CVE-2023-36377

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total 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

0.30% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 22.4% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

2023-07-03 00:00Z3 YR AGO

Last updated

2025-12-30 08:05Z8 MO AGO

Reserved

2023-06-21

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base

Data version

5.2

Document digest

38bc0156f1cffd3b4cb34af20219a9de52e86ad9e41a1eafc07e8aa61142ab99

• github.comhttps://github.com/mtrojnar/osslsigncode/releases/tag/2.3
• github.comhttps://github.com/mtrojnar/osslsigncode/compare/2.2...2.3
• lists.debian.org[debian-lts-announce] 20231223 [SECURITY] [DLA 3693-1] osslsigncode security updatehttps://lists.debian.org/debian-lts-announce/2023/12/msg00016.htmlmailing-list
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2025/12/msg00037.html