CVE-2025-3028
published 2025-04-01CVE-2025-3028: JavaScript code running while transforming a document with the XSLTProcessor could lead to a use-after-free. This vulnerability was fixed in Firefox 137…
PriorityP432medium6.5CVSS 3.1
AVNACLPRNUINSUCNILAL
EPSS
0.87%
58.5th percentile
JavaScript code running while transforming a document with the XSLTProcessor could lead to a use-after-free. This vulnerability was fixed in Firefox 137, Firefox ESR 115.22, Firefox ESR 128.9, Thunderbird 137, and Thunderbird 128.9.
Affected
13 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | firefox | < firefox 137.0-1 (sid) | firefox 137.0-1 (sid) |
| debian | firefox-esr | < firefox 137.0-1 (sid) | firefox 137.0-1 (sid) |
| debian | thunderbird | < firefox 137.0-1 (sid) | firefox 137.0-1 (sid) |
| mozilla | firefox | < 115.22.0 | 115.22.0 |
| mozilla | firefox | < 137.0 | 137.0 |
| mozilla | firefox | — | — |
| mozilla | firefox | >= 116.0 < 128.9.0 | 128.9.0 |
| mozilla | thunderbird | < 128.9.0 | 128.9.0 |
| mozilla | thunderbird | >= 0 < 1:128.9.0esr-1~deb11u1 | 1:128.9.0esr-1~deb11u1 |
| mozilla | thunderbird | >= 0 < 1:128.9.0esr-1~deb12u1 | 1:128.9.0esr-1~deb12u1 |
| mozilla | thunderbird | >= 0 < 1:128.9.0esr-1 | 1:128.9.0esr-1 |
| mozilla | thunderbird | >= 0 < 1:128.9.0esr-1 | 1:128.9.0esr-1 |
| mozilla | thunderbird | 129.0 – 137.0 | — |
CVSS provenance
nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
osv6.5MEDIUM
vendor_debian6.5MEDIUM
vendor_redhat6.5MEDIUM
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
VulDB
Mozilla Firefox up to 136 XSLTProcessor use after free (Nessus ID 233651)
vuldb·2026-10-01·CVSS 6.5
CVE-2025-3028 [MEDIUM] Mozilla Firefox up to 136 XSLTProcessor use after free (Nessus ID 233651)
A vulnerability classified as critical has been found in Mozilla Firefox up to 136. The affected element is an unknown function of the component XSLTProcessor. The manipulation leads to use after free.
This vulnerability is listed as CVE-2025-3028. The attack may be initiated remotely. There is no available exploit.
It is recommended to upgrade the affected component.
VulDB
Mozilla Thunderbird up to 136 XSLTProcessor use after free (Nessus ID 233651)
vuldb·2026-10-01·CVSS 6.5
CVE-2025-3028 [MEDIUM] Mozilla Thunderbird up to 136 XSLTProcessor use after free (Nessus ID 233651)
A vulnerability classified as critical was found in Mozilla Thunderbird up to 136. The impacted element is an unknown function of the component XSLTProcessor. The manipulation results in use after free.
This vulnerability is cataloged as CVE-2025-3028. The attack may be launched remotely. There is no exploit available.
Upgrading the affected component is advised.
GHSA
GHSA-p5r8-47qx-x497: JavaScript code running while transforming a document with the XSLTProcessor could lead to a use-after-free
ghsa_unreviewed·2025-04-01
CVE-2025-3028 [MEDIUM] CWE-416 GHSA-p5r8-47qx-x497: JavaScript code running while transforming a document with the XSLTProcessor could lead to a use-after-free
JavaScript code running while transforming a document with the XSLTProcessor could lead to a use-after-free. This vulnerability affects Firefox < 137, Firefox ESR < 115.22, Firefox ESR < 128.9, Thunderbird < 137, and Thunderbird ESR < 128.9.
OSV
CVE-2025-3028: JavaScript code running while transforming a document with the XSLTProcessor could lead to a use-after-free
osv·2025-04-01·CVSS 6.5
CVE-2025-3028 [MEDIUM] CVE-2025-3028: JavaScript code running while transforming a document with the XSLTProcessor could lead to a use-after-free
JavaScript code running while transforming a document with the XSLTProcessor could lead to a use-after-free. This vulnerability affects Firefox < 137, Firefox ESR < 115.22, Firefox ESR < 128.9, Thunderbird < 137, and Thunderbird < 128.9.
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: Use-after-free triggered by XSLTProcessor
vendor_redhat·2025-04-01·CVSS 6.5
CVE-2025-3028 [MEDIUM] CWE-416 firefox: thunderbird: Use-after-free triggered by XSLTProcessor
firefox: thunderbird: Use-after-free triggered by XSLTProcessor
JavaScript code running while transforming a document with the XSLTProcessor could lead to a use-after-free. This vulnerability affects Firefox < 137, Firefox ESR < 115.22, Firefox ESR < 128.9, Thunderbird < 137, and Thunderbird < 128.9.
A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: JavaScript code running while transforming a document with the XSLTProcessor could lead to a use-after-free.
Statement: Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.
Package: firefox-flatpak-container (Red Hat Enterprise Linux 10) - Not affected
Package: thunderbird-flatpak-container (Red Hat Enterprise Linux 10) - Not
Debian
CVE-2025-3028: firefox - JavaScript code running while transforming a document with the XSLTProcessor cou...
vendor_debian·2025·CVSS 6.5
CVE-2025-3028 [MEDIUM] CVE-2025-3028: firefox - JavaScript code running while transforming a document with the XSLTProcessor cou...
JavaScript code running while transforming a document with the XSLTProcessor could lead to a use-after-free. This vulnerability affects Firefox < 137, Firefox ESR < 115.22, Firefox ESR < 128.9, Thunderbird < 137, and Thunderbird < 128.9.
Scope: local
sid: resolved (fixed in 137.0-1)
Mozilla
Mozilla Foundation Security Advisory 2025-22: CVE-2025-3028
vendor_mozilla·CVSS 6.5
CVE-2025-3028 [MEDIUM] Mozilla Foundation Security Advisory 2025-22: CVE-2025-3028
Mozilla Foundation Security Advisory 2025-22
CVE: CVE-2025-3028
Product: Firefox ESR
Impact: high
Fixed in: Firefox ESR 128.9
Mozilla
Mozilla Foundation Security Advisory 2025-21: CVE-2025-3028
vendor_mozilla·CVSS 6.5
CVE-2025-3028 [MEDIUM] Mozilla Foundation Security Advisory 2025-21: CVE-2025-3028
Mozilla Foundation Security Advisory 2025-21
CVE: CVE-2025-3028
Product: Firefox ESR
Impact: high
Fixed in: Firefox ESR 115.22
Mozilla
Mozilla Foundation Security Advisory 2025-23: CVE-2025-3028
vendor_mozilla·CVSS 6.5
CVE-2025-3028 [MEDIUM] Mozilla Foundation Security Advisory 2025-23: CVE-2025-3028
Mozilla Foundation Security Advisory 2025-23
CVE: CVE-2025-3028
Product: Thunderbird
Impact: high
Fixed in: Thunderbird 137
Mozilla
Mozilla Foundation Security Advisory 2025-24: CVE-2025-3028
vendor_mozilla·CVSS 6.5
CVE-2025-3028 [MEDIUM] Mozilla Foundation Security Advisory 2025-24: CVE-2025-3028
Mozilla Foundation Security Advisory 2025-24
CVE: CVE-2025-3028
Product: Thunderbird
Impact: high
Fixed in: Thunderbird 128.9
Mozilla
Mozilla Foundation Security Advisory 2025-20: CVE-2025-3028
vendor_mozilla·CVSS 6.5
CVE-2025-3028 [MEDIUM] Mozilla Foundation Security Advisory 2025-20: CVE-2025-3028
Mozilla Foundation Security Advisory 2025-20
CVE: CVE-2025-3028
Product: Firefox
Impact: high
Fixed in: Firefox 137
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://bugzilla.mozilla.org/show_bug.cgi?id=1941002https://www.mozilla.org/security/advisories/mfsa2025-20/https://www.mozilla.org/security/advisories/mfsa2025-21/https://www.mozilla.org/security/advisories/mfsa2025-22/https://www.mozilla.org/security/advisories/mfsa2025-23/https://www.mozilla.org/security/advisories/mfsa2025-24/https://lists.debian.org/debian-lts-announce/2025/04/msg00005.html
2025-04-01
Published