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CVE-2024-5700

HIGH
7
CVSS Score
Published: June 11, 2024 at 12:40 PM UTC
Updated: June 17, 2026 at 08:16 AM UTC
3 products affected across 1 vendorFirefoxThunderbirdFirefox ESR

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Severity
HIGH7
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

Memory safety bugs present in Firefox 126, Firefox ESR 115.11, and Thunderbird 115.11. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 127, Firefox ESR < 115.12, and Thunderbird < 115.12.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Firefox· Mozilla
95%
v < 115.12v < 127v < 127.0
Affected range stops below 115.12, so it looks safe — our inference, not a vendor statement
Affected range stops below 127, so it looks safe — our inference, not a vendor statement
Affected range stops below 127.0, so it looks safe — our inference, not a vendor statement
Thunderbird· Mozilla
95%
v < 115.12
Affected range stops below 115.12, so it looks safe — our inference, not a vendor statement
Firefox ESR· Mozilla
60%
v < 115.12
Affected range stops below 115.12, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (6)

Issue Tracking
Source: [email protected]
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1862809%2C1889355%2C1893388%2C1895123
Mailing List
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2024/06/msg00000.html
Mailing List
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2024/06/msg00010.html
Vendor Advisory
Source: [email protected]
https://www.mozilla.org/security/advisories/mfsa2024-25/
Vendor Advisory
Source: [email protected]
https://www.mozilla.org/security/advisories/mfsa2024-26/
Vendor Advisory
Source: [email protected]
https://www.mozilla.org/security/advisories/mfsa2024-28/

SSVC — Action Prioritization

SSVCNo known exploitAutomatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7HIGHCISA-ADP
Attack Vector
LOCAL
Complexity
HIGH
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-786CWE-788

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