Common Weakness Enumeration
CWE-122
AllowedHeap-based Buffer Overflow
Abstraction: Variant · Status: Draft
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
6290 vulnerabilities reference this CWE, most recent first.
CVE-2026-120208 (GCVE-0-2026-120208)
Vulnerability from cvelistv5 – Published: 2026-10-31 17:25 – Updated: 2026-10-31 17:25
VLAI
EPSS
VEX
Title
libheif 1.18.0 before 1.23.3 Heap Buffer Overflow via unci Mixed-Interleave Decoder
Summary
libheif 1.18.0 before 1.23.3 contains a heap-based buffer overflow vulnerability in unc_decoder_mixed_interleave::processTile() that allows attackers to write out of bounds by supplying chroma components with unequal bit depths. Attackers can craft a HEIF file declaring, for example, 16-bit Cb and 8-bit Cr to trigger file-controlled heap writes past the Cr plane, potentially achieving code execution in image-processing pipelines.
Severity
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/strukturag/libheif/security/ad… | vendor-advisory |
| https://github.com/strukturag/libheif/commit/9d3c… | patch |
| https://github.com/strukturag/libheif/releases/ta… | release-notes |
| https://github.com/strukturag/libheif/blob/v1.23.… | technical-description |
| https://www.vulncheck.com/advisories/libheif-1.18… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| strukturag | libheif |
Affected:
1.18.0 , < 1.23.3
(semver)
|
Date Public
2026-09-01 00:00
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CVE-2026-119727 (GCVE-0-2026-119727)
Vulnerability from cvelistv5 – Published: 2026-10-30 18:51 – Updated: 2026-10-30 18:51
VLAI
EPSS
VEX
Title
Gst-plugins-bad: gst-plugins-bad: h.265 sps scc palette predictor array overflow via integer underflow in bounds computation
Summary
A flaw was found in GStreamer's gst-plugins-bad H.265 video parser. When parsing a specially crafted H.265 bitstream containing a Screen Content Coding (SCC) extension with certain palette predictor initializer settings, an integer underflow in the upper-bound computation allows the parser to accept an out-of-range value for the number of palette predictor entries. This causes the parser to write beyond the end of a fixed-size array, resulting in memory corruption and an application crash. Successful exploitation requires an attacker to provide a malformed H.265 media file to a vulnerable application, and is limited to a denial-of-service impact.
Severity
6.5 (Medium)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://access.redhat.com/security/cve/CVE-2026-119727 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2564118 | issue-trackingx_refsource_REDHAT |
| https://gitlab.freedesktop.org/gstreamer/gstreame… | |
| https://gstreamer.freedesktop.org/security/sa-202… |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 |
cpe:/o:redhat:enterprise_linux:10
|
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7
|
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8
|
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9
|
Date Public
2026-02-25 00:00
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CVE-2026-119124 (GCVE-0-2026-119124)
Vulnerability from cvelistv5 – Published: 2026-10-29 15:58 – Updated: 2026-10-29 15:58
VLAI
EPSS
VEX
Title
ImageMagick before 7.1.2-34 Heap Buffer Overflow via -morph Option
Summary
ImageMagick before 7.1.2-34 contains a heap-based buffer overflow in its -morph processing, where crafted images cause writes beyond the bounds of a heap buffer. An attacker can supply a crafted image that, when processed by a user with the -morph option, corrupts heap memory and crashes the application.
Severity
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/ImageMagick/ImageMagick/securi… | vendor-advisory |
| https://www.vulncheck.com/advisories/imagemagick-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| ImageMagick | ImageMagick |
Affected:
0 , < 7.1.2-34
(semver)
Unaffected: 7.1.2-34 (semver) cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:* |
Date Public
2026-10-14 00:00
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CVE-2026-118611 (GCVE-0-2026-118611)
Vulnerability from cvelistv5 – Published: 2026-10-28 16:50 – Updated: 2026-10-28 16:50
VLAI
EPSS
VEX
Title
Alpine iLX-F511 Bluetooth OBEX Packet Handling Heap-based Buffer Overflow Remote Code Execution Vulnerability
Summary
Alpine iLX-F511 Bluetooth OBEX Packet Handling Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows physically present attackers to execute arbitrary code on affected installations of Alpine iLX-F511 devices. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the handling of Bluetooth OBEX packets. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-29012.
Severity
6.8 (Medium)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_research-advisory |
Date Public
2026-10-28 16:45
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CVE-2026-116837 (GCVE-0-2026-116837)
Vulnerability from cvelistv5 – Published: 2026-10-27 00:44 – Updated: 2026-10-27 00:44
VLAI
EPSS
VEX
Summary
A malicious actor with access to the adjacent network could exploit a Heap-based Buffer Overflow vulnerability found in airMAX M, LTU, SolarPoint, and SolarSwitch devices to execute arbitrary code on the device.
Severity
8.8 (High)
CWE
- CWE-122 - Heap-based buffer overflow
Assigner
References
1 reference
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Ubiquiti Inc | airMAX M |
Affected:
0 , < 6.3.26
(semver)
|
|
| Ubiquiti Inc | LTU PTMP |
Affected:
0 , < 2.4.2
(semver)
|
|
| Ubiquiti Inc | LTU PTP |
Affected:
0 , < 1.5.7
(semver)
|
|
| Ubiquiti Inc | SolarPoint / SolarSwitch |
Affected:
0 , < 2.0.3
(semver)
|
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CVE-2026-116776 (GCVE-0-2026-116776)
Vulnerability from cvelistv5 – Published: 2026-10-28 15:42 – Updated: 2026-10-29 18:37
VLAI
EPSS
VEX
Title
USB Test: Heap-based Buffer Overflow in getSectorSize via untrusted DISK_GEOMETRY.BytesPerSector leads to RCE/DoS
Summary
USB Test is a lightweight Windows CLI utility for verifying sector integrity and detecting overreported capacity on USB flash drives. Prior to version 1.1.5, getSectorSize() in USB Test/src/driveinfo.cpp trusts DISK_GEOMETRY.BytesPerSector returned by IOCTL_DISK_GET_DRIVE_GEOMETRY without checking whether the call succeeded or enforcing size bounds. USB Test/src/drivetest.cpp uses the value for division and to size a heap buffer before memcpy(buffer.data(), §or, 8), so a physically connected malicious USB storage device can report a value below eight bytes and cause repeated out-of-bounds writes, or report zero and cause a divide-by-zero denial of service when a user starts a drive test. The heap corruption can crash the elevated application and may permit arbitrary code execution. This issue is fixed in version 1.1.5.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-29 18:36 UTC
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/n-romanovich/usb-test/security… | x_refsource_CONFIRM |
| https://github.com/n-romanovich/usb-test/commit/5… | x_refsource_MISC |
| https://github.com/n-romanovich/usb-test/releases… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n-romanovich | usb-test |
Affected:
< 1.1.5
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CVE-2026-116488 (GCVE-0-2026-116488)
Vulnerability from cvelistv5 – Published: 2026-10-26 13:08 – Updated: 2026-10-31 01:22
VLAI
EPSS
VEX
Title
NXP MCUXpresso SDK USB Middleware before 2.13.0 Heap Overflow via Host Class Drivers
Summary
NXP MCUXpresso SDK USB middleware (mcuxsdk-middleware-usb) before 2.13.0 contains a heap buffer overflow in host audio, video and CDC class drivers that trust device-supplied bNumEndpoints and bLength values. A malicious USB device can supply crafted descriptors that write endpoint entries past the fixed-size epList array, corrupting heap memory for code execution or denial of service.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-31 01:22 UTC
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://github.com/nxp-mcuxpresso/mcuxsdk-middlew… | patch |
| https://github.com/nxp-mcuxpresso/mcuxsdk-middlew… | patch |
| https://github.com/nxp-mcuxpresso/mcuxsdk-middlew… | patch |
| https://github.com/nxp-mcuxpresso/mcuxsdk-middlew… | technical-description |
| https://mcuxpresso.nxp.com/mcuxsdk/latest/release… | release-notes |
| https://github.com/nxp-mcuxpresso/mcuxsdk-middlew… | product |
| https://www.vulncheck.com/advisories/nxp-mcuxpres… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| NXP | mcuxsdk-middleware-usb |
Affected:
0 , < 2.13.0
(custom)
Unaffected: 2.13.0 (custom) |
Date Public
2026-09-07 00:00
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CVE-2026-116262 (GCVE-0-2026-116262)
Vulnerability from cvelistv5 – Published: 2026-10-26 11:45 – Updated: 2026-10-26 16:16
VLAI
EPSS
VEX
Title
libimobiledevice Web Inspector webinspector.c webinspector_receive_with_timeout heap-based overflow
Summary
A vulnerability was detected in libimobiledevice up to 1.4.0. The affected element is the function webinspector_receive_with_timeout of the file src/webinspector.c of the component Web Inspector. The manipulation results in heap-based buffer overflow. It is possible to launch the attack remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-26 15:59 UTC
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/426301 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/426301/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-116262 | third-party-advisory |
| https://vuldb.com/submit/1009972 | third-party-advisory |
| https://bohmid-com.vercel.app/#/article/blog-afc-… | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | libimobiledevice |
Affected:
1.0
Affected: 1.1 Affected: 1.2 Affected: 1.3 Affected: 1.4.0 cpe:2.3:a:libimobiledevice:libimobiledevice:*:*:*:*:*:*:*:* |
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CVE-2026-116258 (GCVE-0-2026-116258)
Vulnerability from cvelistv5 – Published: 2026-10-26 10:45 – Updated: 2026-10-26 10:45
VLAI
EPSS
VEX
Title
libimobiledevice AFC afc.c heap-based overflow
Summary
A vulnerability was identified in libimobiledevice up to 1.4.0. This affects an unknown part of the file src/afc.c of the component AFC. Such manipulation leads to heap-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/426297 | vdb-entry |
| https://vuldb.com/vuln/426297/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-116258 | third-party-advisory |
| https://vuldb.com/submit/1009966 | third-party-advisory |
| https://bohmid-com.vercel.app/#/article/blog-afc-… | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | libimobiledevice |
Affected:
1.0
Affected: 1.1 Affected: 1.2 Affected: 1.3 Affected: 1.4.0 cpe:2.3:a:libimobiledevice:libimobiledevice:*:*:*:*:*:*:*:* |
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CVE-2026-116160 (GCVE-0-2026-116160)
Vulnerability from cvelistv5 – Published: 2026-10-25 13:20 – Updated: 2026-10-25 13:20
VLAI
EPSS
VEX
Title
ImageMagick before 6.9.13-58 and 7.x before 7.1.2-33 Heap Buffer Overflow via X11 Animate
Summary
ImageMagick before 6.9.13-58 and 7.x before 7.1.2-33 contains a heap-based buffer overflow in the X11 animate operation when processing crafted images. Attackers can supply a malicious image that, when a user runs an X11 animate operation on it, overwrites heap memory and can crash the application.
Severity
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/ImageMagick/ImageMagick/securi… | vendor-advisory |
| https://www.vulncheck.com/advisories/imagemagick-… | third-party-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| ImageMagick | ImageMagick |
Affected:
7.0.0-0 , < 7.1.2-33
(custom)
Unaffected: 7.1.2-33 (custom) |
|
| ImageMagick | ImageMagick |
Affected:
0 , < 6.9.13-58
(custom)
Unaffected: 6.9.13-58 (custom) |
Date Public
2026-10-10 00:00
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Mitigation
Pre-design: Use a language or compiler that performs automatic bounds checking.
Mitigation
Architecture and Design
Use an abstraction library to abstract away risky APIs. Not a complete solution.
Mitigation MIT-10
Operation
Build and Compilation
Strategy: Environment Hardening
- Use automatic buffer overflow detection mechanisms that are offered by certain compilers or compiler extensions. Examples include: the Microsoft Visual Studio /GS flag, Fedora/Red Hat FORTIFY_SOURCE GCC flag, StackGuard, and ProPolice, which provide various mechanisms including canary-based detection and range/index checking.
- D3-SFCV (Stack Frame Canary Validation) from D3FEND [REF-1334] discusses canary-based detection in detail.
Mitigation MIT-11
Operation
Build and Compilation
Strategy: Environment Hardening
- Run or compile the software using features or extensions that randomly arrange the positions of a program's executable and libraries in memory. Because this makes the addresses unpredictable, it can prevent an attacker from reliably jumping to exploitable code.
- Examples include Address Space Layout Randomization (ASLR) [REF-58] [REF-60] and Position-Independent Executables (PIE) [REF-64]. Imported modules may be similarly realigned if their default memory addresses conflict with other modules, in a process known as "rebasing" (for Windows) and "prelinking" (for Linux) [REF-1332] using randomly generated addresses. ASLR for libraries cannot be used in conjunction with prelink since it would require relocating the libraries at run-time, defeating the whole purpose of prelinking.
- For more information on these techniques see D3-SAOR (Segment Address Offset Randomization) from D3FEND [REF-1335].
Mitigation
Implementation
Implement and perform bounds checking on input.
Mitigation
Implementation
Strategy: Libraries or Frameworks
Do not use dangerous functions such as gets. Look for their safe equivalent, which checks for the boundary.
Mitigation
Operation
Use OS-level preventative functionality. This is not a complete solution, but it provides some defense in depth.
CAPEC-92: Forced Integer Overflow
This attack forces an integer variable to go out of range. The integer variable is often used as an offset such as size of memory allocation or similarly. The attacker would typically control the value of such variable and try to get it out of range. For instance the integer in question is incremented past the maximum possible value, it may wrap to become a very small, or negative number, therefore providing a very incorrect value which can lead to unexpected behavior. At worst the attacker can execute arbitrary code.