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Debian Security Bug TrackerDEBIANCVE:CVE-2023-4577HistorySep 11, 2023 - 9:15 a.m.
CVE-2023-4577
2023-09-1109:15:09
Debian Security Bug Tracker
security-tracker.debian.org
7
firefox
thunderbird
vulnerability
crash
update
exploit
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
0.001 Low
EPSS
Percentile
23.3%
When UpdateRegExpStatics attempted to access initialStringHeap it could already have been garbage collected prior to entering the function, which could potentially have led to an exploitable crash. This vulnerability affects Firefox < 117, Firefox ESR < 115.2, and Thunderbird < 115.2.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Debian | 999 | all | firefox | < 117.0-1 | firefox_117.0-1_all.deb |
| Debian | 12 | all | firefox-esr | < 115.12.0esr-1~deb12u1 | firefox-esr_115.12.0esr-1~deb12u1_all.deb |
| Debian | 11 | all | firefox-esr | < 115.12.0esr-1~deb11u1 | firefox-esr_115.12.0esr-1~deb11u1_all.deb |
| Debian | 999 | all | firefox-esr | < 115.2.0esr-1 | firefox-esr_115.2.0esr-1_all.deb |
| Debian | 13 | all | firefox-esr | < 115.2.0esr-1 | firefox-esr_115.2.0esr-1_all.deb |
| Debian | 12 | all | thunderbird | < 1:115.12.0-1~deb12u1 | thunderbird_1:115.12.0-1~deb12u1_all.deb |
| Debian | 11 | all | thunderbird | < 1:115.12.0-1~deb11u1 | thunderbird_1:115.12.0-1~deb11u1_all.deb |
| Debian | 999 | all | thunderbird | < 1:115.2.0-1 | thunderbird_1:115.2.0-1_all.deb |
| Debian | 13 | all | thunderbird | < 1:115.2.0-1 | thunderbird_1:115.2.0-1_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
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0.001 Low
EPSS
Percentile
23.3%
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