CVE-2023-43281

Exp

Double Free vulnerability in Nothings Stb Image.h v.2.28 allows a remote attacker to cause a denial of service via a crafted file to the stbi_load_gif_main function.

Published: 2023-10-25 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2023-43281 is rated High Exploit Risk (62.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.03%). 2 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2023-43281

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2023-43281

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.21% 1.03% +0.82%
2 2025-11-21 0.63% 0.21% -0.42%
3 2025-11-18 — 0.63% —

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-43281

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
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:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.8 3.6 [email protected]

Weakness enumeration for CVE-2023-43281

OS Trackers for CVE-2023-43281

vendor priority summary link
ubuntu medium CVE-2023-43281 medium priority: Ubuntu including 14 source packages (arm-compute-library, armnn, …), 168 status rows across 12 suites (bionic, focal, jammy, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): ignored 101, needs-triage 52, DNE 8, not-affected 7. https://ubuntu.com/security/CVE-2023-43281

Affected software / configurations for CVE-2023-43281

Vendor Product Version Raw CPE
nothings stb_image.h 2.28 cpe:2.3:a:nothings:stb_image.h:2.28:*:*:*:*:*:*:*

References for CVE-2023-43281

cvelogic Threat Intelligence