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CVE Record

CVE-2022-4743: A potential memory leak issue was discovered in SDL2 in GLES_CreateTexture() function in SDL_render_gles.c.

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.

HighCVSS 7.5Not KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

SDL2 has a memory leak in texture creation for its GLES renderer. Sources state an unauthenticated attacker could cause denial of service by exhausting availability. This matters for applications that bundle or depend on affected SDL2 versions.

Executive priority

Treat as a high-priority availability risk where SDL2 is used in exposed services or high-reliability applications. It is less urgent for isolated desktop-only use, but still should be patched through normal dependency maintenance.

Technical view

CVE-2022-4743 is CWE-401 in SDL2's GLES_CreateTexture() within SDL_render_gles.c. The record lists SDL2 v2.0.4 and above as affected, with fixes in sdl-2.26.0 and sdl-prerelease-2.25.1. CVSS 3.1 is 7.5: network, low complexity, no privileges, no user interaction, availability impact only.

Likely exposure

Exposure is most likely in applications or distributions using SDL2 2.0.4 or later before the fixed release, especially where SDL2 handles remotely influenced rendering workloads. SDL-1.x is explicitly not affected.

Exploitation context

The bundle does not cite active exploitation, and the CVE is not marked CISA KEV. The documented impact is denial of service through memory leakage, not confidentiality or integrity compromise.

Researcher notes

The source bundle identifies the vulnerable function and fixed upstream release, but does not provide detailed trigger conditions or proof of exploitation. Validate exposure by version, linkage model, vendor backports, and whether GLES texture creation is reachable in the application.

Mitigation direction

  • Upgrade SDL2 to 2.26.0 or a vendor-fixed package.
  • Apply relevant Debian, Gentoo, Red Hat, or upstream SDL guidance.
  • Rebuild applications that bundle a vulnerable SDL2 copy.
  • Prioritize externally reachable or service-facing rendering workloads.
  • If upgrade timing is blocked, follow vendor mitigation guidance.

Validation and detection

  • Inventory system and bundled SDL2 versions across affected assets.
  • Confirm SDL2 is 2.26.0 or vendor-patched equivalent.
  • Check SBOMs and package manifests for embedded SDL2 copies.
  • Identify apps using SDL2 GLES rendering paths.
  • Verify vulnerability scanners map findings to fixed package versions.
Prepared
Confidence
medium
Sources
7

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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cwe · low confidence lookup

CWE-401: Exact CWE lookup

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cve · low confidence lookup

CVE-2022-4743 mapping review

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Vulnerability profileCVE Program record
Severity
High
CVSS
7.5 (3.1)
Known Exploited
No
Published

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

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
8Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
7.5CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H3.93.6Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

7.5High
CVSS 3.1 vector shape for CVE-2022-4743Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/aSDL2Affects SDL2 v2.0.4 and above, Fixed-in sdl-2.26.0, sdl-prerelease-2.25.1Listed
Weakness

CWE details

CWE-401

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-401 · source CWE mapping

Missing Release of Memory after Effective Lifetime

Missing Release of Memory after Effective Lifetime represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.

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