UBUNTU-CVE-2026-39853

osslsigncode is a tool that implements Authenticode signing and timestamping. Prior to 2.12, A stack buffer overflow vulnerability exists in osslsigncode in several signature verification paths. During verification of a PKCS7 signature, the code copies the digest value from a parsed...

CVE-2026-39856 osslsigncode has an Out-of-Bounds Read via Unvalidated Section Bounds in PE Page Hash Calculation

osslsigncode is a tool that implements Authenticode signing and timestamping. Prior to 2.13, an out-of-bounds read vulnerability exists in osslsigncode version 2.12 and earlier in the PE page-hash computation code pepagehashcalc. When processing PE sections for page hashing, the function uses...

EUVD-2026-20946

osslsigncode is a tool that implements Authenticode signing and timestamping. Prior to 2.13, an out-of-bounds read vulnerability exists in osslsigncode version 2.12 and earlier in the PE page-hash computation code pepagehashcalc. When processing PE sections for page hashing, the function uses...

CVE-2026-39856 osslsigncode has an Out-of-Bounds Read via Unvalidated Section Bounds in PE Page Hash Calculation

osslsigncode is a tool that implements Authenticode signing and timestamping. Prior to 2.13, an out-of-bounds read vulnerability exists in osslsigncode version 2.12 and earlier in the PE page-hash computation code pepagehashcalc. When processing PE sections for page hashing, the function uses...

CVE-2026-39856 osslsigncode has an Out-of-Bounds Read via Unvalidated Section Bounds in PE Page Hash Calculation

osslsigncode is a tool that implements Authenticode signing and timestamping. Prior to 2.13, an out-of-bounds read vulnerability exists in osslsigncode version 2.12 and earlier in the PE page-hash computation code pepagehashcalc. When processing PE sections for page hashing, the function uses...

CVE-2026-39856

osslsigncode is a tool that implements Authenticode signing and timestamping. Prior to 2.13, an out-of-bounds read vulnerability exists in osslsigncode version 2.12 and earlier in the PE page-hash computation code pepagehashcalc. When processing PE sections for page hashing, the function uses...

CVE-2026-39855

osslsigncode prior to 2.13 contains an integer underflow in the PE page-hash calculation (pe_page_hash_calc). If SizeOfHeaders (hdrsize) > SectionAlignment (pagesize), hdrsize is subtracted from pagesize without validation, producing a large unsigned length. The code allocates a zero-filled bu...

EUVD-2026-20944

osslsigncode is a tool that implements Authenticode signing and timestamping. Prior to 2.13, an integer underflow vulnerability exists in osslsigncode version 2.12 and earlier in the PE page-hash computation code pepagehashcalc. When page hash processing is performed on a PE file, the function...

CVE-2026-39855 osslsigncode has an Integer Underflow in PE Page Hash Calculation Can Cause Out-of-Bounds Read

osslsigncode is a tool that implements Authenticode signing and timestamping. Prior to 2.13, an integer underflow vulnerability exists in osslsigncode version 2.12 and earlier in the PE page-hash computation code pepagehashcalc. When page hash processing is performed on a PE file, the function...

CVE-2026-39853

osslsigncode is a tool that implements Authenticode signing and timestamping. Prior to 2.12, A stack buffer overflow vulnerability exists in osslsigncode in several signature verification paths. During verification of a PKCS7 signature, the code copies the digest value from a parsed...

CVE-2026-39853

osslsigncode contains a stack buffer overflow in its signature verification paths (PE, MSI, CAB, script) when verifying PKCS#7 signatures. During digest copy from SpcIndirectDataContent into a fixed-size stack buffer (mdbuf[EVP_MAX_MD_SIZE], 64 bytes), the code does not validate the source length...

Linux Distros Unpatched Vulnerability : CVE-2026-39856

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - osslsigncode is a tool that implements Authenticode signing and timestamping. Prior to 2.13, an out-of- bounds read vulnerability exists in osslsigncode version...

osslsigncode 缓冲区错误漏洞

Osslsigncode is a small tool developed by Michał Trojnara as an individual developer. It implements some functions of the Microsoft tool signtool.exe. Versions of Osslsigncode prior to 2.13 contained a buffer error vulnerability. This vulnerability stemmed from the PE page hash calculation code; ...

PT-2026-31643

osslsigncode is a tool that implements Authenticode signing and timestamping. Prior to 2.12, A stack buffer overflow vulnerability exists in osslsigncode in several signature verification paths. During verification of a PKCS7 signature, the code copies the digest value from a parsed...

Linux Distros Unpatched Vulnerability : CVE-2026-39855

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - osslsigncode is a tool that implements Authenticode signing and timestamping. Prior to 2.13, an integer underflow vulnerability exists in osslsigncode version...

binutils: out-of-bounds read in d_unqualified_name() in cp-demangle.c

A flaw was found in binutils. Processing a specially crafted PE file with cxxfilt can trigger an out-of-bounds read in the dunqualifiedname function in the cp-demangle.c file, causing a crash and resulting in a denial of service...

binutils: NULL pointer dereference in d_print_comp_inner() in cp-demangle.c

A flaw was found in binutils. Processing a specially crafted PE file with cxxfilt can trigger a NULL pointer dereference in the dprintcompinner function in the cp-demangle.c file, causing a crash and resulting in a denial of service...

Security update for osslsigncode (critical)

openSUSE Security Update: Security update for osslsigncode Announcement ID: openSUSE-SU-2026:0115-1 Rating: critical References: 1260680 Cross-References: CVE-2025-70888 Affected Products: openSUSE Backports SLE-15-SP6 An update that fixes one vulnerability is now available. Description: This...

HTTP Fetch, Reverse All-Port TCP Stager

Fetch and execute an x86 payload from an HTTP server. Try to connect back to the attacker, on all possible ports 1-65535, slowly Module Options msf use payload/cmd/windows/http/x86/peinject/reversetcpallports msf payloadreversetcpallports show actions ...actions... msf payloadreversetcpallports s...

radare2:ia_fuzz: Heap-buffer-overflow in dotnet_parse_version_info

Project: https://github.com/radare/radare2.git https://github.com/radareorg/radare2.git Detailed Report: https://oss-fuzz.com/testcase?key=6551356612870144 Project: radare2 Fuzzing Engine: afl Fuzz Target: iafuzz Job Type: aflasanradare2 Platform Id: linux Crash Type: Heap-buffer-overflow READ 8...