CVE-2025-1009
published 2025-02-04CVE-2025-1009: An attacker could have caused a use-after-free via crafted XSLT data, leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 135…
PriorityP348critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
1.16%
63.4th percentile
An attacker could have caused a use-after-free via crafted XSLT data, leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.
Affected
14 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | firefox | < firefox 135.0-1 (sid) | firefox 135.0-1 (sid) |
| debian | firefox-esr | < firefox 135.0-1 (sid) | firefox 135.0-1 (sid) |
| debian | thunderbird | < firefox 135.0-1 (sid) | firefox 135.0-1 (sid) |
| mozilla | firefox | < 115.20.0 | 115.20.0 |
| mozilla | firefox | < 135.0 | 135.0 |
| mozilla | firefox | — | — |
| mozilla | firefox | >= 0 < 135.0+build2-0ubuntu0.20.04.1 | 135.0+build2-0ubuntu0.20.04.1 |
| mozilla | firefox | >= 128.1.0 < 128.7.0 | 128.7.0 |
| mozilla | thunderbird | >= 0 < 1:128.7.0esr-1~deb11u1 | 1:128.7.0esr-1~deb11u1 |
| mozilla | thunderbird | >= 0 < 1:128.7.0esr-1~deb12u1 | 1:128.7.0esr-1~deb12u1 |
| mozilla | thunderbird | >= 0 < 1:128.7.0esr-1 | 1:128.7.0esr-1 |
| mozilla | thunderbird | >= 0 < 1:128.7.0esr-1 | 1:128.7.0esr-1 |
| mozilla | thunderbird | >= 128.0.1 < 128.7.0 | 128.7.0 |
| mozilla | thunderbird | >= 131.0 < 135.0 | 135.0 |
CVSS provenance
nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
osv9.8CRITICAL
vendor_debian9.8CRITICAL
vendor_redhat9.8CRITICAL
vendor_ubuntu9.8CRITICAL
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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.
Ubuntu
Firefox vulnerabilities
vendor_ubuntu·2025-02-11·CVSS 9.8
CVE-2025-1016 [CRITICAL] Firefox vulnerabilities
Title: Firefox vulnerabilities
Summary: Several security issues were fixed in Firefox.
Multiple security issues were discovered in Firefox. If a user were
tricked into opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, obtain sensitive
information across domains, or execute arbitrary code. (CVE-2025-1011,
CVE-2025-1013, CVE-2025-1014, CVE-2025-1016, CVE-2025-1017, CVE-2025-1018,
CVE-2025-1019, CVE-2025-1020)
Ivan Fratric discovered that Firefox did not properly handle XSLT data,
leading to a use-after-free vulnerability. An attacker could potentially
exploit this issue to cause a denial of service, or execute arbitrary code.
(CVE-2025-1009)
Atte Kettunen discovered that Firefox did not properly manage memory in
the Custom High
Red Hat
firefox: thunderbird: Use-after-free in XSLT
vendor_redhat·2025-02-04·CVSS 9.8
CVE-2025-1009 [CRITICAL] CWE-416 firefox: thunderbird: Use-after-free in XSLT
firefox: thunderbird: Use-after-free in XSLT
An attacker could have caused a use-after-free via crafted XSLT data, leading to a potentially exploitable crash. This vulnerability affects Firefox < 135, Firefox ESR < 115.20, Firefox ESR < 128.7, Thunderbird < 128.7, and Thunderbird < 135.
A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: An attacker could have caused a use-after-free via crafted XSLT data, leading to a potentially exploitable crash.
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) - Affected
Package: firefox-flatpak-container (Red Hat Enterprise Linux 10) - Not affected
Package: thunderbird (Re
Debian
CVE-2025-1009: firefox - An attacker could have caused a use-after-free via crafted XSLT data, leading to...
vendor_debian·2025·CVSS 9.8
CVE-2025-1009 [CRITICAL] CVE-2025-1009: firefox - An attacker could have caused a use-after-free via crafted XSLT data, leading to...
An attacker could have caused a use-after-free via crafted XSLT data, leading to a potentially exploitable crash. This vulnerability affects Firefox < 135, Firefox ESR < 115.20, Firefox ESR < 128.7, Thunderbird < 128.7, and Thunderbird < 135.
Scope: local
sid: resolved (fixed in 135.0-1)
Mozilla
Mozilla Foundation Security Advisory 2025-09: CVE-2025-1009
vendor_mozilla·CVSS 9.8
CVE-2025-1009 [CRITICAL] Mozilla Foundation Security Advisory 2025-09: CVE-2025-1009
Mozilla Foundation Security Advisory 2025-09
CVE: CVE-2025-1009
Product: Firefox ESR
Impact: moderate
Fixed in: Firefox ESR 128.7
Mozilla
Mozilla Foundation Security Advisory 2025-11: CVE-2025-1009
vendor_mozilla·CVSS 9.8
CVE-2025-1009 [CRITICAL] Mozilla Foundation Security Advisory 2025-11: CVE-2025-1009
Mozilla Foundation Security Advisory 2025-11
CVE: CVE-2025-1009
Product: Thunderbird
Impact: high
Fixed in: Thunderbird 135
Mozilla
Mozilla Foundation Security Advisory 2025-08: CVE-2025-1009
vendor_mozilla·CVSS 9.8
CVE-2025-1009 [CRITICAL] Mozilla Foundation Security Advisory 2025-08: CVE-2025-1009
Mozilla Foundation Security Advisory 2025-08
CVE: CVE-2025-1009
Product: Firefox ESR
Impact: high
Fixed in: Firefox ESR 115.20
Mozilla
Mozilla Foundation Security Advisory 2025-07: CVE-2025-1009
vendor_mozilla·CVSS 9.8
CVE-2025-1009 [CRITICAL] Mozilla Foundation Security Advisory 2025-07: CVE-2025-1009
Mozilla Foundation Security Advisory 2025-07
CVE: CVE-2025-1009
Product: Firefox
Impact: high
Fixed in: Firefox 135
Mozilla
Mozilla Foundation Security Advisory 2025-10: CVE-2025-1009
vendor_mozilla·CVSS 9.8
CVE-2025-1009 [CRITICAL] Mozilla Foundation Security Advisory 2025-10: CVE-2025-1009
Mozilla Foundation Security Advisory 2025-10
CVE: CVE-2025-1009
Product: Thunderbird
Impact: moderate
Fixed in: Thunderbird 128.7
OSV
firefox vulnerabilities
osv·2025-02-11·CVSS 9.8
CVE-2025-1011 [CRITICAL] firefox vulnerabilities
firefox vulnerabilities
Multiple security issues were discovered in Firefox. If a user were
tricked into opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, obtain sensitive
information across domains, or execute arbitrary code. (CVE-2025-1011,
CVE-2025-1013, CVE-2025-1014, CVE-2025-1016, CVE-2025-1017, CVE-2025-1018,
CVE-2025-1019, CVE-2025-1020)
Ivan Fratric discovered that Firefox did not properly handle XSLT data,
leading to a use-after-free vulnerability. An attacker could potentially
exploit this issue to cause a denial of service, or execute arbitrary code.
(CVE-2025-1009)
Atte Kettunen discovered that Firefox did not properly manage memory in
the Custom Highlight API, leading to a use-after-free vulnerability. An
attacke
GHSA
GHSA-v9m4-7h7v-vqrf: An attacker could have caused a use-after-free via crafted XSLT data, leading to a potentially exploitable crash
ghsa_unreviewed·2025-02-04
CVE-2025-1009 [CRITICAL] CWE-416 GHSA-v9m4-7h7v-vqrf: An attacker could have caused a use-after-free via crafted XSLT data, leading to a potentially exploitable crash
An attacker could have caused a use-after-free via crafted XSLT data, leading to a potentially exploitable crash. This vulnerability affects Firefox < 135, Firefox ESR < 115.20, Firefox ESR < 128.7, Thunderbird < 128.7, and Thunderbird < 135.
OSV
CVE-2025-1009: An attacker could have caused a use-after-free via crafted XSLT data, leading to a potentially exploitable crash
osv·2025-02-04·CVSS 9.8
CVE-2025-1009 [CRITICAL] CVE-2025-1009: An attacker could have caused a use-after-free via crafted XSLT data, leading to a potentially exploitable crash
An attacker could have caused a use-after-free via crafted XSLT data, leading to a potentially exploitable crash. This vulnerability affects Firefox < 135, Firefox ESR < 115.20, Firefox ESR < 128.7, Thunderbird < 128.7, and Thunderbird < 135.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://bugzilla.mozilla.org/show_bug.cgi?id=1936613https://www.mozilla.org/security/advisories/mfsa2025-07/https://www.mozilla.org/security/advisories/mfsa2025-08/https://www.mozilla.org/security/advisories/mfsa2025-09/https://www.mozilla.org/security/advisories/mfsa2025-10/https://www.mozilla.org/security/advisories/mfsa2025-11/https://lists.debian.org/debian-lts-announce/2025/02/msg00005.htmlhttps://lists.debian.org/debian-lts-announce/2025/02/msg00006.html
2025-02-04
Published