Common Weakness Enumeration

CWE-758

Allowed-with-Review

Reliance on Undefined, Unspecified, or Implementation-Defined Behavior

Abstraction: Class · Status: Incomplete

The product uses an API function, data structure, or other entity in a way that relies on properties that are not always guaranteed to hold for that entity.

36 vulnerabilities reference this CWE, most recent first.

CVE-2026-24407 (GCVE-0-2026-24407)

Vulnerability from cvelistv5 – Published: 2026-01-24 01:05 – Updated: 2026-01-26 17:14
VLAI
Title
iccDEV has Undefined Behavior in icSigCalcOp()
Summary
iccDEV provides libraries and tools for interacting with, manipulating, and applying ICC color management profiles. Versions 2.3.1.1 and below have Undefined Behavior in icSigCalcOp(). This occurs when user-controllable input is unsafely incorporated into ICC profile data or other structured binary blobs. Successful exploitation may allow an attacker to perform DoS, manipulate data, bypass application logic and Code Execution. This issue has been fixed in version 2.3.1.2.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-26 17:14 UTC
CWE
  • CWE-20 - Improper Input Validation
  • CWE-758 - Reliance on Undefined, Unspecified, or Implementation-Defined Behavior
Impacted products
Show details on NVD website

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CVE-2026-24404 (GCVE-0-2026-24404)

Vulnerability from cvelistv5 – Published: 2026-01-24 00:55 – Updated: 2026-01-26 16:17
VLAI
Title
iccDEV has Null Pointer Deference and Undefined Behavior in CIccXmlArrayType()
Summary
iccDEV provides libraries and tools for interacting with, manipulating, and applying ICC color management profiles. In versions 2.3.1.1 and below, CIccXmlArrayType() contains a Null Pointer Dereference and Undefined Behavior vulnerability. This occurs when user-controllable input is unsafely incorporated into ICC profile data or other structured binary blobs. Successful exploitation may allow an attacker to perform DoS, manipulate data, bypass application logic and Code Execution. This issue has been fixed in version 2.3.1.2.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-26 16:14 UTC
CWE
  • CWE-20 - Improper Input Validation
  • CWE-476 - NULL Pointer Dereference
  • CWE-690 - Unchecked Return Value to NULL Pointer Dereference
  • CWE-758 - Reliance on Undefined, Unspecified, or Implementation-Defined Behavior
Impacted products
Show details on NVD website

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CVE-2026-22858 (GCVE-0-2026-22858)

Vulnerability from cvelistv5 – Published: 2026-01-14 17:56 – Updated: 2026-08-19 12:05
VLAI
Title
FreeRDP has a global-buffer-overflow in crypto_base64_decode
Summary
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, global-buffer-overflow was observed in FreeRDP's Base64 decoding path. The root cause appears to be implementation-defined char signedness: on Arm/AArch64 builds, plain char is treated as unsigned, so the guard c <= 0 can be optimized into a simple c != 0 check. As a result, non-ASCII bytes (e.g., 0x80-0xFF) may bypass the intended range restriction and be used as an index into a global lookup table, causing out-of-bounds access. This vulnerability is fixed in 3.20.1.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-14 21:11 UTC
CWE
  • CWE-125 - Out-of-bounds Read
  • CWE-758 - Reliance on Undefined, Unspecified, or Implementation-Defined Behavior
  • CWE-787 - Out-of-bounds Write
References
URL Tags
https://github.com/FreeRDP/FreeRDP/security/advis… x_refsource_CONFIRM
https://github.com/FreeRDP/FreeRDP/releases/tag/3.20.1 x_refsource_MISC
https://access.redhat.com/security/cve/CVE-2026-22858 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2429649 issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/v… x_sadp-csaf-vex
https://access.redhat.com/errata/RHSA-2026:4471 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:4121 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:3068 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:19033 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:3334 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:4433 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:4439 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:4446 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:4440 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:4489 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:4437 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:4438 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:3975 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:3067 vendor-advisoryx_refsource_REDHAT
Impacted products
Vendor Product Version
FreeRDP FreeRDP Affected: < 3.20.1
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 10 Unaffected: 2:3.10.3-12.el10_2.2 , < * (rpm)
Unaffected: 2:3.10.3-5.el10_1.2 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:10.1
    cpe:/o:redhat:enterprise_linux:10.2
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support Unaffected: 2:3.10.3-3.el10_0.2 , < * (rpm)
    cpe:/o:redhat:enterprise_linux_eus:10.0
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support Unaffected: 0:2.1.1-5.el7_9.2 , < * (rpm)
    cpe:/o:redhat:rhel_els:7
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8 Unaffected: 2:2.11.7-3.el8_10 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:8
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support Unaffected: 2:2.0.0-46.rc4.el8_2.7 , < * (rpm)
    cpe:/a:redhat:rhel_aus:8.2
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Unaffected: 2:2.2.0-8.el8_4 , < * (rpm)
    cpe:/a:redhat:rhel_aus:8.4
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On Unaffected: 2:2.2.0-8.el8_4 , < * (rpm)
    cpe:/a:redhat:rhel_eus_long_life:8.4
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Unaffected: 2:2.2.0-7.el8_6.2 , < * (rpm)
    cpe:/a:redhat:rhel_aus:8.6
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service Unaffected: 2:2.2.0-7.el8_6.2 , < * (rpm)
    cpe:/a:redhat:rhel_tus:8.6
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions Unaffected: 2:2.2.0-7.el8_6.2 , < * (rpm)
    cpe:/a:redhat:rhel_e4s:8.6
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service Unaffected: 2:2.2.0-12.el8_8.2 , < * (rpm)
    cpe:/a:redhat:rhel_tus:8.8
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Unaffected: 2:2.2.0-12.el8_8.2 , < * (rpm)
    cpe:/a:redhat:rhel_e4s:8.8
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 9 Unaffected: 2:2.11.7-1.el9_7.2 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:9
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions Unaffected: 2:2.4.1-3.el9_0.1 , < * (rpm)
    cpe:/a:redhat:rhel_e4s:9.0
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Unaffected: 2:2.4.1-6.el9_2.3 , < * (rpm)
    cpe:/a:redhat:rhel_e4s:9.2
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support Unaffected: 2:2.11.2-1.el9_4.2 , < * (rpm)
    cpe:/a:redhat:rhel_eus:9.4
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support Unaffected: 2:2.11.7-1.el9_6.2 , < * (rpm)
    cpe:/a:redhat:rhel_eus:9.6
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
Create a notification for this product.
Show details on NVD website

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CVE-2026-21687 (GCVE-0-2026-21687)

Vulnerability from cvelistv5 – Published: 2026-01-07 21:32 – Updated: 2026-01-07 21:38
VLAI
Title
iccDEV has Undefined Behavior in CIccTagCurve::CIccTagCurve()
Summary
iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of International Color Consortium (ICC) color management profiles. Versions prior to 2.3.1.2 have Undefined Behavior in `CIccTagCurve::CIccTagCurve()`. This vulnerability affects users of the iccDEV library who process ICC color profiles. Version 2.3.1.2 contains a patch. No known workarounds are available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-07 21:38 UTC
CWE
  • CWE-20 - Improper Input Validation
  • CWE-758 - Reliance on Undefined, Unspecified, or Implementation-Defined Behavior
Impacted products
Show details on NVD website

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CVE-2026-21686 (GCVE-0-2026-21686)

Vulnerability from cvelistv5 – Published: 2026-01-07 21:25 – Updated: 2026-01-07 21:41
VLAI
Title
iccDEV has Undefined Behavior in CIccTagLutAtoB::Validate()
Summary
iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of International Color Consortium (ICC) color management profiles. Versions prior to 2.3.1.2 have Undefined Behavior in `CIccTagLutAtoB::Validate()`. This vulnerability affects users of the iccDEV library who process ICC color profiles. Version 2.3.1.2 contains a patch. No known workarounds are available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-07 21:41 UTC
CWE
  • CWE-20 - Improper Input Validation
  • CWE-758 - Reliance on Undefined, Unspecified, or Implementation-Defined Behavior
Impacted products
Show details on NVD website

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CVE-2026-21685 (GCVE-0-2026-21685)

Vulnerability from cvelistv5 – Published: 2026-01-07 21:23 – Updated: 2026-01-07 21:42
VLAI
Title
iccDEV has Undefined Behavior in CIccTagLut16::Read()
Summary
iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of International Color Consortium (ICC) color management profiles. Versions prior to 2.3.1.2 have Undefined Behavior in `CIccTagLut16::Read()`. This vulnerability affects users of the iccDEV library who process ICC color profiles. Version 2.3.1.2 contains a patch. No known workarounds are available.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-07 21:42 UTC
CWE
  • CWE-20 - Improper Input Validation
  • CWE-758 - Reliance on Undefined, Unspecified, or Implementation-Defined Behavior
Impacted products
Show details on NVD website

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CVE-2026-21684 (GCVE-0-2026-21684)

Vulnerability from cvelistv5 – Published: 2026-01-07 21:18 – Updated: 2026-01-07 21:35
VLAI
Title
iccDEV has Undefined Behavior in CIccTagSpectralViewingConditions()
Summary
iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of International Color Consortium (ICC) color management profiles. Versions prior to 2.3.1.2 have Undefined Behavior in `CIccTagSpectralViewingConditions()`. This vulnerability affects users of the iccDEV library who process ICC color profiles. Version 2.3.1.2 contains a patch. No known workarounds are available.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-07 21:35 UTC
CWE
  • CWE-20 - Improper Input Validation
  • CWE-758 - Reliance on Undefined, Unspecified, or Implementation-Defined Behavior
Impacted products
Show details on NVD website

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CVE-2026-21677 (GCVE-0-2026-21677)

Vulnerability from cvelistv5 – Published: 2026-01-06 03:11 – Updated: 2026-01-06 18:56
VLAI
Title
iccDEV has Undefined Behavior in CIccCLUT::Init()
Summary
iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1 and below have Undefined Behavior in its CIccCLUT::Init function which initializes and sets the size of a CLUT. This issue is fixed in version 2.3.1.1.
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-06 14:19 UTC
CWE
  • CWE-758 - Reliance on Undefined, Unspecified, or Implementation-Defined Behavior
  • CWE-20 - Improper Input Validation
Impacted products
Show details on NVD website

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CVE-2026-16441 (GCVE-0-2026-16441)

Vulnerability from cvelistv5 – Published: 2026-07-21 18:07 – Updated: 2026-07-22 19:07
VLAI
Title
Eclipse OpenJ9 : Method resolution default method precedence failure
Summary
In Eclipse OpenJ9 versions up to 0.60, when executing class files where a previously concrete superclass method has been recompiled as abstract, execution is incorrectly delegated to an interface default method.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-22 19:07 UTC
CWE
Impacted products
Vendor Product Version
Eclipse Foundation OpenJ9 Affected: 0.8.0 , < 0.60.0 (custom)
Unaffected: 0 , < 0.8.0 (custom)
Unaffected: 0.60.0 (custom)
Create a notification for this product.
Show details on NVD website

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CVE-2025-55160 (GCVE-0-2025-55160)

Vulnerability from cvelistv5 – Published: 2025-08-13 14:00 – Updated: 2025-08-13 14:26
VLAI
Title
ImageMagick Undefined Behavior (function-type-mismatch) in CloneSplayTree
Summary
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-27 and 7.1.2-1, there is undefined behavior (function-type-mismatch) in splay tree cloning callback. This results in a deterministic abort under UBSan (DoS in sanitizer builds), with no crash in a non-sanitized build. This issue has been patched in versions 6.9.13-27 and 7.1.2-1.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-08-13 14:26 UTC
CWE
  • CWE-758 - Reliance on Undefined, Unspecified, or Implementation-Defined Behavior
References
Impacted products
Vendor Product Version
ImageMagick ImageMagick Affected: < 6.9.13-27
Affected: < 7.1.2-1
Create a notification for this product.
Show details on NVD website

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No mitigation information available for this CWE.

No CAPEC attack patterns related to this CWE.