CVE-2025-8028_CVE-2025-8028

9.8 / 10

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

On arm64, a WASM `br_table` instruction with a lot of entries could lead to the label being too far from the instruction causing truncation and incorrect computation of the branch address. This vulnerability affects Firefox < 141, Firefox ESR < 115.26, Firefox ESR < 128.13, Firefox ESR < 140.1, Thunderbird < 141, Thunderbird < 128.13, and Thunderbird < 140.1.

Basic Information

ID CVE-2025-8028

Source mozilla

Published Jul 22, 2025 at 20:49

Modified Jul 23, 2025 at 14:32

Affected Product

Vendor Mozilla

Product Firefox

Version unspecified

Affected Versions Mozilla Firefox unspecified
Mozilla Firefox ESR unspecified
Mozilla Firefox ESR unspecified
Mozilla Firefox ESR unspecified
Mozilla Thunderbird unspecified
Mozilla Thunderbird unspecified
Mozilla Thunderbird unspecified

CWE Classification

CWE-1332

References

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    "lastseen": "",
    "description": "On arm64, a WASM `br_table` instruction with a lot of entries could lead to the label being too far from the instruction causing truncation and incorrect computation of the branch address. This vulnerability affects Firefox < 141, Firefox ESR < 115.26, Firefox ESR < 128.13, Firefox ESR < 140.1, Thunderbird < 141, Thunderbird < 128.13, and Thunderbird < 140.1.",
    "published": "2025-07-22T20:49:24.592Z",
    "modified": "2025-07-23T14:32:58.701Z",
    "type": "cve",
    "title": "CVE-2025-8028",
    "source": "mozilla",
    "references": "https://bugzilla.mozilla.org/show_bug.cgi?id=1971581\nhttps://www.mozilla.org/security/advisories/mfsa2025-56/\nhttps://www.mozilla.org/security/advisories/mfsa2025-57/\nhttps://www.mozilla.org/security/advisories/mfsa2025-58/\nhttps://www.mozilla.org/security/advisories/mfsa2025-59/\nhttps://www.mozilla.org/security/advisories/mfsa2025-61/\nhttps://www.mozilla.org/security/advisories/mfsa2025-62/\nhttps://www.mozilla.org/security/advisories/mfsa2025-63/",
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    "sourceData": "Mozilla Firefox unspecified\nMozilla Firefox ESR unspecified\nMozilla Firefox ESR unspecified\nMozilla Firefox ESR unspecified\nMozilla Thunderbird unspecified\nMozilla Thunderbird unspecified\nMozilla Thunderbird unspecified",
    "sourceHref": "",
    "cvss": {
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        "cvssV3": {
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    "href": "",
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    "product": "Firefox",
    "version": "unspecified",
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    "ai_score": 0
}