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Debian Security Bug TrackerDEBIANCVE:CVE-2023-6204HistoryNov 21, 2023 - 3:15 p.m.
CVE-2023-6204
2023-11-2115:15:07
Debian Security Bug Tracker
security-tracker.debian.org
13
graphics settings
out-of-bounds read
memory leak
canvas element
firefox
thunderbird
unix
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
5.4 Medium
AI Score
Confidence
Low
0.001 Low
EPSS
Percentile
32.2%
On some systems—depending on the graphics settings and drivers—it was possible to force an out-of-bounds read and leak memory data into the images created on the canvas element. 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
HIGH
Integrity Impact
NONE
Availability Impact
NONE
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5.4 Medium
AI Score
Confidence
Low
0.001 Low
EPSS
Percentile
32.2%
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