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CVE

CVE-2023-5728

During garbage collection extra operations were performed on a object that should not be. This could have led to a poten

During garbage collection extra operations were performed on a object that should not be. This could have led to a potentially exploitable crash. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.

HIGH · CVSS 7.5 EPSS 0.00525
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-416Use After Free
▤

Affected Products & Versions

4
mozilla firefox< 119.0
mozilla firefox esr< 115.4
mozilla thunderbird< 115.4.1
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

7.5
HIGH · 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 NVD25 Oct 2023 · 06:17 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
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

28
msrcCVE-2023-5728
suse-csafopenSUSE-SU-2024:14572-1
suse-csafopenSUSE-SU-2024:13356-1
suse-csafopenSUSE-SU-2024:13385-1
suse-csafopenSUSE-SU-2024:13412-1
🔗

References & Sources

8
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=1852729Issue TrackingVendor Advisory
https://lists.debian.org/debian-lts-announce/2023/10/msg00037.htmlMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2023/10/msg00042.htmlMailing ListThird Party Advisory
https://www.debian.org/security/2023/dsa-5535Mailing ListThird Party Advisory
https://www.debian.org/security/2023/dsa-5538Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2023-45/Vendor Advisory
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