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    CVE-2023-4048

    An out-of-bounds read could have led to an exploitable crash when parsing HTML with DOMParser in low memory situations. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.

    Published:Aug 1, 2023
    Last Modified:Feb 13, 2025
    EPS:Aug 1, 2023
    EPSS Score:0.00386
    CVSS Score:7.5

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Mozilla
    Product
    Firefox
    Vendor
    Mozilla
    Product
    Firefox Esr
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Rhel Aus
    Vendor
    Redhat
    Product
    Rhel E4s
    Vendor
    Redhat
    Product
    Rhel Eus
    Vendor
    Redhat
    Product
    Rhel Tus

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-125 Out-of-bounds Read

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

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    References

    https://bugzilla.mozilla.org/show_bug.cgi?id=1841368
    https://lists.debian.org/debian-lts-announce/2023/08/msg00008.html
    https://lists.debian.org/debian-lts-announce/2023/08/msg00010.html
    https://www.debian.org/security/2023/dsa-5464
    https://www.debian.org/security/2023/dsa-5469
    https://www.mozilla.org/security/advisories/mfsa2023-29/
    https://www.mozilla.org/security/advisories/mfsa2023-30/
    https://www.mozilla.org/security/advisories/mfsa2023-31/
    https://bugzilla.mozilla.org/show_bug.cgi?id=1841368
    https://lists.debian.org/debian-lts-announce/2023/08/msg00008.html
    https://lists.debian.org/debian-lts-announce/2023/08/msg00010.html
    https://www.debian.org/security/2023/dsa-5464
    https://www.debian.org/security/2023/dsa-5469
    https://www.mozilla.org/security/advisories/mfsa2023-29/
    https://www.mozilla.org/security/advisories/mfsa2023-30/
    https://www.mozilla.org/security/advisories/mfsa2023-31/

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High