CVE-2025-3034
published 2025-04-01CVE-2025-3034: Memory safety bugs present in Firefox 136 and Thunderbird 136. Some of these bugs showed evidence of memory corruption and we presume that with enough effort…
PriorityP343high8.1CVSS 3.1
AVNACHPRNUINSUCHIHAH
EPSS
0.45%
36.0th percentile
Memory safety bugs present in Firefox 136 and Thunderbird 136. 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 was fixed in Firefox 137 and Thunderbird 137.
Affected
5 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | firefox | < firefox 137.0-1 (sid) | firefox 137.0-1 (sid) |
| mozilla | firefox | < 137.0 | 137.0 |
| mozilla | firefox | — | — |
| mozilla | thunderbird | < 137.0 | 137.0 |
| mozilla | thunderbird | >= 0 < 1:140.7.1+build1-0ubuntu0.22.04.1 | 1:140.7.1+build1-0ubuntu0.22.04.1 |
CVSS provenance
nvdv3.18.1HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
osv8.1HIGH
vendor_debian8.1HIGH
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Ubuntu
Thunderbird vulnerabilities
vendor_ubuntu·2026-02-02
CVE-2025-8031 Thunderbird vulnerabilities
Title: Thunderbird vulnerabilities
Summary: Several security issues were fixed in Thunderbird.
Multiple security issues were discovered in Thunderbird. If a user were
tricked into opening a specially crafted website in a browsing context,
an attacker could potentially exploit these to cause a denial of service,
obtain sensitive information, bypass security restrictions, cross-site
tracing, or execute arbitrary code.
Instructions: In general, a standard system update will make all the necessary changes.
Debian
CVE-2025-3034: firefox - Memory safety bugs present in Firefox 136 and Thunderbird 136. Some of these bug...
vendor_debian·2025·CVSS 8.1
CVE-2025-3034 [HIGH] CVE-2025-3034: firefox - Memory safety bugs present in Firefox 136 and Thunderbird 136. Some of these bug...
Memory safety bugs present in Firefox 136 and Thunderbird 136. 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 Firefox < 137 and Thunderbird < 137.
Scope: local
sid: resolved (fixed in 137.0-1)
Mozilla
Mozilla Foundation Security Advisory 2025-20: CVE-2025-3034
vendor_mozilla·CVSS 8.1
CVE-2025-3034 [HIGH] Mozilla Foundation Security Advisory 2025-20: CVE-2025-3034
Mozilla Foundation Security Advisory 2025-20
CVE: CVE-2025-3034
Product: Firefox
Impact: high
Fixed in: Firefox 137
Mozilla
Mozilla Foundation Security Advisory 2025-23: CVE-2025-3034
vendor_mozilla·CVSS 8.1
CVE-2025-3034 [HIGH] Mozilla Foundation Security Advisory 2025-23: CVE-2025-3034
Mozilla Foundation Security Advisory 2025-23
CVE: CVE-2025-3034
Product: Thunderbird
Impact: high
Fixed in: Thunderbird 137
OSV
CVE-2025-3034: Memory safety bugs present in Firefox 136 and Thunderbird 136
osv·2025-04-01·CVSS 8.1
CVE-2025-3034 [HIGH] CVE-2025-3034: Memory safety bugs present in Firefox 136 and Thunderbird 136
Memory safety bugs present in Firefox 136 and Thunderbird 136. 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 Firefox < 137 and Thunderbird < 137.
GHSA
GHSA-2f7m-9j2c-gwvw: Memory safety bugs present in Firefox 136 and Thunderbird 136
ghsa_unreviewed·2025-04-01
CVE-2025-3034 [HIGH] CWE-787 GHSA-2f7m-9j2c-gwvw: Memory safety bugs present in Firefox 136 and Thunderbird 136
Memory safety bugs present in Firefox 136 and Thunderbird 136. 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 Firefox < 137 and Thunderbird < 137.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2025-04-01
Published