CVE-2024-3854
HIGH
8.8
CVSS Score
Published: April 16, 2024 at 03:14 PM UTC
Updated: June 17, 2026 at 07:45 AM UTC
3 products affected across 1 vendorFirefoxThunderbirdFirefox ESR
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Severity
HIGH8.8
Exploit prediction
EPSS 0.7%
SSVC
No known exploit
Description
In some code patterns the JIT incorrectly optimized switch statements and generated code with out-of-bounds-reads. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 115.10v < 125v < 125.0
Affected range stops below 115.10, so it looks safe — our inference, not a vendor statement
Affected range stops below 125, so it looks safe — our inference, not a vendor statement
Affected range stops below 125.0, so it looks safe — our inference, not a vendor statement
v < 115.10
Affected range stops below 115.10, so it looks safe — our inference, not a vendor statement
v < 115.10
Affected range stops below 115.10, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (6)
Mailing ListThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2024/04/msg00012.htmlMailing ListThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2024/04/msg00013.htmlSSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
8.8HIGHCISA-ADP
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusANALYZED
CWE
CWE-125
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