SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2019-5063

An exploitable heap buffer overflow vulnerability exists in the data structure persistence functionality of OpenCV 4.1.0.

HIGH 8.8EPSS 21.1%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 21.1%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.

Description

An exploitable heap buffer overflow vulnerability exists in the data structure persistence functionality of OpenCV 4.1.0. A specially crafted XML file can cause a buffer overflow, resulting in multiple heap corruptions and potential code execution. An attacker can provide a specially crafted file to trigger this vulnerability.

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
21.11% probability · 98th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-120, CWE-787
Affected
opencv/opencv · oracle/application testing suite · oracle/big data spatial and graph · oracle/enterprise manager base platform
Source
talos-cna@cisco.com
EPSS trend
0%13%25%3 November 2026: 21.11%3 November 20263 November 2026

EPSS 21.1% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.