CVE-2023-43887

Exp

Libde265 v1.0.12 was discovered to contain multiple buffer overflows via the num_tile_columns and num_tile_row parameters in the function pic_parameter_set::dump.

Published: 2023-11-22 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2023-43887 is rated High Exploit Risk (68.3/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.98%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: 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-2023-43887

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

Exploit prediction scoring system (EPSS) score for CVE-2023-43887

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 0.17% 0.98% +0.81%
2 2025-11-21 0.35% 0.17% -0.18%
3 2025-11-18 0.35%

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-43887

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.1 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/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:H)
Serious risk that confidential data gets exposed in a big 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 5.2 [email protected]

Weakness enumeration for CVE-2023-43887

OS Trackers for CVE-2023-43887

vendor priority summary link
debian not yet assigned CVE-2023-43887 not yet assigned priority: Debian including 1 source packages (libde265), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2023-43887
ubuntu medium CVE-2023-43887 medium priority: Ubuntu including 1 source packages (libde265), 9 status rows across 9 suites (bionic, focal, jammy, lunar, mantic, noble, trusty, upstream, xenial): released 6, ignored 2, not-affected 1. https://ubuntu.com/security/CVE-2023-43887

Affected software / configurations for CVE-2023-43887

Vendor Product Version Raw CPE
struktur libde265 1.0.12 cpe:2.3:a:struktur:libde265:1.0.12:*:*:*:*:*:*:*

References for CVE-2023-43887

cvelogic Threat Intelligence