The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:02531-1 advisory.

    - Firefox Extended Support Release 140.1.0 ESR
      * MFSA-RESERVE-2025-1968423 (bmo#1968423)         JavaScript engine only wrote partial return value to stack
      * MFSA-RESERVE-2025-1971581 (bmo#1971581)         Large branch table could lead to truncated instruction
      * MFSA-RESERVE-2025-1928021 (bmo#1928021)         CSP does not block javascript: URLs on object and embed tags
      * MFSA-RESERVE-2025-1960834 (bmo#1960834)         DNS rebinding circumvents CORS
      * MFSA-RESERVE-2025-1964767 (bmo#1964767)         Nameless cookies shadow secure cookies
      * MFSA-RESERVE-2025-1968414 (bmo#1968414)         Potential user-assisted code execution in Copy as cURL         command
      * MFSA-RESERVE-2025-1971719 (bmo#1971719)         Incorrect URL stripping in CSP reports
      * MFSA-RESERVE-2025-1974407 (bmo#1974407)         XSLT documents could by-pass CSP
      * MFSA-RESERVE-2025-1808979 (bmo#1808979)         CSP frame-src was not correctly enforced for paths
      * MFSA-RESERVE-2025-1970997 (bmo#1970997)         Search terms persist in URL bar
      * MFSA-RESERVE-2025-1973990 (bmo#1973990)         Incorrect JavaScript state machine for generators
      * MFSA-RESERVE-2025-1 (bmo#1970422, bmo#1970422, bmo#1970422,         bmo#1970422)         Memory safety bugs fixed in Firefox ESR 115.26, Thunderbird         ESR 115.26, Firefox ESR 128.13, Firefox ESR 140.1,         Thunderbird ESR 140.1, Firefox 141 and Thunderbird 141
      * MFSA-RESERVE-2025-2 (bmo#1975058, bmo#1975058, bmo#1975998,         bmo#1975998)         Memory safety bugs fixed in Firefox ESR 140.1, Thunderbird         ESR 140.1, Firefox 141 and Thunderbird 141
      * MFSA-RESERVE-2025-3 (bmo#1975961, bmo#1975961, bmo#1975961)         Memory safety bugs fixed in Firefox ESR 128.13, Firefox ESR         140.1, Thunderbird ESR 140.1, Firefox 141 and Thunderbird 141

    Various security fixes MFSA 2025-59 (bsc#1246664):
    - CVE-2025-8027: JavaScript engine only wrote partial return value to stack
    - CVE-2025-8028: Large branch table could lead to truncated instruction
    - CVE-2025-8029: javascript: URLs executed on object and embed tags
    - CVE-2025-8036: DNS rebinding circumvents CORS
    - CVE-2025-8037: Nameless cookies shadow secure cookies
    - CVE-2025-8030: Potential user-assisted code execution in Copy as cURL command
    - CVE-2025-8031: Incorrect URL stripping in CSP reports
    - CVE-2025-8032: XSLT documents could bypass CSP
    - CVE-2025-8038: CSP frame-src was not correctly enforced for paths
    - CVE-2025-8039: Search terms persisted in URL bar
    - CVE-2025-8033: Incorrect JavaScript state machine for generators
    - CVE-2025-8034: Memory safety bugs fixed in Firefox ESR 115.26, Firefox ESR 128.13, Thunderbird ESR     128.13, Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141 and Thunderbird 141
    - CVE-2025-8040: Memory safety bugs fixed in Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141 and     Thunderbird 141
    - CVE-2025-8035: Memory safety bugs fixed in Firefox ESR 128.13, Thunderbird ESR 128.13, Firefox ESR     140.1, Thunderbird ESR 140.1, Firefox 141 and Thunderbird 141

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

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SUSE SLES12: MozillaFirefox / MozillaFirefox-devel / etc (SUSE-SU-2025:02531-1)

critical Nessus Plugin ID 242953

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