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Highest advisory severityHigh 2 vendors · 2 advisories

CVE-2026-102731

CVE-2026-102731: 2 tracked advisory records across Apache, Red Hat. Compare vendor sources and published fix guidance.

Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.

NVD detail CVE.org

Vendor advisory comparison

Apache

1 advisory
  • Advisory severityUnrated

    Advisory [CVE-2026-102731] Apache Directory LDAP API: Denial of service via excessive memory allocation in BER decode

    CVE-2026-102731Source published Source updated

    Memory allocation with excessive size value vulnerability in Apache Directory LDAP API. A malicious peer (or a MITM) can send a small BER-encoded response causing a large memory allocation before any data is received. This can lead to an OutOfMemoryError and denial of service. The client JVM OOMs (OutOfMemoryError bypasses the DecoderException handlers) or pins the large allocation per connection while the attacker stalls. A handful of connections exhausts any heap. The same bytes from an unauthenticated pre-bind client hit any embedding server that did not set MAX_PDU_SIZE_ATTR. This issue affects Apache Directory LDAP API: from 1.2.0 before 1.2.9. Users are recommended to upgrade to version 1.2.9, which fixes the issue.

    Affected products in this advisory
    • Apache Directory LDAP
    Source-reported affected versions
    • Apache Directory LDAP API 1.2.0 before 1.2.9
    Source-reported fixed versions
    • 1.2.9
    Mitigation guidance
    • Users are recommended to upgrade to version 1.2.9, which fixes the issue.
    Full advisory and evidenceOpen source bulletin

Red Hat

1 advisory
  • Advisory severityHigh7.5

    High [CVE-2026-102731] Denial of Service via excessive memory allocation

    CVE-2026-102731Source published Source updated

    Denial of Service via excessive memory allocation. Red Hat rates this important (CVSS 7.5). Weakness: CWE-770. Affected product named by the advisory: Red Hat Fuse 7.

    Related products — impact not confirmed
    • Red Hat Fuse 7
    Source-reported affected versions
    Affected-version details not available in this record.
    Source-reported fixed versions
    No fixed-version detail extracted. This does not mean no fix exists.
    Mitigation guidance
    No mitigation guidance extracted; consult the source.
    Full advisory and evidenceOpen source bulletin

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