CVE-2025-1013Race Condition in Mozilla Firefox

Severity
6.5MEDIUMNVD
OSV9.8
EPSS
0.3%
top 51.73%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedFeb 4
Latest updateJul 22

Description

A race condition could have led to private browsing tabs being opened in normal browsing windows. This could have resulted in a potential privacy leak. This vulnerability was fixed in Firefox 135, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:NExploitability: 3.9 | Impact: 2.5

Affected Packages4 packages

NVDmozilla/firefox< 128.7.0+1
NVDmozilla/thunderbird129.0135.0+1
Ubuntumozilla/firefox< 135.0+build2-0ubuntu0.20.04.1
Debianmozilla/thunderbird< 1:128.7.0esr-1~deb11u1+3

🔴Vulnerability Details

4
OSV
firefox vulnerabilities2025-02-11
CVEList
Potential opening of private browsing tabs in normal browsing windows2025-02-04
OSV
CVE-2025-1013: A race condition could have led to private browsing tabs being opened in normal browsing windows2025-02-04
GHSA
GHSA-3pgx-69pv-46wx: A race condition could have led to private browsing tabs being opened in normal browsing windows2025-02-04

📋Vendor Advisories

9
Ubuntu
Thunderbird vulnerabilities2025-07-22
Ubuntu
Firefox vulnerabilities2025-02-11
Red Hat
firefox: thunderbird: Potential opening of private browsing tabs in normal browsing windows2025-02-04
Debian
CVE-2025-1013: firefox - A race condition could have led to private browsing tabs being opened in normal ...2025
Microsoft
Unixodbc: out of bounds stack write due to pointer-to-integer types conversion2024-03-12
CVE-2025-1013 — Race Condition in Mozilla Firefox | cvebase