CVE-2026-5720

A flaw was found in miniupnpd. Remote attackers can exploit an integer underflow vulnerability during the parsing of the SOAPAction header by sending a specially crafted malformed header that includes a single quote. This improper length validation can lead to an out-of-bounds memory read,...

Integer Underflow (Wrap or Wraparound)

Overview Affected versions of this package are vulnerable to Integer Underflow Wrap or Wraparound in the ParseHttpHeaders process. An attacker can cause the application to read memory outside the bounds of the allocated HTTP request buffer by sending a specially crafted SOAPAction header containi...

CVE-2026-5720

miniupnpd contains an integer underflow vulnerability in SOAPAction header parsing that allows remote attackers to cause a denial of service or information disclosure by sending a malformed SOAPAction header with a single quote. Attackers can trigger an out-of-bounds memory read by exploiting...

DEBIAN-CVE-2026-5720

miniupnpd contains an integer underflow vulnerability in SOAPAction header parsing that allows remote attackers to cause a denial of service or information disclosure by sending a malformed SOAPAction header with a single quote. Attackers can trigger an out-of-bounds memory read by exploiting...

CVE-2026-5720

miniupnpd contains an integer underflow vulnerability in SOAPAction header parsing that allows remote attackers to cause a denial of service or information disclosure by sending a malformed SOAPAction header with a single quote. Attackers can trigger an out-of-bounds memory read by exploiting...

UBUNTU-CVE-2026-5720

miniupnpd contains an integer underflow vulnerability in SOAPAction header parsing that allows remote attackers to cause a denial of service or information disclosure by sending a malformed SOAPAction header with a single quote. Attackers can trigger an out-of-bounds memory read by exploiting...

CVE-2026-5720

The CVE-2026-5720 issue affects the MiniUPnP daemon (miniupnpd). The vulnerability is an integer underflow in SOAPAction header parsing within ParseHttpHeaders(), where improper length validation can cause an underflow to a large unsigned value and an out-of-bounds memchr() read. This can lead to...

CVE-2026-5720 miniupnpd Integer Underflow SOAPAction Header Parsing

miniupnpd contains an integer underflow vulnerability in SOAPAction header parsing that allows remote attackers to cause a denial of service or information disclosure by sending a malformed SOAPAction header with a single quote. Attackers can trigger an out-of-bounds memory read by exploiting...

CVE-2026-5720 miniupnpd Integer Underflow SOAPAction Header Parsing

miniupnpd contains an integer underflow vulnerability in SOAPAction header parsing that allows remote attackers to cause a denial of service or information disclosure by sending a malformed SOAPAction header with a single quote. Attackers can trigger an out-of-bounds memory read by exploiting...

CVE-2026-5720

miniupnpd contains an integer underflow vulnerability in SOAPAction header parsing that allows remote attackers to cause a denial of service or information disclosure by sending a malformed SOAPAction header with a single quote. Attackers can trigger an out-of-bounds memory read by exploiting...

cups: CUPS: Denial of Service via integer underflow in IPP attribute handling

A flaw was found in CUPS, an open-source printing system. An unprivileged local user can exploit an integer underflow vulnerability by providing a negative job-password-supported Internet Printing Protocol IPP attribute. This manipulation causes the cupsd root process to crash, which can be...

JLSEC-2026-152 In libexif through 0.6.25, an integer underflow in size checking for Fuji and Olympus MakerNote...

In libexif through 0.6.25, an integer underflow in size checking for Fuji and Olympus MakerNote decoding could be used by attackers to crash or leak information out of libexif-using programs...

JLSEC-2026-150

libexif through 0.6.25 has a flaw in decoding MakerNotes. If the exifmnotedatagetvalue function gets passed in a 0 size, the passed in-buffer would be overwritten due to an integer underflow...

MiniUPnP 安全漏洞

MiniUPnP is a set of UPnP tools developed by the Miniupnp project, which can be used in embedded systems. These tools enable devices in home and corporate networks to connect with each other. MiniUPnP has a security vulnerability, stemming from integer underflow in the parsing of SOAPAction...

PT-2026-33521

Name of the Vulnerable Software and Affected Versions miniupnpd affected versions not specified Description An integer underflow exists in the parsing of the 'SOAPAction' header. Remote attackers can cause a denial of service or information disclosure by sending a malformed 'SOAPAction' header...

Unity Linux 20.1050e / 20.1060e Security Update: kernel (UTSA-2026-007393)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007393 advisory. In the Linux kernel, the following vulnerability has been resolved: crypto: qat - add param check for DH Reject requests with a source buffer that is bigger than the...

CVE-2026-40253

openCryptoki (PKCS#11 library) is affected in versions 3.26.0 and earlier due to BER/DER decoding in the shared asn1.c lacking a buffer length parameter and trusting BER lengths, enabling out-of-bounds reads when malformed BER objects are provided via C_CreateObject, C_UnwrapKey, token loading, o...

MsQuic has a Remote Elevation of Privilege Vulnerability

Summary Improper input validation in Microsoft QUIC allows an unauthorized attacker to elevate privileges over a network. Details Improper Input Validation Integer Underflow Wrap or Wraparound when decoding ACK frame. Patches - Fix underflow in ACK frame parsing - 1e6e999b Impact An attacker who...

Integer Underflow (Wrap or Wraparound)

Overview Affected versions of this package are vulnerable to Integer Underflow Wrap or Wraparound in the ACK frame decoding. An attacker can gain elevated privileges by sending specially crafted network packets that trigger an integer underflow during frame parsing. Remediation Upgrade...

Integer Underflow (Wrap or Wraparound)

Overview Affected versions of this package are vulnerable to Integer Underflow Wrap or Wraparound in the ACK frame decoding. An attacker can gain elevated privileges by sending specially crafted network packets that trigger an integer underflow during frame parsing. Remediation Upgrade...