CVE-2025-61662 (GCVE-0-2025-61662)

Vulnerability from cvelistv5 – Published: 2025-11-18 18:20 – Updated: 2026-05-20 16:09
VLAI
Title
Grub2: missing unregister call for gettext command may lead to use-after-free
Summary
A Use-After-Free vulnerability has been discovered in GRUB's gettext module. This flaw stems from a programming error where the gettext command remains registered in memory after its module is unloaded. An attacker can exploit this condition by invoking the orphaned command, causing the application to access a memory location that is no longer valid. An attacker could exploit this vulnerability to cause grub to crash, leading to a Denial of Service. Possible data integrity or confidentiality compromise is not discarded.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
URL Tags
https://access.redhat.com/errata/RHSA-2026:10097 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:14773 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:15087 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:17596 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:4648 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:4649 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:4652 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:4653 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:4654 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:4760 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:4822 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:4823 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:4830 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:4900 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:4998 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:5074 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:5127 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:5233 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:6492 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7239 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7243 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2025-61662 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2414683 issue-trackingx_refsource_REDHAT
https://lists.gnu.org/archive/html/grub-devel/202…
http://www.openwall.com/lists/oss-security/2025/11/18/5
Impacted products
Vendor Product Version
GNU grub2 Affected: 0 , ≤ 2.14 (semver)
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Red Hat Red Hat Enterprise Linux 10 Unaffected: 1:2.12-29.el10_1.2 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:10.1
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Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support Unaffected: 1:2.12-15.el10_0.2 , < * (rpm)
    cpe:/o:redhat:enterprise_linux_eus:10.0
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Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support Unaffected: 1:2.02-0.87.el7_9.16 , < * (rpm)
    cpe:/o:redhat:rhel_els:7
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Red Hat Red Hat Enterprise Linux 8 Unaffected: 1:2.02-170.el8_10.1 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:8::baseos
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Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support Unaffected: 1:2.02-87.el8_2.14 , < * (rpm)
    cpe:/o:redhat:rhel_aus:8.2::baseos
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Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Unaffected: 1:2.02-99.el8_4.13 , < * (rpm)
    cpe:/o:redhat:rhel_aus:8.4::baseos
    cpe:/o:redhat:rhel_eus_long_life:8.4::baseos
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Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On Unaffected: 1:2.02-99.el8_4.13 , < * (rpm)
    cpe:/o:redhat:rhel_aus:8.4::baseos
    cpe:/o:redhat:rhel_eus_long_life:8.4::baseos
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Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Unaffected: 1:2.02-123.el8_6.19 , < * (rpm)
    cpe:/o:redhat:rhel_aus:8.6::baseos
    cpe:/o:redhat:rhel_e4s:8.6::baseos
    cpe:/o:redhat:rhel_tus:8.6::baseos
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Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service Unaffected: 1:2.02-123.el8_6.19 , < * (rpm)
    cpe:/o:redhat:rhel_aus:8.6::baseos
    cpe:/o:redhat:rhel_e4s:8.6::baseos
    cpe:/o:redhat:rhel_tus:8.6::baseos
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions Unaffected: 1:2.02-123.el8_6.19 , < * (rpm)
    cpe:/o:redhat:rhel_aus:8.6::baseos
    cpe:/o:redhat:rhel_e4s:8.6::baseos
    cpe:/o:redhat:rhel_tus:8.6::baseos
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Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service Unaffected: 1:2.02-152.el8_8.3 , < * (rpm)
    cpe:/o:redhat:rhel_e4s:8.8::baseos
    cpe:/o:redhat:rhel_tus:8.8::baseos
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Unaffected: 1:2.02-152.el8_8.3 , < * (rpm)
    cpe:/o:redhat:rhel_e4s:8.8::baseos
    cpe:/o:redhat:rhel_tus:8.8::baseos
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 9 Unaffected: 1:2.06-114.el9_7.1 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:9::baseos
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Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions Unaffected: 1:2.06-27.el9_0.23 , < * (rpm)
    cpe:/o:redhat:rhel_e4s:9.0::baseos
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Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Unaffected: 1:2.06-61.el9_2.11 , < * (rpm)
    cpe:/o:redhat:rhel_e4s:9.2::baseos
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Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support Unaffected: 1:2.06-86.el9_4.4 , < * (rpm)
    cpe:/o:redhat:rhel_eus:9.4::baseos
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Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support Unaffected: 1:2.06-105.el9_6.1 , < * (rpm)
    cpe:/o:redhat:rhel_eus:9.6::baseos
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Red Hat Red Hat OpenShift Container Platform 4.12 Unaffected: 412.86.202604010116-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.12::el8
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Red Hat Red Hat OpenShift Container Platform 4.13 Unaffected: 413.92.202604080111-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.13::el9
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Red Hat Red Hat OpenShift Container Platform 4.14 Unaffected: 414.92.202605060243-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.14::el9
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Red Hat Red Hat OpenShift Container Platform 4.15 Unaffected: 415.92.202605060220-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.15::el9
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Red Hat Red Hat OpenShift Container Platform 4.16 Unaffected: 416.94.202604211449-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.16::el9
 Create a notification for this product.
Red Hat Red Hat OpenShift Container Platform 4.17 Unaffected: 417.94.202605112123-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.17::el9
 Create a notification for this product.
Red Hat Red Hat OpenShift Container Platform 4.18 Unaffected: 418.94.202603181125-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.18::el9
 Create a notification for this product.
Red Hat Red Hat OpenShift Container Platform 4.19 Unaffected: 4.19.9.6.202604080618-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.19::el9
 Create a notification for this product.
Date Public
2025-11-18 00:00
Show details on NVD website
To clipboard 

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\"There\u0027s no known mitigation available for this vulnerability.\"}], \"x_generator\": {\"engine\": \"cvelib 1.8.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"A Use-After-Free vulnerability has been discovered in GRUB\u0027s gettext module. This flaw stems from a programming error where the gettext command remains registered in memory after its module is unloaded. An attacker can exploit this condition by invoking the orphaned command, causing the application to access a memory location that is no longer valid. An attacker could exploit this vulnerability to cause grub to crash, leading to a Denial of Service. Possible data integrity or confidentiality compromise is not discarded.\"}], \"providerMetadata\": {\"orgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"shortName\": \"redhat\", \"dateUpdated\": \"2026-05-20T16:09:45.472Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-61662\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-20T16:09:45.472Z\", \"dateReserved\": \"2025-09-29T20:18:48.975Z\", \"assignerOrgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"datePublished\": \"2025-11-18T18:20:48.351Z\", \"assignerShortName\": \"redhat\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Tags
Taxonomy of the tags.





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.