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NVD Vulnerability Details :
CVE-2024-7531
Modified
More InfoOfficial Page
Source-security@mozilla.org
View Known Exploited Vulnerability (KEV) details
Published At-06 Aug, 2024 | 13:15
Updated At-19 Mar, 2025 | 16:15

Calling `PK11_Encrypt()` in NSS using CKM_CHACHA20 and the same buffer for input and output can result in plaintext on an Intel Sandy Bridge processor. In Firefox this only affects the QUIC header protection feature when the connection is using the ChaCha20-Poly1305 cipher suite. The most likely outcome is connection failure, but if the connection persists despite the high packet loss it could be possible for a network observer to identify packets as coming from the same source despite a network path change. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, and Firefox ESR < 128.1.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.16.5MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Secondary3.16.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Type: Primary
Version: 3.1
Base score: 6.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Type: Secondary
Version: 3.1
Base score: 6.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CPE Matches
Mozilla Corporation
mozilla
>>firefox>>Versions before 129.0(exclusive)
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
Mozilla Corporation
mozilla
>>firefox_esr>>Versions before 115.14.0(exclusive)
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
Mozilla Corporation
mozilla
>>firefox_esr>>128.0
cpe:2.3:a:mozilla:firefox_esr:128.0:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
NVD-CWE-noinfoPrimarynvd@nist.gov
CWE-367Secondary134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE ID: NVD-CWE-noinfo
Type: Primary
Source: nvd@nist.gov
CWE ID: CWE-367
Type: Secondary
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://bugzilla.mozilla.org/show_bug.cgi?id=1905691security@mozilla.org
Issue Tracking
Permissions Required
https://www.mozilla.org/security/advisories/mfsa2024-33/security@mozilla.org
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-34/security@mozilla.org
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-35/security@mozilla.org
Vendor Advisory
Hyperlink: https://bugzilla.mozilla.org/show_bug.cgi?id=1905691
Source: security@mozilla.org
Resource:
Issue Tracking
Permissions Required
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2024-33/
Source: security@mozilla.org
Resource:
Vendor Advisory
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2024-34/
Source: security@mozilla.org
Resource:
Vendor Advisory
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2024-35/
Source: security@mozilla.org
Resource:
Vendor Advisory
Change History
0Changes found
Details not found