CVE-2022-43240

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.90% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 59.6% of scored records. A rank, not a probability.

NVD base score

6.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2022-11-02 00:00Z3 YR AGO

Last updated

2025-05-05 14:49Z1 YR AGO

Reserved

2022-10-17

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Medium (CVSS 6.5)

CNA CVSS vector

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

Weaknesses

• CWE-787Out-of-bounds WriteBase

Data version

5.1

Document digest

bd86de9a12caa970ed713f209ba47fbc0cb8088e22550485603629b19910ee17

• github.comhttps://github.com/strukturag/libde265/issues/335
• lists.debian.org[debian-lts-announce] 20230124 [SECURITY] [DLA 3280-1] libde265 security updatehttps://lists.debian.org/debian-lts-announce/2023/01/msg00020.htmlmailing-list
• www.debian.orgDSA-5346https://www.debian.org/security/2023/dsa-5346vendor-advisory