to expand Attack vector (AV:L) They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by. Attack complexity (AC:L) Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup. Privileges required (PR:L) A normal user session is enough; they don’t have to be admin. User interaction (UI:N) Nobody has to click “OK” or open a trap file; it can work without a victim helping. Scope (S:U) Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems. Confidentiality (C:H) Serious risk that confidential data gets exposed in a big way. Integrity (I:H) They could widely tamper with or forge data—trust in the data is badly hurt. Availability (A:H) Could take the service down hard or make it unusable for people who depend on it.	1.8	5.9	134c704f-9b21-4f2e-91b3-4a467353bcc0

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

7.8

3.1

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Click to expand

Attack vector (AV:L): They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:L): Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L): A normal user session is enough; they don’t have to be admin.
User interaction (UI:N): Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U): Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H): Serious risk that confidential data gets exposed in a big way.
Integrity (I:H): They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H): Could take the service down hard or make it unusable for people who depend on it.

1.8

5.9

134c704f-9b21-4f2e-91b3-4a467353bcc0

OS Trackers for CVE-2023-51798

vendor	priority	summary	link
`alpine`	—	CVE-2023-51798: 1 source package rows (ffmpeg); 15 state rows across 2 repos (3.23-community, edge-community); fixed 0, open 15.	https://security.alpinelinux.org/vuln/CVE-2023-51798
`debian`	not yet assigned	CVE-2023-51798 not yet assigned priority: Debian including 1 source packages (ffmpeg), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5.	https://security-tracker.debian.org/tracker/CVE-2023-51798
`suse`	medium	CVE-2023-51798 severity moderate: SUSE including 189 source package names (0.3.2-1.2:libavcodec58_134-4.4.5-150600.13.16.1, 0.3.2-1.2:libavformat58_76-4.4.5-150600.13.16.1, …), 422 product×package rows across 24 product lines (Container containers/lmcache-vllm-openai, Container containers/open-webui, … (24 product lines)): Fixed 422.	https://www.suse.com/security/cve/CVE-2023-51798/
`ubuntu`	medium	CVE-2023-51798 medium priority: Ubuntu including 1 source packages (ffmpeg), 10 status rows across 10 suites (bionic, focal, jammy, mantic, noble, oracular, plucky, questing, upstream, xenial): not-affected 5, released 4, needs-triage 1.	https://ubuntu.com/security/CVE-2023-51798

Affected software / configurations for CVE-2023-51798

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

References for CVE-2023-51798

URL	Tags
https://ffmpeg.org/	Product
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6G7EYH2JAK5OJPVNC6AXYQ5K7YGYNCDN/	Patch
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IPETICRXUOGRIM4U3BCRTIKE3IZWCSBT/	Patch
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LE3ASLH6QF2E5OVJI5VA3JSEPJFFFMNY/	Patch
https://trac.ffmpeg.org/ticket/10758	Issue Tracking
https://lists.fedoraproject.org/archives/list/[email protected]/message/6G7EYH2JAK5OJPVNC6AXYQ5K7YGYNCDN/	Mailing List
https://lists.fedoraproject.org/archives/list/[email protected]/message/LE3ASLH6QF2E5OVJI5VA3JSEPJFFFMNY/	Mailing List

URL

CVE-2023-51798

Exploit prediction scoring system (EPSS) score for CVE-2023-51798

Common vulnerability scoring system (CVSS) metrics for CVE-2023-51798

Weakness enumeration for CVE-2023-51798

OS Trackers for CVE-2023-51798

Affected software / configurations for CVE-2023-51798

References for CVE-2023-51798