UBUNTU-CVE-2026-32738

libheif is a HEIF and AVIF file format decoder and encoder. In versions 1.21.2 and below, a crafted 792-byte HEIF sequence file with samplesperchunk=0 in the stsc box causes an unsigned integer underflow in the Chunk constructor mlastsample = 0 + 0 - 1 = UINT32MAX, mapping all samples to an empty...

EUVD-2026-30972

libheif is a HEIF and AVIF file format decoder and encoder. In versions 1.21.2 and below, a crafted 792-byte HEIF sequence file with samplesperchunk=0 in the stsc box causes an unsigned integer underflow in the Chunk constructor mlastsample = 0 + 0 - 1 = UINT32MAX, mapping all samples to an empty...

CVE-2026-32738

libheif is a HEIF and AVIF file format decoder and encoder. In versions 1.21.2 and below, a crafted 792-byte HEIF sequence file with samplesperchunk=0 in the stsc box causes an unsigned integer underflow in the Chunk constructor mlastsample = 0 + 0 - 1 = UINT32MAX, mapping all samples to an empty...

CVE-2026-32738

libheif is a HEIF and AVIF file format decoder and encoder. In versions 1.21.2 and below, a crafted 792-byte HEIF sequence file with samplesperchunk=0 in the stsc box causes an unsigned integer underflow in the Chunk constructor mlastsample = 0 + 0 - 1 = UINT32MAX, mapping all samples to an empty...

libheif 缓冲区错误漏洞

LibHEIF is a open-source decoder and encoder for the ISO/IEC 23008-12:2017 HEIF file format developed by Struktur. Versions of LibHEIF prior to 1.21.2 contain a buffer error vulnerability. This vulnerability arises from setting samplesperchunk=0 in the stsc box, causing an unsigned integer...

BIT-MODSECURITY2-2026-42268 ModSecurity: Unsigned integer underflow in @verifySSN / @verifyCPF / @verifySVNR operators

ModSecurity is an open source, cross platform web application firewall WAF engine for Apache, IIS and Nginx. From 3.0.0 to before 3.0.15, there is an unhandled exception std::outofrange caused by unsigned integer underflow in libmodsecurity3 if the user administrator uses a rule any of @verifySSN...

BIT-MODSECURITY-2026-42268 ModSecurity: Unsigned integer underflow in @verifySSN / @verifyCPF / @verifySVNR operators

ModSecurity is an open source, cross platform web application firewall WAF engine for Apache, IIS and Nginx. From 3.0.0 to before 3.0.15, there is an unhandled exception std::outofrange caused by unsigned integer underflow in libmodsecurity3 if the user administrator uses a rule any of @verifySSN...

CVE-2026-42268

ModSecurity is an open source, cross platform web application firewall WAF engine for Apache, IIS and Nginx. From 3.0.0 to before 3.0.15, there is an unhandled exception std::outofrange caused by unsigned integer underflow in libmodsecurity3 if the user administrator uses a rule any of @verifySSN...

CVE-2026-42268

ModSecurity is an open source, cross platform web application firewall WAF engine for Apache, IIS and Nginx. From 3.0.0 to before 3.0.15, there is an unhandled exception std::outofrange caused by unsigned integer underflow in libmodsecurity3 if the user administrator uses a rule any of @verifySSN...

CVE-2026-42268 ModSecurity: Unsigned integer underflow in @verifySSN / @verifyCPF / @verifySVNR operators

ModSecurity is an open source, cross platform web application firewall WAF engine for Apache, IIS and Nginx. From 3.0.0 to before 3.0.15, there is an unhandled exception std::outofrange caused by unsigned integer underflow in libmodsecurity3 if the user administrator uses a rule any of @verifySSN...

CVE-2026-42268

ModSecurity is an open source, cross platform web application firewall WAF engine for Apache, IIS and Nginx. From 3.0.0 to before 3.0.15, there is an unhandled exception std::outofrange caused by unsigned integer underflow in libmodsecurity3 if the user administrator uses a rule any of @verifySSN...

CVE-2026-42268

ModSecurity is an open source, cross platform web application firewall WAF engine for Apache, IIS and Nginx. From 3.0.0 to before 3.0.15, there is an unhandled exception std::outofrange caused by unsigned integer underflow in libmodsecurity3 if the user administrator uses a rule any of @verifySSN...

EUVD-2026-29854

ModSecurity is an open source, cross platform web application firewall WAF engine for Apache, IIS and Nginx. From 3.0.0 to before 3.0.15, there is an unhandled exception std::outofrange caused by unsigned integer underflow in libmodsecurity3 if the user administrator uses a rule any of @verifySSN...

CVE-2026-42268

ModSecurity (libmodsecurity3) versions 3.0.0–3.0.14 expose an unhandled std::out_of_range exception caused by an unsigned integer underflow when using the operators @verifySSN, @verifyCPF, or @verifySVNR. The vulnerability affects the WAF engine for Apache, IIS, and Nginx and is fixed in 3.0.15. ...

CVE-2026-42268 ModSecurity: Unsigned integer underflow in @verifySSN / @verifyCPF / @verifySVNR operators

ModSecurity is an open source, cross platform web application firewall WAF engine for Apache, IIS and Nginx. From 3.0.0 to before 3.0.15, there is an unhandled exception std::outofrange caused by unsigned integer underflow in libmodsecurity3 if the user administrator uses a rule any of @verifySSN...

Modsecurity 数字错误漏洞

Modsecurity is an open-source web traffic security processing library developed by OWASP ModSecurity. Versions of Modsecurity from 3.0.0 to 3.0.15 contained a numerical error vulnerability. This vulnerability stemmed from an unsigned integer underflow, which led to unhandled exceptions and could...

Wazuh 安全漏洞

Wazuh is an open-source application developed by Wazuh. It is used for collecting, summarizing, indexing, and analyzing security data, helping organizations detect intrusions, threats, and abnormal behaviors. Versions of Wazuh from 4.0.0 to 4.14.4 contained security vulnerabilities. These...

CVE-2026-23069 vsock/virtio: fix potential underflow in virtio_transport_get_credit()

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: fix potential underflow in virtiotransportgetcredit The credit calculation in virtiotransportgetcredit uses unsigned arithmetic: ret = vvs-peerbufalloc - vvs-txcnt - vvs-peerfwdcnt; If the peer shrinks its advertise...

SUSE CVE-2025-67269

An integer underflow vulnerability exists in the nextstate function in gpsd/packet.c of gpsd versions prior to commit ffa1d6f40bca0b035fc7f5e563160ebb67199da7. When parsing a NAVCOM packet, the payload length is calculated using lexer-length = sizetc - 4 without checking if the input byte c is le...

CVE-2025-67269

An integer underflow vulnerability exists in the nextstate function in gpsd/packet.c of gpsd versions prior to commit ffa1d6f40bca0b035fc7f5e563160ebb67199da7. When parsing a NAVCOM packet, the payload length is calculated using lexer-length = sizetc - 4 without checking if the input byte c is le...