CVE-2025-3031
published 2025-04-01CVE-2025-3031: An attacker could read 32 bits of values spilled onto the stack in a JIT compiled function. This vulnerability was fixed in Firefox 137 and Thunderbird 137.
PriorityP433medium6.5CVSS 3.1
AVNACLPRNUINSUCLILAN
EPSS
0.28%
20.2th percentile
An attacker could read 32 bits of values spilled onto the stack in a JIT compiled function. 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
nvdv3.16.5MEDIUMCVSS: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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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.
Red Hat
firefox: thunderbird: JIT optimization bug with different stack slot sizes
vendor_redhat·2025-04-01·CVSS 6.5
CVE-2025-3031 [MEDIUM] CWE-203 firefox: thunderbird: JIT optimization bug with different stack slot sizes
firefox: thunderbird: JIT optimization bug with different stack slot sizes
An attacker could read 32 bits of values spilled onto the stack in a JIT compiled function. This vulnerability affects Firefox < 137 and Thunderbird < 137.
A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: An attacker could read 32 bits of values spilled onto the stack in a JIT compiled function.
Statement: Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.
Package: firefox (Red Hat Enterprise Linux 10) - Fix deferred
Package: firefox-flatpak-container (Red Hat Enterprise Linux 10) - Fix deferred
Package: thunderbird (Red Hat Enterprise Linux 10) - Fix deferred
Package: thunderbird-flatpak-con
Debian
CVE-2025-3031: firefox - An attacker could read 32 bits of values spilled onto the stack in a JIT compile...
vendor_debian·2025·CVSS 6.5
CVE-2025-3031 [MEDIUM] CVE-2025-3031: firefox - An attacker could read 32 bits of values spilled onto the stack in a JIT compile...
An attacker could read 32 bits of values spilled onto the stack in a JIT compiled function. 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-2025-3031
vendor_mozilla·CVSS 6.5
CVE-2025-3031 [MEDIUM] Mozilla Foundation Security Advisory 2025-20: CVE-2025-3031
Mozilla Foundation Security Advisory 2025-20
CVE: CVE-2025-3031
Product: Firefox
Impact: high
Fixed in: Firefox 137
Mozilla
Mozilla Foundation Security Advisory 2025-23: CVE-2025-3031
vendor_mozilla·CVSS 6.5
CVE-2025-3031 [MEDIUM] Mozilla Foundation Security Advisory 2025-23: CVE-2025-3031
Mozilla Foundation Security Advisory 2025-23
CVE: CVE-2025-3031
Product: Thunderbird
Impact: high
Fixed in: Thunderbird 137
OSV
CVE-2025-3031: An attacker could read 32 bits of values spilled onto the stack in a JIT compiled function
osv·2025-04-01·CVSS 6.5
CVE-2025-3031 [MEDIUM] CVE-2025-3031: An attacker could read 32 bits of values spilled onto the stack in a JIT compiled function
An attacker could read 32 bits of values spilled onto the stack in a JIT compiled function. This vulnerability affects Firefox < 137 and Thunderbird < 137.
GHSA
GHSA-5v8r-67h5-p4jj: An attacker could read 32 bits of values spilled onto the stack in a JIT compiled function
ghsa_unreviewed·2025-04-01
CVE-2025-3031 [MEDIUM] CWE-200 GHSA-5v8r-67h5-p4jj: An attacker could read 32 bits of values spilled onto the stack in a JIT compiled function
An attacker could read 32 bits of values spilled onto the stack in a JIT compiled function. 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