CVE-2023-6862

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

0.95% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 58.8% of scored records. A rank, not a probability.

NVD base score

8.8 (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:H/I:H/A:H

NVD analysis status

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

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

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

2023-12-19 13:38Z2 YR AGO

Last updated

2025-02-13 17:26Z1 YR AGO

Reserved

2023-12-15

Assigning CNA

mozilla

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-416Use After FreeVariant

Data version

5.1

Document digest

20fae329040078b5bb9d081aaf26dc5141117f5ecd34e071e705a862fb3b4bf6

• bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1868042
• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2023-54/
• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2023-55/
• www.debian.orghttps://www.debian.org/security/2023/dsa-5581
• www.debian.orghttps://www.debian.org/security/2023/dsa-5582
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2023/12/msg00020.html
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2023/12/msg00021.html
• security.gentoo.orghttps://security.gentoo.org/glsa/202401-10