CVE-2026-12318 (GCVE-0-2026-12318)
Vulnerability from cvelistv5 – Published: 2026-06-16 11:52 – Updated: 2026-06-16 16:08
VLAI
Title
Incorrect boundary conditions in the Libraries component in NSS
Summary
Incorrect boundary conditions in the Libraries component in NSS. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
Severity
No CVSS data available.
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
152 , ≤ *
(rpm)
|
|
| Mozilla | Thunderbird |
Unaffected:
152 , ≤ *
(rpm)
|
Credits
{
"containers": {
"cna": {
"affected": [
{
"product": "Firefox",
"vendor": "Mozilla",
"versions": [
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "152",
"versionType": "rpm"
}
]
},
{
"product": "Thunderbird",
"vendor": "Mozilla",
"versions": [
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "152",
"versionType": "rpm"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "Haruto Kimura"
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Incorrect boundary conditions in the Libraries component in NSS. This vulnerability was fixed in Firefox 152 and Thunderbird 152."
}
],
"value": "Incorrect boundary conditions in the Libraries component in NSS. This vulnerability was fixed in Firefox 152 and Thunderbird 152."
}
],
"providerMetadata": {
"dateUpdated": "2026-06-16T16:08:40.834Z",
"orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
"shortName": "mozilla"
},
"references": [
{
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2023478"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-57/"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-60/"
}
],
"title": "Incorrect boundary conditions in the Libraries component in NSS"
}
},
"cveMetadata": {
"assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
"assignerShortName": "mozilla",
"cveId": "CVE-2026-12318",
"datePublished": "2026-06-16T11:52:51.844Z",
"dateReserved": "2026-06-15T15:08:18.136Z",
"dateUpdated": "2026-06-16T16:08:40.834Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2026-12318\",\"sourceIdentifier\":\"security@mozilla.org\",\"published\":\"2026-06-16T13:16:32.463\",\"lastModified\":\"2026-06-16T14:51:31.350\",\"vulnStatus\":\"Undergoing Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Incorrect boundary conditions in the Libraries component in NSS. This vulnerability was fixed in Firefox 152.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://bugzilla.mozilla.org/show_bug.cgi?id=2023478\",\"source\":\"security@mozilla.org\"},{\"url\":\"https://www.mozilla.org/security/advisories/mfsa2026-57/\",\"source\":\"security@mozilla.org\"}]}}"
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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