- Description
- On 64-bit CPUs, when the JIT compiles WASM i32 return values they can pick up bits from left over memory. This can potentially cause them to be treated as a different type. This vulnerability affects Firefox < 136, Firefox ESR < 115.21, Firefox ESR < 128.8, Thunderbird < 136, and Thunderbird < 128.8.
- Source
- security@mozilla.org
- NVD status
- Analyzed
CVSS 3.1
- Type
- Secondary
- Base score
- 7.6
- Impact score
- 4.7
- Exploitability score
- 2.8
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
- Severity
- HIGH
- Hype score
- Not currently trending
CVE-2025-1933 On 64-bit CPUs, when the JIT compiles WASM i32 return values they can pick up bits from left over memory. This can potentially cause them to be treated as a different t… https://t.co/E65OdZVY8n
@CVEnew
5 Mar 2025
60 Impressions
0 Retweets
1 Like
0 Bookmarks
0 Replies
0 Quotes
(CVE-2025-1933)[1946004]When the JIT compiles WASM i32 return values they can pick up bits from left over memory -> Type Confusion(on 64-bit CPUs😅) https://t.co/csfBaNU8hv https://t.co/WLviANtd4K https://t.co/OdARxVnuTO https://t.co/cPy841UUnN
@xvonfers
4 Mar 2025
1142 Impressions
0 Retweets
12 Likes
5 Bookmarks
0 Replies
0 Quotes
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*",
"vulnerable": true,
"matchCriteriaId": "68BC8333-E840-48AF-A5A1-44D7D74F244A",
"versionEndExcluding": "115.21.0"
},
{
"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "7DB4CDD0-EC54-43D0-ACB2-F159ABA53D2C",
"versionEndExcluding": "136.0"
},
{
"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*",
"vulnerable": true,
"matchCriteriaId": "4F666780-2794-46E3-86C5-3C0406FB2B34",
"versionEndExcluding": "128.8.0",
"versionStartIncluding": "116.0"
},
{
"criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "575A7E02-486F-44C5-B419-620852B67267",
"versionEndExcluding": "128.8"
},
{
"criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "93C81C9D-FC2E-4D7D-A97F-8DB97ED92192",
"versionEndExcluding": "136.0",
"versionStartIncluding": "129.0"
}
],
"operator": "OR"
}
]
}
]