CVE-2019-14491

Exp

An issue was discovered in OpenCV before 3.4.7 and 4.x before 4.1.1. There is an out of bounds read in the function cv::predictOrdered<cv::HaarEvaluator> in modules/objdetect/src/cascadedetect.hpp, which leads to denial of service.

Published: 2019-08-01 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2019-14491 is rated High Exploit Risk (79.4/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.65%). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.34% over the last day, indicating growing attacker interest. 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-2019-14491

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

Exploit prediction scoring system (EPSS) score for CVE-2019-14491

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 0.31% 2.65% +2.34%
2 2026-02-09 0.54% 0.31% -0.23%
3 2025-11-21 — 0.54% —

Full EPSS history (16 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2019-14491

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.2 3.0 HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/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: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:L)
Some sensitive info could get out, but not a total data dump.
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.
 3.9 4.2 [email protected]
6.4 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 4.9 [email protected]

Weakness enumeration for CVE-2019-14491

GitHub Security Advisory for CVE-2019-14491

OS Trackers for CVE-2019-14491

vendor priority summary link
debian not yet assigned CVE-2019-14491 not yet assigned priority: Debian including 1 source packages (opencv), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2019-14491
redhat medium — https://access.redhat.com/security/cve/CVE-2019-14491
suse medium — https://www.suse.com/security/cve/CVE-2019-14491/
ubuntu medium CVE-2019-14491 medium priority: Ubuntu including 1 source packages (opencv), 13 status rows across 13 suites (bionic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, trusty, upstream, xenial): not-affected 7, ignored 4, released 2. https://ubuntu.com/security/CVE-2019-14491

Affected software / configurations for CVE-2019-14491

Vendor Product Version Raw CPE
opencv opencv < 3.4.7 cpe:2.3:a:opencv:opencv:*:*:*:*:*:*:*:*
opencv opencv >= 4.0.0, < 4.1.1 cpe:2.3:a:opencv:opencv:*:*:*:*:*:*:*:*

References for CVE-2019-14491

cvelogic Threat Intelligence