This report was translated by AI; nobody has reviewed the translation yet. Original language: Slovak.

[TLP:CLEAR] Mozilla Firefox fixes 9 vulnerabilities

Mozilla fixes 9 vulnerabilities in Firefox in versions 130, 128.2 (ESR) and 115.15 (ESR) [1][2][3]. Among operating systems, the vulnerabilities were fixed by Debian (some releases) [4] and Slackware [5]; Gentoo has some fixed versions available as stable and some as testing [6]; and Ubuntu released the fixed version 130.0+build2-0ubuntu0.20.04.1 for the focal release, while the remaining releases are not affected by the vulnerabilities [7]. Only the most severe vulnerabilities are listed below. A detailed list of vulnerable versions for each vulnerability can be found on the VA2AM site. Individual Debian releases and fixed versions: bullseye (security) - 115.15.0esr-1~deb11u1 bookworm (security) - 115.15.0esr-1~deb12u1 sid, trixie - 115.15.0esr-1 sid - 130.0-2

Firefox - type confusion (CVE-2024-8381)
CVSS 9.8 (Critical)

An unauthenticated remote attacker can access memory without authorization, which may lead to data corruption, unauthorized reading of information, a DoS attack and potentially code execution [8][1][2][3].

The vulnerability is present in product:

  • Firefox; >=115, <115.5; >=128, <128.2; >=129, <130;

CVSS: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

More information:

The vulnerability was publicly disclosed 3. 9. 2024.

Firefox - type confusion (CVE-2024-8385)
CVSS 9.8 (Critical)

An unauthenticated remote attacker can access memory without authorization, which may lead to data corruption, unauthorized reading of information, a DoS attack and potentially code execution [9][1][2][3].

The vulnerability is present in product:

  • Firefox; >=128, <128.2; >=129, <130;

CVSS: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

More information:

The vulnerability was publicly disclosed 3. 9. 2024.

Firefox - memory corruption, RCE (CVE-2024-8387)
CVSS 9.8 (Critical)

An unauthenticated remote attacker can corrupt data in memory and potentially cause unauthorized code execution [10][1][2][3].

The vulnerability is present in product:

  • Firefox; >=128, <128.2 ; >=129, <130;

CVSS: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

More information:

  • CVE-2024-8387 at cve.org, NVD
  • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer at cwe.mitre.org

The vulnerability was publicly disclosed 3. 9. 2024.

Firefox - memory corruption, RCE (CVE-2024-8389)
CVSS 9.8 (Critical)

An unauthenticated remote attacker can corrupt data in memory and potentially cause unauthorized code execution [11][1][2][3].

The vulnerability is present in product:

  • Firefox; >=129, <130;

CVSS: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

More information:

  • CVE-2024-8389 at cve.org, NVD
  • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer at cwe.mitre.org

The vulnerability was publicly disclosed 3. 9. 2024.


By CESNET, z.s.p.o. Martin Krajči on 10. 9. 2024.

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