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Debian Security Bug TrackerDEBIANCVE:CVE-2023-6205HistoryNov 21, 2023 - 3:15 p.m.
CVE-2023-6205
2023-11-2115:15:07
Debian Security Bug Tracker
security-tracker.debian.org
10
messageport
use after free
vulnerability
firefox
thunderbird
unix
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
5.6 Medium
AI Score
Confidence
Low
0.001 Low
EPSS
Percentile
29.0%
It was possible to cause the use of a MessagePort after it had already been freed, which could potentially have led to an exploitable crash. This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Debian | 999 | all | firefox | < 120.0-1 | firefox_120.0-1_all.deb |
| Debian | 12 | all | firefox-esr | < 115.5.0esr-1~deb12u1 | firefox-esr_115.5.0esr-1~deb12u1_all.deb |
| Debian | 11 | all | firefox-esr | < 115.5.0esr-1~deb11u1 | firefox-esr_115.5.0esr-1~deb11u1_all.deb |
| Debian | 999 | all | firefox-esr | < 115.5.0esr-1 | firefox-esr_115.5.0esr-1_all.deb |
| Debian | 13 | all | firefox-esr | < 115.5.0esr-1 | firefox-esr_115.5.0esr-1_all.deb |
| Debian | 12 | all | thunderbird | < 1:115.5.0-1~deb12u1 | thunderbird_1:115.5.0-1~deb12u1_all.deb |
| Debian | 11 | all | thunderbird | < 1:115.5.0-1~deb11u1 | thunderbird_1:115.5.0-1~deb11u1_all.deb |
| Debian | 999 | all | thunderbird | < 1:115.5.0-1 | thunderbird_1:115.5.0-1_all.deb |
| Debian | 13 | all | thunderbird | < 1:115.5.0-1 | thunderbird_1:115.5.0-1_all.deb |
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6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
5.6 Medium
AI Score
Confidence
Low
0.001 Low
EPSS
Percentile
29.0%
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