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CVE

CVE-2024-3861

If an AlignedBuffer were assigned to itself, the subsequent self-move could result in an incorrect reference count and l

If an AlignedBuffer were assigned to itself, the subsequent self-move could result in an incorrect reference count and later use-after-free. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.

MEDIUM · CVSS 4 EPSS 0.00119
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-416Use After Free
▤

Affected Products & Versions

4
mozilla firefox< 115.0
mozilla firefox< 125.0
mozilla thunderbird< 115.0
debian linuxall versions
◈

Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighSQLite Firefox Profile Data DB Access
▣

Scoring & Timeline

4
MEDIUM · CVSS v3.1 · security@mozilla.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD16 Apr 2024 · 04:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

30
msrcCVE-2024-3861
suse-csafopenSUSE-SU-2024:14572-1
suse-csafopenSUSE-SU-2024:13884-1
suse-csafopenSUSE-SU-2024:13907-1
suse-csafSUSE-SU-2024:1770-1
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugzilla.mozilla.org/show_bug.cgi?id=1883158Issue Tracking
https://lists.debian.org/debian-lts-announce/2024/04/msg00012.htmlMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2024/04/msg00013.htmlMailing ListThird Party Advisory
https://www.mozilla.org/security/advisories/mfsa2024-18/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-19/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-20/Vendor Advisory
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