CVE-2025-1937: +moNumerous memory-safety issues in Fifox & Thunderbird
First published: Tue Mar 04 2025(Updated: )
Last updated 6 March 2025
Credit: security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Firefox | <136 | |
| Firefox ESR | <115.21<128.8 | |
| Thunderbird | <136 | |
| Firefox ESR | <115.21 | 115.21 |
| Firefox ESR | <128.8 | 128.8 |
| Firefox | <136 | 136 |
| Thunderbird | <136 | 136 |
| debian/firefox | 136.0.1-1 | |
| debian/firefox-esr | <=115.14.0esr-1~deb11u1<=128.5.0esr-1~deb12u1 | 128.8.0esr-1~deb11u1 128.8.0esr-1~deb12u1 128.8.0esr-1 |
| debian/thunderbird | <=1:115.12.0-1~deb11u1<=1:128.5.0esr-1~deb12u1 | 1:128.8.0esr-1~deb11u1 1:128.8.0esr-1~deb12u1 1:128.8.0esr-1 |
| Thunderbird | <128.8 | 128.8 |
| Firefox | <115.21.0 | |
| Firefox | <128.8.0 | |
| Firefox | <135.0 | |
| Thunderbird | <128.8.0 | |
| Thunderbird | >=129.0<136.0 |
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Reference Links
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1938471%2C1940716
- https://www.mozilla.org/en-US/security/advisories/mfsa2025-15/
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-1937
- https://nvd.nist.gov/vuln/detail/CVE-2025-1937
- https://launchpad.net/bugs/cve/CVE-2025-1937
- https://security-tracker.debian.org/tracker/CVE-2025-1937
- https://ubuntu.com/security/CVE-2025-1937
- https://www.mozilla.org/en-US/security/advisories/mfsa2025-16/
- https://www.mozilla.org/en-US/security/advisories/mfsa2025-14/
- https://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/
- http://www.openwall.com/lists/oss-security/2025/03/10/6
- https://www.mozilla.org/en-US/security/advisories/mfsa2025-17/
- https://www.mozilla.org/en-US/security/advisories/mfsa2025-14/#CVE-2025-1937
- https://www.mozilla.org/en-US/security/advisories/mfsa2025-16/#CVE-2025-1937
- https://www.mozilla.org/en-US/security/advisories/mfsa2025-18/#CVE-2025-1937
- https://www.mozilla.org/en-US/security/advisories/mfsa2025-18/
- https://access.redhat.com/errata/RHSA-2025:2359
- https://access.redhat.com/errata/RHSA-2025:2452
- https://access.redhat.com/errata/RHSA-2025:2481
- https://access.redhat.com/errata/RHSA-2025:2480
- https://access.redhat.com/errata/RHSA-2025:2479
- https://access.redhat.com/errata/RHSA-2025:2485
- https://access.redhat.com/errata/RHSA-2025:2484
- https://access.redhat.com/errata/RHSA-2025:2486
- https://access.redhat.com/errata/RHSA-2025:2699
- https://access.redhat.com/errata/RHSA-2025:2708
- https://access.redhat.com/errata/RHSA-2025:2899
- https://access.redhat.com/errata/RHSA-2025:2900
- https://access.redhat.com/errata/RHSA-2025:2957
- https://access.redhat.com/errata/RHSA-2025:2960
- https://access.redhat.com/errata/RHSA-2025:2958
- https://access.redhat.com/errata/RHSA-2025:2959
- https://access.redhat.com/errata/RHSA-2025:3009
- https://access.redhat.com/errata/RHSA-2025:3013
- https://access.redhat.com/errata/RHSA-2025:3036
- https://bugzilla.redhat.com/show_bug.cgi?id=2349795
Parent vulnerabilities
(Appears in the following advisories)
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is the severity of CVE-2025-1937?
CVE-2025-1937 is considered a high severity vulnerability due to potential memory corruption that could allow arbitrary code execution.
How do I fix CVE-2025-1937?
To fix CVE-2025-1937, update Mozilla Firefox to version 136, Mozilla Firefox ESR to version 115.21 or 128.8, or update Mozilla Thunderbird to version 136.
What are the affected products for CVE-2025-1937?
The affected products for CVE-2025-1937 include Firefox 135, Thunderbird 135, Firefox ESR 115.20, Firefox ESR 128.7, and Thunderbird 128.7.
Is CVE-2025-1937 easy to exploit?
While CVE-2025-1937 shows evidence of memory corruption, exploiting it to run arbitrary code would require significant effort.
What types of vulnerabilities does CVE-2025-1937 involve?
CVE-2025-1937 involves memory safety bugs that can lead to memory corruption in the software.
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