CWE-196 Unsigned to Signed Conversion Error

variant

The product uses an unsigned primitive and performs a cast to a signed primitive, which can produce an unexpected value if the value of the unsigned primitive can not be represented using a signed primitive.

01

parent weaknesses

Broader classes this is a kind of.

02

vulnerabilities (9)

Known CVEs related to this entry.

IDseverity exploitable
CVE-2022-36025UScritical9.1—
Besu is a Java-based Ethereum client. In versions newer than 22.1.3 and prior to 22.7.1, Besu is subject to an Incorrect Conversion between Numeric Types. An error in 32 bit signed…
CVE-2020-13545UShigh7.8—
An exploitable signed conversion vulnerability exists in the TextMaker document parsing functionality of SoftMaker Office 2021’s TextMaker application. A specially crafted document…
CVE-2020-7067UShigh7.5—
In PHP versions 7.2.x below 7.2.30, 7.3.x below 7.3.17 and 7.4.x below 7.4.5, if PHP is compiled with EBCDIC support (uncommon), urldecode() function can be made to access location…
CVE-2026-106567UShigh7.5—
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to 7.1.2-32 and 6.9.13-57, a crafted PSD file can trigger an integer-conversion…
CVE-2023-0185UShigh7.1—
NVIDIA GPU Display Driver for Linux contains a vulnerability in the kernel mode layer, where sign conversion issuescasting an unsigned primitive to signed may lead to denial of ser…
CVE-2026-34155USmedium5.3—
RAUC controls the update process on embedded Linux systems. Prior to version 1.15.2, RAUC bundles using the 'plain' format exceeding a payload size of 2 GiB cause an integer overfl…
CVE-2026-93019US——
Imager versions before 1.036 for Perl exit the process reading a TGA with a colour map length of 32768 or more in tga_palette_read. The reader unpacks the two-byte colour map leng…
CVE-2026-58317US——
Unsigned to Signed Conversion Error (CWE-196) vulnerability exists in TTSSH2 plugin of Tera Term provided by TeraTerm Project. When Tera Term attempts to establish an SSH connectio…
CVE-2026-14454US——
Imager versions before 1.033 for Perl treat unsigned EXIF IFD entry counts as signed. Imager mishandled large EXIF IFD entry count values, treating them as negative numbers. This…
03

attack patterns (1)

CAPEC attack patterns that exploit this.

04

source

Where this definition is published.

scry

Weaknesses like this turn up in real, exploitable exposures. See what is exposed on your perimeter with a free passive scan.

Free scan