CVE-2026-18497

A heap-buffer-overflow vulnerability exists in the nothings stb TrueType library, up to version 1.26, that is used for parsing TrueType font files. The vulnerability exists in the stbttGetGlyphShapeTT function within the nothings stbtruetype.h library when parsing malformed TTF TrueType Font file...

CVE-2026-18497 The nothings stb TrueType library contains a heap buffer overflow vulnerability

A heap-buffer-overflow vulnerability exists in the nothings stb TrueType library, up to version 1.26, that is used for parsing TrueType font files. The vulnerability exists in the stbttGetGlyphShapeTT function within the nothings stbtruetype.h library when parsing malformed TTF TrueType Font file...

Exploit for Off-by-one Error in Sudo_Project Sudo

CVE-20...

CVE-2026-19156

Heap buffer overflow in Base in Google Chrome prior to 151.0.7922.109 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted Chrome Extension. Chromium security severity: High...

CVE-2026-19138

Heap buffer overflow in CrashReporting in Google Chrome prior to 151.0.7922.109 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. Chromium security severity: High...

libaom: libaom: heap-buffer-overflow read via missing bounds check in ctrl_set_layer_id

A heap-buffer-overflow read vulnerability was found in libaom, the reference AV1 codec implementation. A missing bounds check in the SVC Scalable Video Coding layer ID control function allows setting a spatiallayerid exceeding the configured number of layers. This causes an out-of-bounds heap rea...

CVE-2026-34502

Heap-based Buffer Overflow vulnerability in Apache Portable Runtime Utility memcached client This issue affects Apache Portable Runtime Utility: from 1.3.0 through 1.6.3...

libXfont2: PCF Font Parsing Heap Buffer Overflow

A flaw was found in libXfont2. A specially crafted PCF Portable Compiled Format font file, when processed by libXfont2, can lead to a buffer overflow. This occurs because the font parsing process does not properly validate the size of a bitmap buffer against the glyph metrics provided in the...

libXfont2: computeProps Property Buffer Heap Buffer Overflow

A heap buffer overflow due to missing size checking in the property buffer when parsing PCF files in libXfont2 ComputeScaledProperties before libXfont2 before 2.0.8 could be used by attackers using authenticated X clients to execute code within the X server...

CVE-2026-67873

A heap-based buffer overflow exists in lib60870-C 2.4.0 in the server-side FileSegment ASDU encoding path. The issue occurs because FileSegmentencode validates only the standalone segment length via FileSegmentGetMaxDataSize and does not verify the residual capacity of the current ASDU frame befo...

CVE-2026-44605

A flaw was found in the RPM Package Manager RPM. A local user could be affected by a heap buffer overflow vulnerability when processing a specially crafted NDB database file. This issue arises from an error in how RPM handles certain calculations during file parsing, leading to an incorrect memor...

Important: Red Hat Security Advisory: xorg-x11-server security update

An update for xorg-x11-server is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability...

EUVD-2026-52573

A heap-buffer-overflow vulnerability exists in the APNG Animated PNG file loader of GIMP. This flaw occurs when the fcTL width exceeds the IHDR width, leading to pixel data being written past the end of a heap allocation. Additionally, a heap-based buffer overflow exists in the DDS plug-in due to...

Important: Red Hat Security Advisory: libtiff security, bug fix, and enhancement update

An update for libtiff is now available for Red Hat Enterprise Linux 10.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available fo...

xorg: X11: xserver: X.org: glamor Font Atlas Heap Buffer Overflow

A flaw was found in the glamorfontget function of the xorg-x11-server. This vulnerability, a heap buffer overflow, occurs when the server processes a specially crafted PCF font file where individual glyph metrics exceed the declared maximum bounds. An authenticated X client can exploit this by...

CVE-2026-20466

CVE-2026-20466 : A heap buffer overflow in the secure boot flow may allow local privilege escalation with physical access and no user interaction. Affected platforms include MT2737 (AUTO00845351) and MT6880/MT6890/MT6990 (ALPS11072643); Issue MSV-6929. Patch guidance is provided in the MT securit...

RockyLinux 8 : compat-libtiff3 (RLSA-2026:47183)

The remote RockyLinux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:47183 advisory. libtiff: libtiff: Heap-based buffer overflow via crafted PixarLog-compressed TIFF image CVE-2026-12912 Tenable has extracted the preceding description block...

CVE-2026-67305

FreeRDP Windows client before 3.29.0 contains a heap buffer overflow vulnerability in the clipboard virtual channel when processing CLIPRDRFILECONTENTSRESPONSE PDUs without validating the server-provided size against the destination buffer. A malicious RDP server can send a response with a data...

libsolv: Heap buffer overflow in libsolv repopagestore via unchecked decompression of malicious .solv page data

A flaw was found in libsolv. This heap buffer overflow occurs during the decompression of attacker-controlled compressed data within .solv files due to insufficient input validation. An attacker can provide a specially crafted .solv file, which, when processed by a vulnerable application, can lea...

SUSE CVE-2026-17680

Heap buffer overflow in Color in Google Chrome on ChromeOS prior to 151.0.7922.72 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. Chromium security severity: High...