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alpinelinuxAlpine Linux Development TeamALPINE:CVE-2023-4577
HistorySep 11, 2023 - 9:15 a.m.

CVE-2023-4577

2023-09-1109:15:09
Alpine Linux Development Team
security.alpinelinux.org
18
updateregexpstatics
firefox
thunderbird
vulnerability
exploitable crash
security

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

7.3 High

AI Score

Confidence

High

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.

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

7.3 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

23.3%