Mozilla: Arbitrary JavaScript execution in PDF.js

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes this flaw as follows: A type check was missing when handling fonts in PDF.js, which would allow arbitrary JavaScript execution in the PDF.js context...

OpenJDK: Improve font loading (2026-08 Security Update)

Vulnerability in Oracle Java SE component: 2D. Supported versions that are affected are Oracle Java SE: 25.0.4 and 26.0.2. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE. Successful attacks of this...

OpenJDK: Improve font loading (2026-08 Security Update)

Vulnerability in Oracle Java SE component: 2D. Supported versions that are affected are Oracle Java SE: 25.0.4 and 26.0.2. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE. Successful attacks of this...

OpenJDK: Improve font loading (2026-08 Security Update)

Vulnerability in Oracle Java SE component: 2D. Supported versions that are affected are Oracle Java SE: 25.0.4 and 26.0.2. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE. Successful attacks of this...

Moderate: java-25-openjdk security update

The OpenJDK 25 packages provide the OpenJDK 25 Java Runtime Environment and the OpenJDK 25 Java Software Development Kit. Security Fixes: JDK: Improve Resource Resolving CVE-2026-60589 JDK: Enhance HTTP Connections CVE-2026-61308 JDK: Improve font loading CVE-2026-70906 JDK: Enhance TLS server...

ALSA-2026:55798 Moderate: java-25-openjdk security update

The OpenJDK 25 packages provide the OpenJDK 25 Java Runtime Environment and the OpenJDK 25 Java Software Development Kit. Security Fixes: JDK: Improve Resource Resolving CVE-2026-60589 JDK: Enhance HTTP Connections CVE-2026-61308 JDK: Improve font loading CVE-2026-70906 JDK: Enhance TLS server...

Oracle Linux 8 : libXfont2 (ELSA-2026-55446)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-55446 advisory. - CVE fix for: CVE-2026-59679 Resolves: https://redhat.atlassian.net/browse/RHEL-221956 Tenable has extracted the preceding description block directly...

SUSE CVE-2026-71852

pypdf is a free and open-source pure-python PDF library. Prior to 6.15.0, a crafted PDF can cause long runtimes and large memory consumption when pypdf/font.py function Font.collectcidcharacterwidths expands unusually large CID font /W width ranges or excessive width entries during text extractio...

AlmaLinux 10 : libXfont2 (ALSA-2026:55448)

The remote AlmaLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:55448 advisory. libxfont2: Font Server Client encoding Out-Of-Bounds Read/Write CVE-2026-59679 libxfonts2: libXfont2: Privilege Escalation via Heap Buffer Overflow in...

AlmaLinux 9 : libXfont2 (ALSA-2026:55447)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:55447 advisory. libxfont2: Font Server Client encoding Out-Of-Bounds Read/Write CVE-2026-59679 libxfonts2: libXfont2: Privilege Escalation via Heap Buffer Overflow in Fo...

ANT-2026-MHV0A2SD · FreeType2 · Heap Buffer Overflow

heap-buffer-overflow medium Severity Claude medium · Security research firm medium · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trail of Bits. ANT-2026-MHV0A2SD: Heap buffer overflow in Type 1...

RLSA-2026:55448 Important: libXfont2 security update

X.Org X11 libXfont2 runtime library Security Fixes: libxfont2: Font Server Client encoding Out-Of-Bounds Read/Write CVE-2026-59679 libxfonts2: libXfont2: Privilege Escalation via Heap Buffer Overflow in Font Server Client CVE-2026-44950 For more details about the security issues, including the...

RLSA-2026:55446 Important: libXfont2 security update

X.Org X11 libXfont2 runtime library Security Fixes: libxfont2: Font Server Client encoding Out-Of-Bounds Read/Write CVE-2026-59679 libxfonts2: libXfont2: Privilege Escalation via Heap Buffer Overflow in Font Server Client CVE-2026-44950 For more details about the security issues, including the...

ANT-2026-8RX9XHEB · php/php-src · Memory Corruption / Out-of-Bounds Write

oob-write high Severity Claude high · Security research firm high · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Ada Logics. ANT-2026-8RX9XHEB: Heap out-of-bounds write in font loader via stride...

RHSA-2026:55448 Red Hat Security Advisory: libXfont2 security update

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RHSA-2026:55447 Red Hat Security Advisory: libXfont2 security update

Bulletin has no description...

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...

Important: Red Hat Security Advisory: libXfont2 security update

An update for libXfont2 is now available for Red Hat Enterprise Linux 10. 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 fro...

libxfont2: Font Server Client encoding[] Out-Of-Bounds Read/Write

A flaw was found in the libXfont2 font-server client. A remote attacker, by operating a malicious font server, could exploit an out-of-bounds read/write vulnerability. This occurs because the client incorrectly handles font data, leading to an out-of-bounds memory access. This can lead to privile...

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...