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CVE-2020-15678

Date: October 1, 2020

When recursing through graphical layers while scrolling, an iterator may have become invalid, resulting in a potential use-after-free. This occurs because the function APZCTreeManager::ComputeClippedCompositionBounds did not follow iterator invalidation rules. This vulnerability affects Firefox < 81, Thunderbird < 78.3, and Firefox ESR < 78.3.

Severity Score

Related Resources (15)

http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00077.html
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00074.html
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-15678
https://security.alpinelinux.org/vuln/CVE-2020-15678
https://security.gentoo.org/glsa/202010-02
https://nvd.nist.gov/vuln/detail/CVE-2020-15678
https://security-tracker.debian.org/tracker/CVE-2020-15678
https://www.debian.org/security/2020/dsa-4770
https://bugzilla.mozilla.org/show_bug.cgi?id=1660211
https://lists.debian.org/debian-lts-announce/2020/10/msg00020.html
https://access.redhat.com/security/cve/CVE-2020-15678
https://www.mozilla.org/security/advisories/mfsa2020-44/
https://www.mozilla.org/security/advisories/mfsa2020-43/
https://www.mozilla.org/security/advisories/mfsa2020-42/
https://www.mend.io/vulnerability-database/CVE-2020-15678

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

CVSS v3.1

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

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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