CVE-2025-1936
First published: Tue Mar 04 2025(Updated: )
jar: URLs retrieve local file content packaged in a ZIP archive. The null and everything after it was ignored when retrieving the content from the archive, but the fake extension after the null was used to determine the type of content. This could have been used to hide code in a web extension disguised as something else like an image.
Credit: security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Firefox | <136 | |
| Firefox ESR | <128.8 | |
| Thunderbird | <128.8 | 128.8 |
| 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 |
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Reference Links
- https://bugzilla.mozilla.org/show_bug.cgi?id=1940027
- https://www.mozilla.org/security/advisories/mfsa2025-14/
- 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://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-1936
- https://nvd.nist.gov/vuln/detail/CVE-2025-1936
- https://launchpad.net/bugs/cve/CVE-2025-1936
- https://security-tracker.debian.org/tracker/CVE-2025-1936
- https://ubuntu.com/security/CVE-2025-1936
- https://www.mozilla.org/en-US/security/advisories/mfsa2025-16/
- https://www.mozilla.org/en-US/security/advisories/mfsa2025-14/
- https://www.mozilla.org/en-US/security/advisories/mfsa2025-17/
- https://www.mozilla.org/en-US/security/advisories/mfsa2025-14/#CVE-2025-1936
- https://www.mozilla.org/en-US/security/advisories/mfsa2025-16/#CVE-2025-1936
- https://www.mozilla.org/en-US/security/advisories/mfsa2025-18/#CVE-2025-1936
- 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://bugzilla.redhat.com/show_bug.cgi?id=2349797
Parent vulnerabilities
(Appears in the following advisories)
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is the severity of CVE-2025-1936?
CVE-2025-1936 has a severity rating that indicates it is crucial to address due to potential exploitation.
How do I fix CVE-2025-1936?
The fix for CVE-2025-1936 involves updating to Mozilla Firefox version 136 or Firefox ESR version 128.8 or later.
What types of software are affected by CVE-2025-1936?
CVE-2025-1936 affects Mozilla Firefox versions up to 136 and Firefox ESR versions up to 128.8.
What kind of vulnerability is CVE-2025-1936?
CVE-2025-1936 is a vulnerability that allows local file content retrieval through jar URLs in a ZIP archive.
What are the potential risks of CVE-2025-1936?
The potential risks of CVE-2025-1936 include the possibility of code being hidden in web extensions, leading to unauthorized access or manipulation.
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- source/Debian
- agent/softwarecombine
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2025-1936
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- collector/nvd-api
- agent/weakness
- agent/last-modified-date
- agent/event
- vendor/mozilla
- canonical/firefox
- canonical/firefox esr
- canonical/thunderbird
- package-manager/debian