CVE-2023-37211

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

0.75% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 52.4% 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

Important. 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

2023-07-05 09:00Z3 YR AGO

Last updated

2025-02-13 16:56Z1 YR AGO

Reserved

2023-06-28

Assigning CNA

mozilla

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-787Out-of-bounds WriteBase
• CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base

Data version

5.1

Document digest

a54f4a5df24b2cfddafb3b8139d9cc074b54f3d4754170f4bfd6f0cae5cac60a

• bugzilla.mozilla.orgMemory safety bugs fixed in Firefox 115, Firefox ESR 102.13, and Thunderbird 102.13https://bugzilla.mozilla.org/buglist.cgi?bug_id=1832306%2C1834862%2C1835886%2C1836550%2C1837450
• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2023-22/
• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2023-23/
• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2023-24/
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2023/07/msg00006.html
• www.debian.orghttps://www.debian.org/security/2023/dsa-5450
• www.debian.orghttps://www.debian.org/security/2023/dsa-5451
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2023/07/msg00015.html