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CVE-2023-5176

Date: September 27, 2023

Memory safety bugs present in Firefox 117, Firefox ESR 115.2, and Thunderbird 115.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 118, Firefox ESR < 115.3, and Thunderbird < 115.3.

Language: C++

Severity Score

Related Resources (11)

https://www.debian.org/security/2023/dsa-5506
https://lists.debian.org/debian-lts-announce/2023/09/msg00034.html
https://lists.debian.org/debian-lts-announce/2023/10/msg00015.html
https://nvd.nist.gov/vuln/detail/CVE-2023-5176
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1836353%2C1842674%2C1843824%2C1843962%2C1848890%2C1850180%2C1850983%2C1851195
https://www.mozilla.org/security/advisories/mfsa2023-42/
https://security-tracker.debian.org/tracker/CVE-2023-5176
https://www.mozilla.org/security/advisories/mfsa2023-41/
https://www.debian.org/security/2023/dsa-5513
https://www.mozilla.org/security/advisories/mfsa2023-43/
https://www.mend.io/vulnerability-database/CVE-2023-5176

Severity Score

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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