Is CVE-2022-4743 in the CISA KEV catalog?

No. CVE-2022-4743 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-4743?

CVE-2022-4743 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2022-4743?

CVE-2022-4743 has an EPSS score of 1.26% (66th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-4743?

Upgrade libsdl2 on debian 11 to 2.0.14+dfsg2-3+deb11u2 or later.

CVE & CISA-KEV Catalog

CVE-2022-4743

HIGH

7.5

CVSS v3

NVD

Description

A potential memory leak issue was discovered in SDL2 in GLES_CreateTexture() function in SDL_render_gles.c. The vulnerability allows an attacker to cause a denial of service attack. The vulnerability affects SDL2 v2.0.4 and above. SDL-1.x are not affected.

CWE-401Missing Release of Memory (Memory Leak)

How to fix

Remediation Available

libsdl2Debian

Fixed in:2.0.14+dfsg2-3+deb11u2CVE-2022-4743

Fixed in:2.26.0+dfsg-1CVE-2022-4743

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

1.26%probability of exploitation in 30 days

66thpercentile

Moderate risk: more likely to be exploited than 66% of all known CVEs.

References

Patch3

Third-Party Advisory1

access.redhat.com

Other references3

Related Vulnerabilities

Other CWE-401 (Missing Release of Memory (Memory Leak)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-13934	High	7.5	64%	-	Fix
CVE-2016-6304	High	7.5	63%	-	Fix
CVE-2019-12265	Medium	5.3	55%	-	Fix
CVE-2001-0136	Medium	5.0	45%	-	-
CVE-2016-4232	High	7.5	36%	-	-
CVE-2001-0543	Medium	5.0	21%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-25.