🛡️ CVE-2026-16354 on Ubuntu — mozjs102
Description
Information disclosure in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
Distribution advisory
This page covers CVE-2026-16354 as tracked by Ubuntu, for the package mozjs102. No fixed version has been recorded for this distribution yet.
How this vulnerability can be exploited
This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity none, availability none.
Weakness class
UBUNTU-CVE-2026-16354 is classified as CWE-200: Exposure of Sensitive Information. Information that should stay internal is disclosed to someone who is not authorised to see it.
Affected software
UBUNTU-CVE-2026-16354 is recorded against 8 packages.
- mozjs102
- mozjs115
- mozjs38
- mozjs52
- mozjs68
- mozjs78
- mozjs91
- thunderbird
Timeline and source
Published on 21 July 2026 and last revised on 29 July 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.
References
ubuntu.com (Report)
www.cve.org (Report)
www.mozilla.org (Report)
www.mozilla.org (Report)
Details
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| mozjs102 | — | — |
| mozjs115 | — | — |
| mozjs38 | — | — |
| mozjs52 | — | — |
| mozjs68 | — | — |
| mozjs78 | — | — |
| mozjs91 | — | — |
| thunderbird | — | — |
References
Similar Threats
- Unknown openSUSE-SU-2025:0147-1
- Unknown openSUSE-SU-2024:12532-1
- Unknown openSUSE-SU-2024:12627-1
- Unknown UBUNTU-CVE-2022-46884
- Unknown UBUNTU-CVE-2023-4045
Site Security Check
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