Use of Java's default temporary directory for file creation in FileBackedOutputStream in Google Guava versions 1.0 to 31.1 on Unix systems and Android Ice Cream Sandwich allows other users and apps on the machine with access to the default Java temporary directory to be able to access the files created by the class. Even though the security vulnerability is fixed in version 32.0.0, we recommend using version 32.0.1 as version 32.0.0 breaks some functionality under Windows.
This page covers CVE-2023-2976 as tracked by Ubuntu, for the package guava-libraries. No fixed version has been recorded for this distribution yet.
This issue can be reached with local access to the system, attack complexity is low, an attacker needs low-level 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 high, availability none.
The score comes from this vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
UBUNTU-CVE-2023-2976 is classified as CWE-379: Creation of Temporary File in Directory with Insecure Permissions. The product creates a temporary file in a directory whose permissions allow unintended actors to determine the file's existence or otherwise access that file.
UBUNTU-CVE-2023-2976 is recorded against 1 package.
Published on 14 June 2023 and last revised on 28 February 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.
ubuntu.com (Report)
github.com (Report)
github.com (Report)
www.cve.org (Report)
guava-libraries has other advisories on record. If you are patching this one, these are worth checking on the same host:
These advisories are the same class of weakness (CWE-379: Creation of Temporary File in Directory with Insecure Permissions) in other software:
Each distribution ships its own build and its own fixed version. Pick the one you run:
Details
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| guava-libraries | — | — |
References
Similar Threats
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