VYPR

CWE-193

Off-by-one Error

BaseDraft

Description

A product calculates or uses an incorrect maximum or minimum value that is 1 more, or 1 less, than the correct value.

Hierarchy (View 1000)

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CVEs mapped to this weakness (238)

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  • CVE-2026-32605HigApr 13, 2026
    risk 0.42cvss 7.5epss 0.00

    nimiq/core-rs-albatross is a Rust implementation of the Nimiq Proof-of-Stake protocol based on the Albatross consensus algorithm. Prior to version 1.3.0, an untrusted peer could crash a validator by publishing a signed tendermint proposal message where signer ==…

  • CVE-2026-25989HigFeb 24, 2026
    risk 0.42cvss 7.5epss 0.01

    ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, a crafted SVG file can cause a denial of service. An off-by-one boundary check (`>` instead of `>=`) that allows bypass the guard and reach an…

  • CVE-2025-47711MedJun 9, 2025
    risk 0.42cvss 6.5epss 0.00

    There's a flaw in the nbdkit server when handling responses from its plugins regarding the status of data blocks. If a client makes a specific request for a very large data range, and a plugin responds with an even larger single block, the nbdkit server can encounter a critical…

  • CVE-2023-46247HigDec 13, 2023
    risk 0.42cvss 7.5epss 0.01

    Vyper is a Pythonic Smart Contract Language for the Ethereum Virtual Machine (EVM). Contracts containing large arrays might underallocate the number of slots they need by 1. Prior to v0.3.8, the calculation to determine how many slots a storage variable needed used…

  • CVE-2021-3930MedFeb 18, 2022
    risk 0.42cvss 6.5epss 0.00

    An off-by-one error was found in the SCSI device emulation in QEMU. It could occur while processing MODE SELECT commands in mode_sense_page() if the 'page' argument was set to MODE_PAGE_ALLS (0x3f). A malicious guest could use this flaw to potentially crash QEMU, resulting in a…

  • CVE-2020-35893HigDec 31, 2020
    risk 0.42cvss 7.5epss 0.01

    An issue was discovered in the simple-slab crate before 0.3.3 for Rust. remove() has an off-by-one error, causing memory leakage and a drop of uninitialized memory.

  • CVE-2019-19906HigDec 19, 2019
    risk 0.42cvss 7.5epss 0.08

    cyrus-sasl (aka Cyrus SASL) 2.1.27 has an out-of-bounds write leading to unauthenticated remote denial-of-service in OpenLDAP via a malformed LDAP packet. The OpenLDAP crash is ultimately caused by an off-by-one error in _sasl_add_string in common.c in cyrus-sasl.

  • CVE-2015-8701MedDec 29, 2016
    risk 0.42cvss 6.5epss 0.00

    QEMU (aka Quick Emulator) built with the Rocker switch emulation support is vulnerable to an off-by-one error. It happens while processing transmit (tx) descriptors in 'tx_consume' routine, if a descriptor was to have more than allowed (ROCKER_TX_FRAGS_MAX=16) fragments. A…

  • CVE-2023-4260MedSep 27, 2023
    risk 0.41cvss 6.3epss 0.01

    Potential off-by-one buffer overflow vulnerability in the Zephyr fuse file system.

  • CVE-2026-58380HigJul 6, 2026
    risk 0.40cvss 7.3epss 0.00

    A flaw was found in GIMP's PNM file format parser. When parsing a specially crafted PNM file, the pnmscanner_gettoken() function writes a null terminator one byte past the end of a stack-allocated buffer due to an off-by-one error in the loop boundary check. This could lead to…

  • CVE-2026-58014HigJun 30, 2026
    risk 0.40cvss 7.3epss 0.00

    A flaw was found in GLib. An off-by-one error can occur in the g_key_file_get_locale_string_list function in the gkeyfile.c file when loading a key file with an empty value. This flaw can cause an out-of-bounds access of 1 byte or a denial of service when the out-of-bounds…

  • CVE-2026-6861MedApr 22, 2026
    risk 0.40cvss 6.1epss 0.00

    A flaw was found in GNU Emacs. This vulnerability, a memory corruption issue, occurs when Emacs processes specially crafted SVG (Scalable Vector Graphics) CSS (Cascading Style Sheets) data. A local user could exploit this by convincing a victim to open a malicious SVG file,…

  • CVE-2026-4887MedMar 26, 2026
    risk 0.40cvss 6.1epss 0.01

    A flaw was found in GIMP. This issue is a heap buffer over-read in GIMP PCX file loader due to an off-by-one error. A remote attacker could exploit this by convincing a user to open a specially crafted PCX image. Successful exploitation could lead to out-of-bounds memory…

  • CVE-2026-63387HigAug 20, 2026
    risk 0.39cvss 7.0epss 0.00

    Libevent is an event notification library. Prior to 2.1.13 and 2.2.2-alpha, libevent has an off-by-one stack buffer overflow in evdns.c when dnsname_to_labels formats a name-bearing DNS record at the end of the 64 KB stack buffer allocated by…

  • CVE-2026-31992HigMar 19, 2026
    risk 0.39cvss 7.1epss 0.00

    OpenClaw versions prior to 2026.2.23 contain an allowlist bypass vulnerability in system.run guardrails that allows authenticated operators to execute unintended commands. When /usr/bin/env is allowlisted, attackers can use env -S to bypass policy analysis and execute shell…

  • CVE-2019-12521MedApr 15, 2020
    risk 0.39cvss 5.9epss 0.06

    An issue was discovered in Squid through 4.7. When Squid is parsing ESI, it keeps the ESI elements in ESIContext. ESIContext contains a buffer for holding a stack of ESIElements. When a new ESIElement is parsed, it is added via addStackElement. addStackElement has a check for…

  • CVE-2026-34085MedMar 25, 2026
    risk 0.38cvss 5.9epss 0.00

    fontconfig before 2.17.1 has an off-by-one error in allocation during sfnt capability handling, leading to a one-byte out-of-bounds write, and potentially a crash or code execution. This is in FcFontCapabilities in fcfreetype.c.

  • CVE-2022-41916MedNov 15, 2022
    risk 0.38cvss 5.9epss 0.01

    Heimdal is an implementation of ASN.1/DER, PKIX, and Kerberos. Versions prior to 7.7.1 are vulnerable to a denial of service vulnerability in Heimdal's PKI certificate validation library, affecting the KDC (via PKINIT) and kinit (via PKINIT), as well as any third-party…

  • CVE-2026-33997MedMar 31, 2026
    risk 0.37cvss 6.8epss 0.00

    Moby is an open source container framework. Prior to version 29.3.1, a security vulnerability has been detected that allows plugins privilege validation to be bypassed during docker plugin install. Due to an error in the daemon's privilege comparison logic, the daemon may…

  • CVE-2025-43973MedApr 21, 2025
    risk 0.37cvss 6.8epss 0.01

    An issue was discovered in GoBGP before 3.35.0. pkg/packet/rtr/rtr.go does not verify that the input length corresponds to a situation in which all bytes are available for an RTR message.