CVE-2025-4373 (GCVE-0-2025-4373)

Vulnerability from cvelistv5 – Published: 2025-05-06 14:48 – Updated: 2026-05-12 12:02
VLAI
Title
Glib: buffer underflow on glib through glib/gstring.c via function g_string_insert_unichar
Summary
A flaw was found in GLib, which is vulnerable to an integer overflow in the g_string_insert_unichar() function. When the position at which to insert the character is large, the position will overflow, leading to a buffer underwrite.
Severity
4.8 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-124 - Buffer Underwrite ('Buffer Underflow')
Assigner
References
Impacted products
Vendor Product Version
Affected: 0 , < 2.84.2 (semver)
Red Hat Red Hat Enterprise Linux 10 Unaffected: 0:2.80.4-4.el10_0.6 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:10.0
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Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:2.56.4-166.el8_10 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:8::crb
    cpe:/o:redhat:enterprise_linux:8::baseos
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Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support Unaffected: 0:2.56.4-8.el8_2.2 , < * (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: 0:2.56.4-10.el8_4.2 , < * (rpm)
    cpe:/o:redhat:rhel_eus_long_life:8.4::baseos
    cpe:/o:redhat:rhel_aus:8.4::baseos
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Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On Unaffected: 0:2.56.4-10.el8_4.2 , < * (rpm)
    cpe:/o:redhat:rhel_eus_long_life:8.4::baseos
    cpe:/o:redhat:rhel_aus:8.4::baseos
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Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Unaffected: 0:2.56.4-158.el8_6.2 , < * (rpm)
    cpe:/o:redhat:rhel_aus:8.6::baseos
    cpe:/o:redhat:rhel_tus:8.6::baseos
    cpe:/o:redhat:rhel_e4s:8.6::baseos
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Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service Unaffected: 0:2.56.4-158.el8_6.2 , < * (rpm)
    cpe:/o:redhat:rhel_aus:8.6::baseos
    cpe:/o:redhat:rhel_tus:8.6::baseos
    cpe:/o:redhat:rhel_e4s:8.6::baseos
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Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions Unaffected: 0:2.56.4-158.el8_6.2 , < * (rpm)
    cpe:/o:redhat:rhel_aus:8.6::baseos
    cpe:/o:redhat:rhel_tus:8.6::baseos
    cpe:/o:redhat:rhel_e4s:8.6::baseos
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Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service Unaffected: 0:2.56.4-162.el8_8 , < * (rpm)
    cpe:/o:redhat:rhel_tus:8.8::baseos
    cpe:/o:redhat:rhel_e4s:8.8::baseos
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Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Unaffected: 0:2.56.4-162.el8_8 , < * (rpm)
    cpe:/o:redhat:rhel_tus:8.8::baseos
    cpe:/o:redhat:rhel_e4s:8.8::baseos
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Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:2.68.4-16.el9_6.2 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:9::crb
    cpe:/a:redhat:enterprise_linux:9::appstream
    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: 0:2.68.4-5.el9_0.2 , < * (rpm)
    cpe:/o:redhat:rhel_e4s:9.0::baseos
    cpe:/a:redhat:rhel_e4s:9.0::appstream
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Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Unaffected: 0:2.68.4-7.el9_2.2 , < * (rpm)
    cpe:/a:redhat:rhel_e4s:9.2::appstream
    cpe:/o:redhat:rhel_e4s:9.2::baseos
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Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support Unaffected: 0:2.68.4-14.el9_4.3 , < * (rpm)
    cpe:/o:redhat:rhel_eus:9.4::baseos
    cpe:/a:redhat:rhel_eus:9.4::appstream
    cpe:/a:redhat:rhel_eus:9.4::crb
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Red Hat Red Hat Insights proxy 1.5 Unaffected: sha256:e54a5a5f9d69dd6a03e2bcd845e2202910a188d266d4a79b12c387ceffc36f2d , < * (rpm)
    cpe:/a:redhat:insights_proxy:1.5::el9
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Red Hat Red Hat OpenShift distributed tracing 3.6.0 Unaffected: sha256:a891aa3f77d70d9d7966dfc71ff9087f45deb95d3025072da96a3ec5220db1f3 , < * (rpm)
    cpe:/a:redhat:openshift_distributed_tracing:3.6::el8
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Red Hat Red Hat OpenShift distributed tracing 3.6.0 Unaffected: sha256:d9ca4a9ec5bc8de23e4550387f822f19949cdfbc4aeeab20e07b206d92f4a426 , < * (rpm)
    cpe:/a:redhat:openshift_distributed_tracing:3.6::el8
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Red Hat Red Hat OpenShift distributed tracing 3.6.0 Unaffected: sha256:addf7b49ce99777a3bbf12c2e6678b604f3cfaf91feaaeb4192d75e902e46458 , < * (rpm)
    cpe:/a:redhat:openshift_distributed_tracing:3.6::el8
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Red Hat Red Hat OpenShift distributed tracing 3.6.0 Unaffected: sha256:d4ef54ac8de0eaf22e294dad8852ea8b5c20f85deb19629a3a4e0020851266c3 , < * (rpm)
    cpe:/a:redhat:openshift_distributed_tracing:3.6::el8
 Create a notification for this product.
Red Hat Red Hat OpenShift distributed tracing 3.6.0 Unaffected: sha256:1c4617b035c66b6b34e9b19f618f72a19da5fce644d79e24eb262f14c848bc81 , < * (rpm)
    cpe:/a:redhat:openshift_distributed_tracing:3.6::el8
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Red Hat Red Hat OpenShift distributed tracing 3.6.0 Unaffected: sha256:8c5dddd29d08fe8234edbbcda055fe6b0f9a7d7a0edfc3cd130797fdf78cce5c , < * (rpm)
    cpe:/a:redhat:openshift_distributed_tracing:3.6::el8
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Red Hat Red Hat OpenShift distributed tracing 3.6.0 Unaffected: sha256:be3feca3b19ac609e5ef829887b6d03ca3c504163ed0f9e10b2410cdfb175b72 , < * (rpm)
    cpe:/a:redhat:openshift_distributed_tracing:3.6::el8
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Red Hat Red Hat OpenShift distributed tracing 3.6.0 Unaffected: sha256:3d37f30462f237f5087ef8ac90e39f5cd2cbaf5c143f7cae9d6155eb574726f2 , < * (rpm)
    cpe:/a:redhat:openshift_distributed_tracing:3.6::el8
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Red Hat Red Hat OpenShift distributed tracing 3.6.0 Unaffected: sha256:8fb68adefecd8ccb94404399ac6c8038c064c85287f4f980a0855da1cbd0dcb7 , < * (rpm)
    cpe:/a:redhat:openshift_distributed_tracing:3.6::el8
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Red Hat Red Hat Enterprise Linux 10     cpe:/o:redhat:enterprise_linux:10
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Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
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Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
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Red Hat Red Hat Enterprise Linux 8     cpe:/o:redhat:enterprise_linux:8
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Red Hat Red Hat Enterprise Linux 9     cpe:/o:redhat:enterprise_linux:9
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Siemens RUGGEDCOM RST2428P Affected: 0 , < V3.3 (custom)
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Siemens SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family Affected: 0 , < V3.3 (custom)
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Siemens SCALANCE XCH328 Affected: 0 , < V3.3 (custom)
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Siemens SCALANCE XCM324 Affected: 0 , < V3.3 (custom)
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Siemens SCALANCE XCM328 Affected: 0 , < V3.3 (custom)
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Siemens SCALANCE XCM332 Affected: 0 , < V3.3 (custom)
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Siemens SCALANCE XRH334 (24 V DC, 8xFO, CC) Affected: 0 , < V3.3 (custom)
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Siemens SCALANCE XRM334 (230 V AC, 12xFO) Affected: 0 , < V3.3 (custom)
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Siemens SCALANCE XRM334 (230 V AC, 8xFO) Affected: 0 , < V3.3 (custom)
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Siemens SCALANCE XRM334 (230V AC, 2x10G, 24xSFP, 8xSFP+) Affected: 0 , < V3.3 (custom)
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Siemens SCALANCE XRM334 (24 V DC, 12xFO) Affected: 0 , < V3.3 (custom)
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Siemens SCALANCE XRM334 (24 V DC, 8xFO) Affected: 0 , < V3.3 (custom)
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Siemens SCALANCE XRM334 (24V DC, 2x10G, 24xSFP, 8xSFP+) Affected: 0 , < V3.3 (custom)
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Siemens SCALANCE XRM334 (2x230 V AC, 12xFO) Affected: 0 , < V3.3 (custom)
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Siemens SCALANCE XRM334 (2x230 V AC, 8xFO) Affected: 0 , < V3.3 (custom)
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Siemens SCALANCE XRM334 (2x230V AC, 2x10G, 24xSFP, 8xSFP+) Affected: 0 , < V3.3 (custom)
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Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP Affected: V3.1.5 , < * (custom)
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Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP Affected: V3.1.5 , < * (custom)
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Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP Affected: V3.1.5 , < * (custom)
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Date Public
2025-05-06 00:00
Show details on NVD website
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When the position at which to insert the character is large, the position will overflow, leading to a buffer underwrite.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-124\", \"description\": \"Buffer Underwrite (\u0027Buffer Underflow\u0027)\"}]}], \"providerMetadata\": {\"orgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"shortName\": \"redhat\", \"dateUpdated\": \"2026-01-29T19:05:58.921Z\"}, \"x_redhatCweChain\": \"CWE-124: Buffer Underwrite (\u0027Buffer Underflow\u0027)\"}}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-4373\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-01-29T19:05:58.921Z\", \"dateReserved\": \"2025-05-06T00:35:29.069Z\", \"assignerOrgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"datePublished\": \"2025-05-06T14:48:39.264Z\", \"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.