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    CVE-2025-49796

    A vulnerability was found in libxml2. Processing certain sch:name elements from the input XML file can trigger a memory corruption issue. This flaw allows an attacker to craft a malicious XML input file that can lead libxml to crash, resulting in a denial of service or other possible undefined behavior due to sensitive data being corrupted in memory.

    Published:Jun 11, 2025
    Last Modified:Sep 10, 2026
    EPS:Jun 16, 2025
    EPSS Score:0.0149
    CVSS Score:9.1

    Affected Products

    Vendor
    Redhat
    Product
    Cert Manager
    Vendor
    Redhat
    Product
    Discovery
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Hummingbird
    Vendor
    Redhat
    Product
    Insights Proxy
    Vendor
    Redhat
    Product
    Jboss Core Services
    Vendor
    Redhat
    Product
    Openshift
    Vendor
    Redhat
    Product
    Openshift File Integrity Operator
    Vendor
    Redhat
    Product
    Openshift Serverless
    Vendor
    Redhat
    Product
    Rhel Aus
    Vendor
    Redhat
    Product
    Rhel E4s
    Vendor
    Redhat
    Product
    Rhel Els
    Vendor
    Redhat
    Product
    Rhel Eus
    Vendor
    Redhat
    Product
    Rhel Eus Long Life
    Vendor
    Redhat
    Product
    Rhel Tus
    Vendor
    Redhat
    Product
    Webterminal

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-125 Out-of-bounds Read

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

    Related CVEs

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    CVE-2026-58014 (CVSS 7.3) — A flaw was found in GLib. An off-by-one error can occur in the g_key_file_get_locale_string_list function in t…
    CVE-2026-58013 (CVSS 6.5) — A flaw was found in GLib. A buffer over-read can occur in g_io_channel_read_line_backend() in the giochannel.c…
    CVE-2026-58012 (CVSS 6.5) — A flaw was found in GLib. A buffer over-read can occur in the g_regex_replace function when used with the `G_R…
    CVE-2026-58011 (CVSS 6.5) — A flaw was found in GLib. An out-of-bounds read of only 2 bytes can occur in the g_date_time_get_ymd function …
    CVE-2026-58010 (CVSS 6.5) — A flaw was found in GLib. An off-by-one error can occur in the gvs_tuple_is_normal function in the glib/gvaria…
    CVE-2025-8941 (CVSS 7.8) — A flaw was found in linux-pam. The pam_namespace module may improperly handle user-controlled paths, allowing …
    CVE-2025-7425 (CVSS 7.8) — A flaw was found in libxslt where the attribute type, atype, flags are modified in a way that corrupts interna…
    CVE-2025-6020 (CVSS 7.8) — A flaw was found in linux-pam. The module pam_namespace may use access user-controlled paths without proper pr…

    References

    https://access.redhat.com/errata/RHSA-2025:10630
    https://access.redhat.com/errata/RHSA-2025:10698
    https://access.redhat.com/errata/RHSA-2025:10699
    https://access.redhat.com/errata/RHSA-2025:11580
    https://access.redhat.com/errata/RHSA-2025:12098
    https://access.redhat.com/errata/RHSA-2025:12099
    https://access.redhat.com/errata/RHSA-2025:12199
    https://access.redhat.com/errata/RHSA-2025:12237
    https://access.redhat.com/errata/RHSA-2025:12239
    https://access.redhat.com/errata/RHSA-2025:12240
    https://access.redhat.com/errata/RHSA-2025:12241
    https://access.redhat.com/errata/RHSA-2025:13267
    https://access.redhat.com/errata/RHSA-2025:13335
    https://access.redhat.com/errata/RHSA-2025:15397
    https://access.redhat.com/errata/RHSA-2025:15827
    https://access.redhat.com/errata/RHSA-2025:15828
    https://access.redhat.com/errata/RHSA-2025:18217
    https://access.redhat.com/errata/RHSA-2025:18218
    https://access.redhat.com/errata/RHSA-2025:18219
    https://access.redhat.com/errata/RHSA-2025:18240
    https://access.redhat.com/errata/RHSA-2025:19020
    https://access.redhat.com/errata/RHSA-2025:19041
    https://access.redhat.com/errata/RHSA-2025:19046
    https://access.redhat.com/errata/RHSA-2025:19894
    https://access.redhat.com/errata/RHSA-2025:21913
    https://access.redhat.com/errata/RHSA-2026:0934
    https://access.redhat.com/errata/RHSA-2026:62549
    https://access.redhat.com/errata/RHSA-2026:7519
    https://access.redhat.com/security/cve/CVE-2025-49796
    https://bugzilla.redhat.com/show_bug.cgi?id=2372385
    https://gitlab.gnome.org/GNOME/libxml2/-/issues/933
    https://lists.debian.org/debian-lts-announce/2025/07/msg00014.html
    https://cert-portal.siemens.com/productcert/html/ssa-253495.html
    https://cert-portal.siemens.com/productcert/html/ssa-577017.html

    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