CVE-2025-1938
published 2025-03-04CVE-2025-1938: Memory safety bugs present in Firefox 135, Thunderbird 135, Firefox ESR 128.7, and Thunderbird 128.7. Some of these bugs showed evidence of memory corruption…
PriorityP335medium6.5CVSS 3.1
AVNACLPRNUINSUCLILAN
EPSS
0.31%
23.2th percentile
Memory safety bugs present in Firefox 135, Thunderbird 135, Firefox ESR 128.7, and Thunderbird 128.7. 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 was fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.
Affected
12 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | firefox | < firefox 136.0-1 (sid) | firefox 136.0-1 (sid) |
| debian | firefox-esr | < firefox 136.0-1 (sid) | firefox 136.0-1 (sid) |
| debian | thunderbird | < firefox 136.0-1 (sid) | firefox 136.0-1 (sid) |
| mozilla | firefox | < 128.7.0 | 128.7.0 |
| mozilla | firefox | < 135.0 | 135.0 |
| mozilla | firefox | — | — |
| mozilla | thunderbird | < 128.7.0 | 128.7.0 |
| mozilla | thunderbird | >= 0 < 1:128.8.0esr-1~deb11u1 | 1:128.8.0esr-1~deb11u1 |
| mozilla | thunderbird | >= 0 < 1:128.8.0esr-1~deb12u1 | 1:128.8.0esr-1~deb12u1 |
| mozilla | thunderbird | >= 0 < 1:128.8.0esr-1 | 1:128.8.0esr-1 |
| mozilla | thunderbird | >= 0 < 1:128.8.0esr-1 | 1:128.8.0esr-1 |
| mozilla | thunderbird | >= 129.0 < 135.0 | 135.0 |
CVSS provenance
nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
osv6.5MEDIUM
vendor_debian6.5MEDIUM
vendor_redhat6.5MEDIUM
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OSV
CVE-2025-1938: Memory safety bugs present in Firefox 135, Thunderbird 135, Firefox ESR 128
osv·2025-03-04·CVSS 6.5
CVE-2025-1938 [MEDIUM] CVE-2025-1938: Memory safety bugs present in Firefox 135, Thunderbird 135, Firefox ESR 128
Memory safety bugs present in Firefox 135, Thunderbird 135, Firefox ESR 128.7, and Thunderbird 128.7. 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 Firefox < 136, Firefox ESR < 128.8, Thunderbird < 136, and Thunderbird < 128.8.
GHSA
GHSA-f8xf-r8j3-6845: Memory safety bugs present in Firefox 135, Thunderbird 135, Firefox ESR 128
ghsa_unreviewed·2025-03-04
CVE-2025-1938 [MEDIUM] CWE-787 GHSA-f8xf-r8j3-6845: Memory safety bugs present in Firefox 135, Thunderbird 135, Firefox ESR 128
Memory safety bugs present in Firefox 135, Thunderbird 135, Firefox ESR 128.7, and Thunderbird 128.7. 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 Firefox < 136 and Firefox ESR < 128.8.
Ubuntu
Thunderbird vulnerabilities
vendor_ubuntu·2025-07-22
CVE-2025-4083 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: This update uses a new upstream release, which includes additional bug
fixes. After a standard system update you need to restart thunderbird to
make all the necessary changes.
Red Hat
firefox: thunderbird: Memory safety bugs fixed in Firefox 136, Thunderbird 136, Firefox ESR 128.8, and Thunderbird 128.8
vendor_redhat·2025-03-04·CVSS 6.5
CVE-2025-1938 [MEDIUM] CWE-120 firefox: thunderbird: Memory safety bugs fixed in Firefox 136, Thunderbird 136, Firefox ESR 128.8, and Thunderbird 128.8
firefox: thunderbird: Memory safety bugs fixed in Firefox 136, Thunderbird 136, Firefox ESR 128.8, and Thunderbird 128.8
Memory safety bugs present in Firefox 135, Thunderbird 135, Firefox ESR 128.7, and Thunderbird 128.7. 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 Firefox < 136, Firefox ESR < 128.8, Thunderbird < 136, and Thunderbird < 128.8.
A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bugs present in Firefox 135, Thunderbird 135, Firefox ESR 128.7, and Thunderbird 128.7. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of th
Debian
CVE-2025-1938: firefox - Memory safety bugs present in Firefox 135, Thunderbird 135, Firefox ESR 128.7, a...
vendor_debian·2025·CVSS 6.5
CVE-2025-1938 [MEDIUM] CVE-2025-1938: firefox - Memory safety bugs present in Firefox 135, Thunderbird 135, Firefox ESR 128.7, a...
Memory safety bugs present in Firefox 135, Thunderbird 135, Firefox ESR 128.7, and Thunderbird 128.7. 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 Firefox < 136, Firefox ESR < 128.8, Thunderbird < 136, and Thunderbird < 128.8.
Scope: local
sid: resolved (fixed in 136.0-1)
Mozilla
Mozilla Foundation Security Advisory 2025-14: CVE-2025-1938
vendor_mozilla·CVSS 6.5
CVE-2025-1938 [MEDIUM] Mozilla Foundation Security Advisory 2025-14: CVE-2025-1938
Mozilla Foundation Security Advisory 2025-14
CVE: CVE-2025-1938
Product: Firefox
Impact: high
Fixed in: Firefox 136
Mozilla
Mozilla Foundation Security Advisory 2025-18: CVE-2025-1938
vendor_mozilla·CVSS 6.5
CVE-2025-1938 [MEDIUM] Mozilla Foundation Security Advisory 2025-18: CVE-2025-1938
Mozilla Foundation Security Advisory 2025-18
CVE: CVE-2025-1938
Product: Thunderbird
Impact: high
Fixed in: Thunderbird 128.8
Mozilla
Mozilla Foundation Security Advisory 2025-16: CVE-2025-1938
vendor_mozilla·CVSS 6.5
CVE-2025-1938 [MEDIUM] Mozilla Foundation Security Advisory 2025-16: CVE-2025-1938
Mozilla Foundation Security Advisory 2025-16
CVE: CVE-2025-1938
Product: Firefox ESR
Impact: high
Fixed in: Firefox ESR 128.8
Mozilla
Mozilla Foundation Security Advisory 2025-17: CVE-2025-1938
vendor_mozilla·CVSS 6.5
CVE-2025-1938 [MEDIUM] Mozilla Foundation Security Advisory 2025-17: CVE-2025-1938
Mozilla Foundation Security Advisory 2025-17
CVE: CVE-2025-1938
Product: Thunderbird
Impact: high
Fixed in: Thunderbird 136
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1922889%2C1935004%2C1943586%2C1943912%2C1948111https://www.mozilla.org/security/advisories/mfsa2025-14/https://www.mozilla.org/security/advisories/mfsa2025-16/https://www.mozilla.org/security/advisories/mfsa2025-17/https://www.mozilla.org/security/advisories/mfsa2025-18/https://lists.debian.org/debian-lts-announce/2025/03/msg00006.html
2025-03-04
Published