RHSA-2026:7263

Vulnerability from csaf_redhat - Published: 2026-04-09 09:02 - Updated: 2026-04-20 21:33
Summary
Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
Severity
Moderate
Notes
Topic: An update for Red Hat Hardened Images RPMs is now available.
Details: This update includes the following RPMs:
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
CVE-2025-69720

A flaw was found in ncurses. This vulnerability, a buffer overflow, exists within the `analyze_string()` function. An attacker could potentially exploit this to execute unauthorized code on the affected system, which might lead to a denial of service in the affected application, the corruption of data, or sensitive information being revealed to an attacker.

7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Vendor Fix For details on how to apply this update, which includes the changes described in this advisory, refer to: https://images.redhat.com/ https://access.redhat.com/errata/RHSA-2026:7263
References
To clipboard 

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      },
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          "category": "description",
          "text": "A flaw was found in ncurses. This vulnerability, a buffer overflow, exists within the `analyze_string()` function. An attacker could potentially exploit this to execute unauthorized code on the affected system, which might lead to a denial of service in the affected application, the corruption of data, or sensitive information being revealed to an attacker.",
          "title": "Vulnerability description"
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          "text": "This Moderate impact vulnerability in ncurses affects Red Hat Enterprise Linux 10.0.z and 10.1.z. A buffer overflow in the `analyze_string()` function, exploitable through the `infocmp` utility, could lead to arbitrary code execution. Red Hat Enterprise Linux 6-ELS, 7-ELS, 8.x, 9.x, and OpenShift Container Platform are not affected as the vulnerable code is not present in these versions. Exploitation of this vulnerability requires that an affected application processes malicious data; this requires either user interaction or privileges on an affected system.",
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        },
        {
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          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
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        {
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            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
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            "Red Hat Hardened Images:ncurses-main@noarch",
            "Red Hat Hardened Images:ncurses-main@src",
            "Red Hat Hardened Images:ncurses-main@x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "ncurses: ncurses: Buffer overflow vulnerability may lead to arbitrary code execution."
    }
  ]
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.