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Highest advisory severityMedium 2 vendors · 2 advisories

CVE-2026-42771: OpenSSL Vulnerability in NetApp Products

Not in the CISA KEV catalog. Medium advisory severity (CVSS 6.5, Red Hat).

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

CVE-2026-42771 key facts

CISA KEV
Not listed (catalog checked )
Highest advisory severity
Medium
CVSS base score
6.5 (Red Hat), 6.2 (NetApp)
CVSS vector
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H (Red Hat)
Weakness
CWE-805
Fixed releases
  • Red Hat: chunkah-main-0.6.0-3.hum1, python-cryptography-main-50.0.0-1.hum1, openssl3-main-3.5.8-0.1.hum1, openssl-main-3.5.8-0.1.hum1, ruby3-3-main-3.3.10-23.6.hum1, ruby4-0-main-4.0.6-37.3.hum1 and 10 more in the advisory
Vendor advisories
2 from NetApp, Red Hat
VulniPulse record
Published · Updated

Scores, vectors, weaknesses and fixed releases are quoted from vendor advisories that cover only CVE-2026-42771; bulletin-wide values are not repeated here.

Is CVE-2026-42771 exploited?

No exploitation is reported in the sources VulniPulse tracks: CVE-2026-42771 is not in the CISA KEV catalog (checked ) and no tracked advisory for it reports exploitation. That is not proof the vulnerability cannot be exploited.

How do I fix CVE-2026-42771?

Upgrade to a fixed release named by the vendor:

  • Red Hat: chunkah-main-0.6.0-3.hum1, python-cryptography-main-50.0.0-1.hum1, openssl3-main-3.5.8-0.1.hum1, openssl-main-3.5.8-0.1.hum1, ruby3-3-main-3.3.10-23.6.hum1, ruby4-0-main-4.0.6-37.3.hum1
  • NetApp HCI Baseboard Management Controller (BMC) - H610S has no planned fix; migrate to a supported release or product and consult NetApp's end-of-support notice. (NetApp)
  • Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability. (Red Hat)

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Alert me about NetApp

Vendor advisory comparison

NetApp

1 advisory
  • Advisory severityMedium6.2

    Medium [CVE-2026-42771] OpenSSL Vulnerability in NetApp Products

    NTAP-20260617-0011Source published Source updated

    Multiple NetApp products incorporate OpenSSL. OpenSSL version 4.0 is susceptible to a vulnerability which when successfully exploited could lead to Denial of Service (DoS). Successful exploitation of this vulnerability could lead to Denial of Service (DoS). Affected products: NetApp Console Agent Container (adc), NetApp Console Agent Container (cbs), NetApp Console Agent Container (cbs-backend), NetApp HCI Baseboard Management Controller (BMC) - H610S, ONTAP Select Deploy administration utility. NetApp reports that one or more additional products remain under investigation; review the canonical advisory for current status. NetApp states there is no workaround available at this time.

    Affected products in this advisory
    • NetApp Console Agent Container (adc)
    • NetApp Console Agent Container (cbs)
    • NetApp Console Agent Container (cbs-backend)
    • NetApp HCI Baseboard Management Controller (BMC) - H610S

    1 more entries in the full advisory.

    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
    • NetApp HCI Baseboard Management Controller (BMC) - H610S has no planned fix; migrate to a supported release or product and consult NetApp's end-of-support notice.
    Full advisory and evidenceOpen source bulletin

Red Hat

1 advisory
  • Advisory severityMedium6.5

    Medium [CVE-2026-42771] Possible Out of Bounds Read in X509_VERIFY_PARAM_set1_email

    CVE-2026-42771Source published Source updated

    Issue summary: When the X509_VERIFY_PARAM_set1_email is called by an application to validate a crafted e-mail address, such as during S/MIME message validation, an out of bounds read can happen. Impact summary: This out of bounds read will not directly exfiltrate the data read to the attacker so the most likely result is a crash and a Denial of Service. An internal helper function called from X509_VERIFY_PARAM_[set|add]_email() used a wrong length when validating the local part of an email address. This could cause the 64 octet limit on the local part of an email address to be not enforced, or cause an out of bound read and potentially a crash. The bug is reachable via S-MIME validation with a crafted From: address supplied in an email message that can potentially cause a crash. No FIPS…

    Affected products in this advisory
    • Red Hat Hardened Images
    • Red Hat Enterprise Linux 10
    • Red Hat Enterprise Linux 6
    • Red Hat Enterprise Linux 7

    11 more entries in the full advisory.

    Source-reported affected versions
    Affected-version details not available in this record.
    Source-reported fixed versions
    • chunkah-main-0.6.0-3.hum1
    • python-cryptography-main-50.0.0-1.hum1
    • openssl3-main-3.5.8-0.1.hum1
    • openssl-main-3.5.8-0.1.hum1

    12 more entries in the full advisory.

    Mitigation guidance
    • Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
    Full advisory and evidenceOpen source bulletin

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