Citrix-Bleed-Buffer-Overread-Demo

Citrix-Bleed-Buffer-Overread-Demo This code functionally approximates the Citrix Bleed vulnerability CVE-2023-4699 of the improper handling of the return value of snprintf in C...

CVE-2026-92497

A flaw was found in the ath12k Wi-Fi driver within the Linux kernel. This vulnerability occurs because the firmware buffer is read without first verifying that it contains enough data to hold a header. An attacker could potentially exploit this to cause a buffer overread, which may lead to...

CVE-2026-92498

A flaw was found in the Linux kernel's ath6kl Wi-Fi driver. Insufficient length checks in several Wireless Management Interface WMI event handlers, specifically ath6klwmiscancompleterx, ath6klwmiaddbareqeventrx, and ath6klwmidelbareqeventrx, allow the system to read beyond the allocated buffer...

CVE-2026-92496

A flaw was found in the ath11k Wi-Fi driver in the Linux kernel. This vulnerability allows a buffer overread to occur in the ath11kwmitlvoprx function. The driver reads the firmware buffer without adequately verifying its size, which could lead to reading data beyond the allocated memory. This...

overread

overread Simulates CVE-2023-4966 Citrix Bleed overread bug This is my final project for Harvard CS50 Cybersecurity 2023. It's about a bug. A small bug – with huge, ongoing consequences. In this presentation, I’ll be sharing the “bleeding insights” from one developer’s tiny mistake. A mistake that...

cve-images

cve-images — intentionally vulnerable lab images A collection of deliberately vulnerable Docker images for security study in an isolated lab. Started as nginx CVE reproductions and is growing into a broader set of vulnerable-by-design images e.g. DVWA. ⚠️ Safety These images are vulnerable on...

Astra Linux – Vulnerability in glibc

The iconv feature in the GNU C Library also known as glibc or libc6, up to version 2.32, may have a buffer over-read issue when processing invalid multi-byte input sequences in the EUC-KR encoding...

Astra Linux – Vulnerability in Redis

Redis is an open-source, in-memory database that persists data on disk. When using the Redis Lua Debugger, users can send malformed requests, causing the debugger’s protocol parser to read data beyond the actual buffer. This issue affects all versions of Redis with Lua debugging support 3.2 or...

Astra Linux – Vulnerability in pillow

In Pillow before 8.1.0, PcxDecode has a buffer over-reading issue when decoding a crafted PCX file, because the user-supplied stride value is trusted for buffer calculations...

Astra Linux – Vulnerability in PHP 7.3, PHP 8.1

In PHP versions 8.1. before 8.1.31, and 8.2. before 8.2.26, as well as 8.3. before 8.3.14, a bug in the convert.quoted-printable-decode filter can cause certain data to be read as one byte too much. This can, under certain circumstances, lead to crashes or reveal content from other memory areas...

Astra Linux – Vulnerability in aspell

The libaspell.a file in GNU Aspell before version 0.60.8 has a buffer overflow issue for strings that end with a single '\0' byte. This issue occurs when the encoding is set to ucs-2 or ucs-4 outside of the application, as indicated by the ASPELLCONF environment variable...

CVE-2024-5535

CVE-2024-5535 PoC - OpenSSL NPN Buffer Overread Note: We did not discover this, we only made a PoC for this based on the publication. https://nvd.nist.gov/vuln/detail/cve-2024-5535...

Security update for libtcnative-2-0

This update for libtcnative-2-0 fixes the following issues: CVE-2026-86243: buffer overread during the TLS handshake permits a malicious user to trigger a DoS via a JVM crash bsc1282623. CVE-2026-86246: insecure ALLOWCLIENTRENEGOTIATION, NOEXTENDEDMASTERSECRET, IGNOREUNEXPECTEDEOF and ALLOWNODHEK...

SUSE-SU-2026:4546-1 Security update for libtcnative-1-0, tomcat, tomcat10

This update for libtcnative-1-0, tomcat, tomcat10 fixes the following issues: Security issues fixed: libtcnative-1-0: - CVE-2026-86243: buffer overread during the TLS handshake permits a malicious user to trigger a DoS via a JVM crash bsc1282623. - CVE-2026-86246: insecure ALLOWCLIENTRENEGOTIATIO...

Security update for libtcnative-1-0, tomcat11

This update for libtcnative-1-0, tomcat11 fixes the following issues: Security issues fixed: libtcnative-1-0: CVE-2026-86243: buffer overread during the TLS handshake permits a malicious user to trigger a DoS via a JVM crash bsc1282623. CVE-2026-86246: insecure ALLOWCLIENTRENEGOTIATION,...

Astra Linux – Vulnerability in bind9

In BIND 9.5.0 - 9.11.29, 9.12.0 - 9.16.13, and versions BIND 9.11.3-S1 - 9.11.29-S1 and 9.16.8-S1 - 9.16.13-S1 of the Supported Preview Edition, as well as release versions 9.17.0 - 9.17.1 of the BIND 9.17 development branch, BIND servers are vulnerable if they are running an affected version and...

Astra Linux – Vulnerability in qtbase-opensource-src

A issue was discovered in Qt 5.x before 5.15.14, 6.x before 6.2.9, and 6.3.x through 6.5.x before 6.5.1. QDnsLookup has a buffer over-read issue due to a crafted reply from a DNS server...

Astra Linux – Vulnerability in Squid

Squid is a caching proxy for the web that supports HTTP, HTTPS, FTP, and other protocols. Due to a Buffer Overread bug, Squid is vulnerable to a Denial of Service attack targeting the Squid HTTP message processing mechanism. This bug has been fixed in Squid version 6.5. Users are advised to...

Astra Linux – Vulnerability found in libsdl1.2, libsdl2, and sdl-image1.2

In SDL Simple DirectMediaLayer, versions from 1.2.15 up to 2.x, and then from 2.0.9 onwards, there is a heap-based buffer over-read issue in the BlitNtoN function within the video/SDLblitN.c file, when it is called from the SDLSoftBlit function in the video/SDLblit.c file...

Astra Linux – Vulnerability in Qt4-X11

A issue was discovered in Qt between versions 5.12.9, 5.13.x, and 5.15.x up to 5.15.1. The readxbmbody function in gui/image/qxbmhandler.cpp has a buffer over-read issue...