CVE-2023-25732

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.

• CWE-787
• CWE-787

• https://bugzilla.mozilla.org/show_bug.cgi?id=1804564Issue Tracking, Permissions Required
• https://www.mozilla.org/security/advisories/mfsa2023-05/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2023-06/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2023-07/Vendor Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=1804564Issue Tracking, Permissions Required
• https://www.mozilla.org/security/advisories/mfsa2023-05/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2023-06/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2023-07/Vendor Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=1804564Issue Tracking, Permissions Required

Published

Jun 2, 2023

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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