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Debian Security Bug TrackerDEBIANCVE:CVE-2023-6856HistoryDec 19, 2023 - 2:15 p.m.
CVE-2023-6856
2023-12-1914:15:07
Debian Security Bug Tracker
security-tracker.debian.org
44
webgl
buffer overflow
firefox
thunderbird
vulnerability
remote code execution
sandbox escape
mesa vm driver
CVSS3
8.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AI Score
7.2
Confidence
High
EPSS
0.005
Percentile
77.4%
The WebGL DrawElementsInstanced method was susceptible to a heap buffer overflow when used on systems with the Mesa VM driver. This issue could allow an attacker to perform remote code execution and sandbox escape. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Debian | 999 | all | firefox | < 121.0-1 | firefox_121.0-1_all.deb |
| Debian | 12 | all | firefox-esr | < 115.6.0esr-1~deb12u1 | firefox-esr_115.6.0esr-1~deb12u1_all.deb |
| Debian | 11 | all | firefox-esr | < 115.6.0esr-1~deb11u1 | firefox-esr_115.6.0esr-1~deb11u1_all.deb |
| Debian | 999 | all | firefox-esr | < 115.6.0esr-1 | firefox-esr_115.6.0esr-1_all.deb |
| Debian | 13 | all | firefox-esr | < 115.6.0esr-1 | firefox-esr_115.6.0esr-1_all.deb |
| Debian | 12 | all | thunderbird | < 1:115.6.0-1~deb12u1 | thunderbird_1:115.6.0-1~deb12u1_all.deb |
| Debian | 11 | all | thunderbird | < 1:115.6.0-1~deb11u1 | thunderbird_1:115.6.0-1~deb11u1_all.deb |
| Debian | 999 | all | thunderbird | < 1:115.6.0-1 | thunderbird_1:115.6.0-1_all.deb |
| Debian | 13 | all | thunderbird | < 1:115.6.0-1 | thunderbird_1:115.6.0-1_all.deb |
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CVSS3
8.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AI Score
7.2
Confidence
High
EPSS
0.005
Percentile
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