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CVE-2023-25732

Date: June 2, 2023

When encoding data from an <code>inputStream</code> in <code>xpcom</code> the size of the input being encoded was not correctly calculated potentially leading to an out of bounds memory write. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.

Language: C++

Severity Score

Related Resources (9)

https://people.canonical.com/~ubuntu-security/cve/CVE-2023-25732
https://www.mozilla.org/security/advisories/mfsa2023-06/
https://nvd.nist.gov/vuln/detail/CVE-2023-25732
https://www.mozilla.org/security/advisories/mfsa2023-05/
https://bugzilla.mozilla.org/show_bug.cgi?id=1804564
https://www.mozilla.org/security/advisories/mfsa2023-07/
https://security-tracker.debian.org/tracker/CVE-2023-25732
https://access.redhat.com/security/cve/CVE-2023-25732
https://www.mend.io/vulnerability-database/CVE-2023-25732

Severity Score

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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