CVE•Published 2023-06-02•Modified 2026-10-23•1 article on news•4 live references•NVD data

CVE-2023-25746Mozilla · Firefox_esr

Vulnerability data via NVD (ingested)

CVSS v3.1

8.8

HIGH

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

EPSS percentile

Exploit Prediction Scoring System · top 49% of all CVEs

Weaknesses (CWE)

CWE-787Out-of-bounds Write

Description

Memory safety bugs present in Firefox ESR 102.7. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 102.8 and Firefox ESR < 102.8.

Timeline

Published 2023-06-02

Modified 2026-10-23

External references

NVD MITRE Exploit-DB VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2023-25746

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Mozilla Firefox Esr"

All exposed Mozilla Firefox Esr instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Firefox Esr"

HTTP body or banner mentions "Firefox Esr" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2023-25746