Important: Red Hat Security Advisory: libXfont2 security update

An update for libXfont2 is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common...

libxfonts2: libXfont2: Privilege Escalation via Heap Buffer Overflow in Font Server Client

A flaw was found in the libXfont2 font-server client. This heap buffer overflow vulnerability allows a malicious font server to send specially crafted glyph data. The fsreadglyphs function fails to properly validate the total size of the incoming data, leading to an overwrite of memory beyond the...

libssh2: integer overflow via large username or password arguments

A flaw was found in the libssh2 library. A remote attacker can exploit an integer overflow vulnerability in the userauthpassword function by manipulating the usernamelen or passwordlen arguments and cause a heap-based buffer overflow. This leads to a crash to the application linked to the library...

libssh2: libssh2: Heap buffer overflow via integer overflow in publickey attribute allocation

A flaw in libssh2 allows a malicious SSH server to trigger a memory overflow by sending a manipulated attribute count. This can cause the connecting client to crash or allow unauthorized code execution...

Important: Red Hat Security Advisory: libssh2 security update

An update for libssh2 is now available for Red Hat Enterprise Linux 7 Extended Lifecycle 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...

Updated postgresql18 & postgresql15 packages fix security vulnerabilities

psql COPY FROM STDIN early failure processes data lines as psql commands. CVE-2026-6464 ALTER TABLE ALTER TYPE resets extended statistics ownership. CVE-2026-6469 Fails to check type USAGE privilege. CVE-2026-6470 Logical decoding can dlopen arbitrary file. CVE-2026-6471 tsvector and tsquery...

sqlite: SQLite: Arbitrary code execution and crash via heap-based buffer overflow in FTS5

A flaw was found in SQLite, specifically within its FTS5 full-text search extension. Attackers can exploit a heap-based buffer overflow by providing a specially crafted database. This crafted database contains malicious metadata that triggers an integer underflow during FTS5 MATCH query processin...

sqlite: SQLite: Arbitrary code execution via crafted FTS5 full-text search data

A flaw was found in SQLite's FTS5 full-text search extension. This vulnerability involves memory corruption, specifically an out-of-bounds read and a heap buffer overflow, which can be triggered by supplying a crafted database with malformed FTS5 page data. When an FTS5 MATCH query is executed...

Important: Red Hat Security Advisory: sqlite security update

An update for sqlite 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 for...

gimp: GIMP: Remote code execution via TIF file parsing heap-based buffer overflow

A flaw was found in GIMP. This heap-based buffer overflow vulnerability in the TIF file parsing component allows a remote attacker to execute arbitrary code. User interaction is required, as the target must open a specially crafted malicious TIF file. Successful exploitation can lead to arbitrary...

Important: Red Hat Security Advisory: gimp security update

An update for gimp is now available for Red Hat Enterprise Linux 9. 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 for each vulnerability from the...

libtiff: libtiff: Heap-based buffer overflow via crafted PixarLog-compressed TIFF image

A flaw was found in libtiff. A remote attacker could exploit this vulnerability by providing a specially crafted PixarLog-compressed TIFF image. This issue occurs when decoding Pixarlog codec images with the PIXARLOGDATAFMT8BITABGR output format and a specific stride value, leading to a heap-base...

CVE-2026-18374

A flaw was found in the GNU C Library glibc. This vulnerability could allow an attacker with local access to trigger a heap buffer overflow by manipulating how the fopen function handles certain input. This could lead to minor disruptions in system operations or limited access to sensitive...

Important: Red Hat Security Advisory: libXfont2 security update

An update for libXfont2 is now available for Red Hat Enterprise Linux 9.6 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 f...

libxfonts2: libXfont2: Privilege Escalation via Heap Buffer Overflow in Font Server Client

A flaw was found in the libXfont2 font-server client. This heap buffer overflow vulnerability allows a malicious font server to send specially crafted glyph data. The fsreadglyphs function fails to properly validate the total size of the incoming data, leading to an overwrite of memory beyond the...

FreeRDP: FreeRDP: Heap-buffer-overflow allows arbitrary code execution via crafted RPC response

A flaw was found in FreeRDP. A remote attacker, specifically a malicious TS Gateway, can exploit a heap-buffer-overflow vulnerability by sending a specially crafted Remote Desktop Protocol RDP response. This occurs because the client incorrectly uses a smaller allochint value instead of the actua...

FreeRDP: FreeRDP: Denial of Service via integer underflow in RAIL channel handling

A flaw was found in FreeRDP. A remote attacker, by sending a specially crafted Remote Desktop Protocol RDP packet, could trigger a heap buffer overflow in the server-side RAIL channel handler. This vulnerability, caused by an integer underflow, allows the attacker to corrupt memory and crash the...

freerdp: FreeRDP: Arbitrary code execution via heap buffer overflow in Opus audio decode

A flaw was found in FreeRDP, a free implementation of the Remote Desktop Protocol. A malicious Remote Desktop Protocol RDP server can exploit a heap buffer overflow vulnerability during Opus audio decoding. This occurs when the server negotiates Opus audio with a vulnerable client, causing the...

FreeRDP: FreeRDP: Heap-buffer-overflow allows arbitrary code execution via crafted RPC response

A flaw was found in FreeRDP. A remote attacker, specifically a malicious TS Gateway, can exploit a heap-buffer-overflow vulnerability by sending a specially crafted Remote Desktop Protocol RDP response. This occurs because the client incorrectly uses a smaller allochint value instead of the actua...

Important: Red Hat Security Advisory: freerdp security update

An update for freerdp is now available for Red Hat Enterprise Linux 9. 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 for each vulnerability from t...