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    CVE-2015-7181

    The sec_asn1d_parse_leaf function in Mozilla Network Security Services (NSS) before 3.19.2.1 and 3.20.x before 3.20.1, as used in Firefox before 42.0 and Firefox ESR 38.x before 38.4 and other products, improperly restricts access to an unspecified data structure, which allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via crafted OCTET STRING data, related to a "use-after-poison" issue.

    Published:Nov 3, 2015
    Last Modified:Apr 12, 2025
    EPS:Nov 5, 2015
    EPSS Score:0.24811
    CVSS Score:7.5

    Affected Products

    Vendor
    Mozilla
    Product
    Firefox
    Vendor
    Mozilla
    Product
    Network Security Services
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Rhel Aus
    Vendor
    Redhat
    Product
    Rhel Eus
    Vendor
    Redhat
    Product
    Rhel Mission Critical

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-84142 (CVSS 9.8) — Internally found bugs present in Thunderbird 154. Some of these bugs showed evidence of memory corruption or a…
    CVE-2026-84141 (CVSS 9.8) — Integer overflow in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 155, Firefox ESR…
    CVE-2026-84140 (CVSS 9.8) — Site isolation issue in the DOM: Navigation component. This vulnerability was fixed in Firefox 155, Firefox ES…
    CVE-2026-84139 (CVSS 6.1) — Clickjacking issue in the DOM: Events component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.…
    CVE-2026-84138 (CVSS 6.5) — Denial-of-service in the PDF Viewer component. This vulnerability was fixed in Firefox 155 and Thunderbird 155…
    CVE-2026-84137 (CVSS 4.3) — Spoofing issue in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 155, Firefox ESR 153…
    CVE-2026-84136 (CVSS 6.1) — Other issue in the DOM: Navigation component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, …
    CVE-2026-84135 (CVSS 9.8) — Other issue in Firefox Focus for Android. This vulnerability was fixed in Firefox 155.…

    References

    http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00013.html
    http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00015.html
    http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00020.html
    http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00021.html
    http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00025.html
    http://lists.opensuse.org/opensuse-updates/2015-12/msg00037.html
    http://lists.opensuse.org/opensuse-updates/2015-12/msg00049.html
    http://packetstormsecurity.com/files/134268/Slackware-Security-Advisory-mozilla-nss-Updates.html
    http://rhn.redhat.com/errata/RHSA-2015-1980.html
    http://rhn.redhat.com/errata/RHSA-2015-1981.html
    http://www.debian.org/security/2015/dsa-3393
    http://www.debian.org/security/2015/dsa-3410
    http://www.debian.org/security/2016/dsa-3688
    http://www.mozilla.org/security/announce/2015/mfsa2015-133.html
    http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html
    http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html
    http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
    http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
    http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
    http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
    http://www.securityfocus.com/bid/77416
    http://www.securityfocus.com/bid/91787
    http://www.securitytracker.com/id/1034069
    http://www.slackware.com/security/viewer.php?l=slackware-security&y=2015&m=slackware-security.399753
    http://www.ubuntu.com/usn/USN-2785-1
    http://www.ubuntu.com/usn/USN-2791-1
    http://www.ubuntu.com/usn/USN-2819-1
    https://bto.bluecoat.com/security-advisory/sa119
    https://bugzilla.mozilla.org/show_bug.cgi?id=1192028
    https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.19.2.1_release_notes
    https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.19.4_release_notes
    https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.20.1_release_notes
    https://security.gentoo.org/glsa/201512-10
    https://security.gentoo.org/glsa/201605-06
    http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00013.html
    http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00015.html
    http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00020.html
    http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00021.html
    http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00025.html
    http://lists.opensuse.org/opensuse-updates/2015-12/msg00037.html
    http://lists.opensuse.org/opensuse-updates/2015-12/msg00049.html
    http://packetstormsecurity.com/files/134268/Slackware-Security-Advisory-mozilla-nss-Updates.html
    http://rhn.redhat.com/errata/RHSA-2015-1980.html
    http://rhn.redhat.com/errata/RHSA-2015-1981.html
    http://www.debian.org/security/2015/dsa-3393
    http://www.debian.org/security/2015/dsa-3410
    http://www.debian.org/security/2016/dsa-3688
    http://www.mozilla.org/security/announce/2015/mfsa2015-133.html
    http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html
    http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html
    http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
    http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
    http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
    http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
    http://www.securityfocus.com/bid/77416
    http://www.securityfocus.com/bid/91787
    http://www.securitytracker.com/id/1034069
    http://www.slackware.com/security/viewer.php?l=slackware-security&y=2015&m=slackware-security.399753
    http://www.ubuntu.com/usn/USN-2785-1
    http://www.ubuntu.com/usn/USN-2791-1
    http://www.ubuntu.com/usn/USN-2819-1
    https://bto.bluecoat.com/security-advisory/sa119
    https://bugzilla.mozilla.org/show_bug.cgi?id=1192028
    https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.19.2.1_release_notes
    https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.19.4_release_notes
    https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.20.1_release_notes
    https://security.gentoo.org/glsa/201512-10
    https://security.gentoo.org/glsa/201605-06

    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