CVE-2025-1931
published 2025-03-04CVE-2025-1931: It was possible to cause a use-after-free in the content process side of a WebTransport connection, leading to a potentially exploitable crash. This…
PriorityP338high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
0.50%
39.3th percentile
It was possible to cause a use-after-free in the content process side of a WebTransport connection, leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 136, Firefox ESR 115.21, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.
Affected
14 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 | < 115.21.0 | 115.21.0 |
| mozilla | firefox | < 136.0 | 136.0 |
| mozilla | firefox | — | — |
| mozilla | firefox | >= 0 < 136.0+build3-0ubuntu0.20.04.1 | 136.0+build3-0ubuntu0.20.04.1 |
| mozilla | firefox | >= 116.0 < 128.8.0 | 128.8.0 |
| mozilla | thunderbird | < 128.8.0 | 128.8.0 |
| 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 < 136.0 | 136.0 |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
osv7.5HIGH
vendor_debian7.5HIGH
vendor_redhat7.5HIGH
vendor_ubuntu7.5HIGH
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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·2025-03-06·CVSS 7.5
CVE-2025-1932 [HIGH] 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-2025-1933,
CVE-2025-1934, CVE-2025-1935, CVE-2025-1936, CVE-2025-1937, CVE-2025-1942)
It was discovered that Firefox did not properly handle WebTransport
connection, leading to a use-after-free vulnerability. An attacker could
potentially exploit this issue to cause a denial of service.
(CVE-2025-1931)
Ivan Fratric discovered that Firefox did not properly handle XSLT sorting,
leading to a out-of-bounds access vulnerability. An attacker
Red Hat
firefox: Use-after-free in WebTransportChild
vendor_redhat·2025-03-04·CVSS 7.5
CVE-2025-1931 [HIGH] CWE-416 firefox: Use-after-free in WebTransportChild
firefox: Use-after-free in WebTransportChild
It was possible to cause a use-after-free in the content process side of a WebTransport connection, leading to a potentially exploitable crash. This vulnerability affects Firefox < 136, Firefox ESR < 115.21, 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: It was possible to cause a use-after-free in the content process side of a WebTransport connection, 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 E
Debian
CVE-2025-1931: firefox - It was possible to cause a use-after-free in the content process side of a WebTr...
vendor_debian·2025·CVSS 7.5
CVE-2025-1931 [HIGH] CVE-2025-1931: firefox - It was possible to cause a use-after-free in the content process side of a WebTr...
It was possible to cause a use-after-free in the content process side of a WebTransport connection, leading to a potentially exploitable crash. This vulnerability affects Firefox < 136, Firefox ESR < 115.21, Firefox ESR < 128.8, Thunderbird < 136, and Thunderbird < 128.8.
Scope: local
sid: resolved (fixed in 136.0-1)
Mozilla
Mozilla Foundation Security Advisory 2025-17: CVE-2025-1931
vendor_mozilla·CVSS 7.5
CVE-2025-1931 [HIGH] Mozilla Foundation Security Advisory 2025-17: CVE-2025-1931
Mozilla Foundation Security Advisory 2025-17
CVE: CVE-2025-1931
Product: Thunderbird
Impact: high
Fixed in: Thunderbird 136
Mozilla
Mozilla Foundation Security Advisory 2025-14: CVE-2025-1931
vendor_mozilla·CVSS 7.5
CVE-2025-1931 [HIGH] Mozilla Foundation Security Advisory 2025-14: CVE-2025-1931
Mozilla Foundation Security Advisory 2025-14
CVE: CVE-2025-1931
Product: Firefox
Impact: high
Fixed in: Firefox 136
Mozilla
Mozilla Foundation Security Advisory 2025-16: CVE-2025-1931
vendor_mozilla·CVSS 7.5
CVE-2025-1931 [HIGH] Mozilla Foundation Security Advisory 2025-16: CVE-2025-1931
Mozilla Foundation Security Advisory 2025-16
CVE: CVE-2025-1931
Product: Firefox ESR
Impact: high
Fixed in: Firefox ESR 128.8
Mozilla
Mozilla Foundation Security Advisory 2025-18: CVE-2025-1931
vendor_mozilla·CVSS 7.5
CVE-2025-1931 [HIGH] Mozilla Foundation Security Advisory 2025-18: CVE-2025-1931
Mozilla Foundation Security Advisory 2025-18
CVE: CVE-2025-1931
Product: Thunderbird
Impact: high
Fixed in: Thunderbird 128.8
Mozilla
Mozilla Foundation Security Advisory 2025-15: CVE-2025-1931
vendor_mozilla·CVSS 7.5
CVE-2025-1931 [HIGH] Mozilla Foundation Security Advisory 2025-15: CVE-2025-1931
Mozilla Foundation Security Advisory 2025-15
CVE: CVE-2025-1931
Product: Firefox ESR
Impact: high
Fixed in: Firefox ESR 115.21
OSV
firefox vulnerabilities
osv·2025-03-06·CVSS 7.5
CVE-2025-1933 [HIGH] 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-2025-1933,
CVE-2025-1934, CVE-2025-1935, CVE-2025-1936, CVE-2025-1937, CVE-2025-1942)
It was discovered that Firefox did not properly handle WebTransport
connection, leading to a use-after-free vulnerability. An attacker could
potentially exploit this issue to cause a denial of service.
(CVE-2025-1931)
Ivan Fratric discovered that Firefox did not properly handle XSLT sorting,
leading to a out-of-bounds access vulnerability. An attacker could
potentially exploit this issue to cause a denial of servic
OSV
CVE-2025-1931: It was possible to cause a use-after-free in the content process side of a WebTransport connection, leading to a potentially exploitable crash
osv·2025-03-04·CVSS 7.5
CVE-2025-1931 [HIGH] CVE-2025-1931: It was possible to cause a use-after-free in the content process side of a WebTransport connection, leading to a potentially exploitable crash
It was possible to cause a use-after-free in the content process side of a WebTransport connection, leading to a potentially exploitable crash. This vulnerability affects Firefox < 136, Firefox ESR < 115.21, Firefox ESR < 128.8, Thunderbird < 136, and Thunderbird < 128.8.
GHSA
GHSA-qwhp-hhhx-5xg8: It was possible to cause a use-after-free in the content process side of a WebTransport connection, leading to a potentially exploitable crash
ghsa_unreviewed·2025-03-04
CVE-2025-1931 [HIGH] CWE-416 GHSA-qwhp-hhhx-5xg8: It was possible to cause a use-after-free in the content process side of a WebTransport connection, leading to a potentially exploitable crash
It was possible to cause a use-after-free in the content process side of a WebTransport connection, leading to a potentially exploitable crash. This vulnerability affects Firefox < 136, Firefox ESR < 115.21, and Firefox ESR < 128.8.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://bugzilla.mozilla.org/show_bug.cgi?id=1944126https://www.mozilla.org/security/advisories/mfsa2025-14/https://www.mozilla.org/security/advisories/mfsa2025-15/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