wasmtime:wast_tests: Stack-buffer-overflow in <wasmtime::runtime::store::StoreOpaque>::allocate_continuation

Project: https://github.com/bytecodealliance/wasmtime.git Detailed Report: https://oss-fuzz.com/testcase?key=6455086528921600 Project: wasmtime Fuzzing Engine: libFuzzer Fuzz Target: wasttests Job Type: libfuzzerasanwasmtime Platform Id: linux Crash Type: Stack-buffer-overflow WRITE Crash Address...

tcpreplay:fuzz_fragroute: Heap-buffer-overflow in ip_add_option

Project: https://github.com/appneta/tcpreplay.git Detailed Report: https://oss-fuzz.com/testcase?key=5090327015522304 Project: tcpreplay Fuzzing Engine: libFuzzer Fuzz Target: fuzzfragroute Job Type: libfuzzerasantcpreplay Platform Id: linux Crash Type: Heap-buffer-overflow WRITE 2 Crash Address:...

CVE-2026-71254

NanoMODBUS v1.23.0 is affected by CVE-2026-71254 in the server-side handle_read_file_record() (FC 0x14). The code validates per-sub-request sizes but does not validate the cumulative response size across all sub-requests. Accumulator response_data_size is a uint8_t and may overflow (e.g., 35 sub-...

SUSE-SU-2026:3485-1 Security update for spice-vdagent

This update for spice-vdagent fixes the following issues: - CVE-2026-57965: integer overflow in udscswrite can lead to heap buffer overflow bsc1269553. - CVE-2026-57966: improper sanitization allows a compromised SPICE host to write arbitrary files to any location on the guest operating system...

PT-2026-76041

ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below 7.1.2-19, the JXL encoder has an heap write overflow when a user specifies that the image should be encoded as 16 bit floats. This issue has been fixed in version 7.1.2-19...

TSIG packet with name compression can crash DNS

== Summary: Incorrect size calculations when a TSIG record contains compressed names can lead to a large out-of-bounds write causing the server to crash. Description To calculate the size of a DNS packet region signed by a TSIG record, Samba's internal DNS server subtracted the presumed size of t...

Amazon Linux 2 : amazon-ssm-agent, --advisory ALAS2-2026-3809 (ALAS-2026-3809)

The version of amazon-ssm-agent installed on the remote host is prior to 3.3.4624.0-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2026-3809 advisory. An authenticated SSH client that repeatedly opened channels which were rejected by the server caused unbound...

Amazon Linux 2023 : amazon-ssm-agent (ALAS2023-2026-1952)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1952 advisory. An authenticated SSH client that repeatedly opened channels which were rejected by the server caused unbounded memory growth, eventually crashing the server process and affecting all connected...

JLSEC-2026-731 In `TLSX_EchChangeSNI`, the ctx->extensions branch set extensions unconditionally even when...

In TLSXEchChangeSNI, the ctx-extensions branch set extensions unconditionally even when TLSXFind returned NULL. This caused TLSXUseSNI to attach the attacker-controlled publicName to the shared WOLFSSLCTX when no inner SNI was configured. TLSXEchRestoreSNI then failed to clean it up because its...

PYSEC-2026-3393 UEFI Firmware Parser has a stack out-of-bounds write in tiano decompressor MakeTable

uefi-firmware contains a stack out-of-bounds write vulnerability in the native tiano/EFI decompressor. in uefifirmware/compression/Tiano/Decompress.c, MakeTable does not validate that bit-length values read from the compressed bitstream are within the expected range 0..16. a crafted firmware blob...

PT-2026-54451

Name of the Vulnerable Software and Affected Versions WinRAR versions prior to 7.23 UnRAR versions prior to 7.23 Description An out-of-bounds heap write exists in the RAR5 recovery-volume .rev parser within the RecVolumes5::ReadHeader function in recvol5.cpp. The issue occurs because the RecItems...

SUSE CVE-2026-12246

NSD version 4.14.0 introduced a bug where a specially crafted APL RR, with an adflength larger than permitted for the address family will overwrite the stack when the zone is written to disk, with a maximum of 111 attacker controlled bytes...

CVE-2026-48706: Buffer Copy without Checking Size of Input

Envoy is an open source edge and service proxy designed for cloud-native applications. From 1.34.0 until 1.35.13, 1.36.9, 1.37.5, and 1.38.3, a vulnerability exists in Envoy's TCP StatsD sink TcpStatsdSink, where the thread-local flusher buffer can be overflowed by exceptionally long statistic...

CVE-2026-46521

A flaw was found in ImageMagick. When processing an image with LZMA compression in the MIFF encoder, a missing check can lead to an out-of-bounds write. This vulnerability could allow an attacker to cause a denial of service DoS by providing a specially crafted image file, leading to application...

wolfssl:cryptofuzz-sp-math-all-8bit: Heap-buffer-overflow in sp_invmod

Project: https://github.com/wolfssl/wolfssl.git Detailed Report: https://oss-fuzz.com/testcase?key=5869845400059904 Project: wolfssl Fuzzing Engine: libFuzzer Fuzz Target: cryptofuzz-sp-math-all-8bit Job Type: libfuzzerasani386wolfssl Platform Id: linux Crash Type: Heap-buffer-overflow WRITE 1...

libhevc:hevc_dec_fuzzer: Heap-buffer-overflow in ihevcd_fmt_conv

Project: https://android.googlesource.com/platform/external/libhevc https://github.com/ittiam-systems/libhevc.git Detailed Report: https://oss-fuzz.com/testcase?key=5805536603078656 Project: libhevc Fuzzing Engine: libFuzzer Fuzz Target: hevcdecfuzzer Job Type: libfuzzerasani386libhevc Platform I...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: i2c: rtl9300 – ensure that the data length is within the supported range. A explicit check for the transfer length should be added to ‘rtl9300i2cconfigxfer’ to ensure that the data length is not within the supported range. In...

Linux Distros Unpatched Vulnerability : CVE-2026-44637

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - libsixel is a SIXEL encoder/decoder implementation derived from kmiya's sixel. From to 1.8.7-r1, a signed integer overflow in the SIXEL parser's image-buffer...

mruby:mruby_fuzzer: Heap-buffer-overflow in mrb_ary_splice

Project: https://github.com/mruby/mruby.git Detailed Report: https://oss-fuzz.com/testcase?key=6525563811725312 Project: mruby Fuzzing Engine: afl Fuzz Target: mrubyfuzzer Job Type: aflasanmruby Platform Id: linux Crash Type: Heap-buffer-overflow WRITE 8 Crash Address: 0x7b583fde0520 Crash State:...

EUVD-2026-29172

jq is a command-line JSON processor. In 1.8.1 and earlier, when decNumberFromString is given a number literal of INTMAX-1 2147483646 digits, the D2U macro overflows during signed-int arithmetic. The wrapped negative value bypasses the heap-allocation size check, causes the function to use a 30-by...