Security Bulletin: Vulnerabilities in xorg-x11-server, mod_http2, httpd, openssl, openssl-fips-provider, glibc, libxml2, kernel, sssd, krb5, expat, rsyslog, apr-util libraries affect Power HMC.

Summary The xorg-x11-server, modhttp2,httpd, openssl, openssl-fips-provider, glibc, libxml2, kernel, sssd, krb5, expat, rsyslog, apr-util libraries are used by Power Hardware Management Console HMC. HMC has addressed the applicable CVEs. The applicable CVEs are as follows: CVE-2026-33999,...

Unity Linux 20.1070a Security Update: libXfont2 (UTSA-2026-141793)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-141793 advisory. 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...

EulerOS 2.0 SP13 : libXfont2 (EulerOS-SA-2026-4058)

According to the versions of the libXfont2 packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A heap buffer overflow due to missing size checking in the property buffer when parsing PCF files in libXfont2 ComputeScaledProperties before...

EulerOS 2.0 SP13 : libXfont2 (EulerOS-SA-2026-4149)

According to the versions of the libXfont2 packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A heap buffer overflow due to missing size checking in the property buffer when parsing PCF files in libXfont2 ComputeScaledProperties before...

EulerOS 2.0 SP11 : libXfont2 (EulerOS-SA-2026-4243)

According to the versions of the libXfont2 packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A flaw was found in the libXfont2 font-server client. This heap buffer overflow vulnerability allows a malicious font server to send specially...

EulerOS 2.0 SP11 : libXfont2 (EulerOS-SA-2026-4334)

According to the versions of the libXfont2 packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A flaw was found in the libXfont2 font-server client. This heap buffer overflow vulnerability allows a malicious font server to send specially...

Updated libxfont2 package fixes security vulnerabilities

fsreadglyphs heap buffer overflow via cumulative glyph data overflow in libXfont2. CVE-2026-44950 fsreadglyphs heap OOB read/write via encoding array index mismatch in libXfont2. CVE-2026-59679...

MGASA-2026-0471 Updated libxfont2 package fixes security vulnerabilities

fsreadglyphs heap buffer overflow via cumulative glyph data overflow in libXfont2. CVE-2026-44950 fsreadglyphs heap OOB read/write via encoding array index mismatch in libXfont2. CVE-2026-59679...

EulerOS 2.0 SP15 : libXfont2 (EulerOS-SA-2026-3917)

According to the versions of the libXfont2 packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A heap buffer overflow in pcfReadFont due to missing glyph bounds checking in libXfont2 before 2.0.8 allows attackers authenticated as X client...

EulerOS 2.0 SP15 : libXfont2 (EulerOS-SA-2026-3983)

According to the versions of the libXfont2 packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A heap buffer overflow in pcfReadFont due to missing glyph bounds checking in libXfont2 before 2.0.8 allows attackers authenticated as X client...

Astra Linux – Vulnerability in xorg-server

A stack-based buffer overflow vulnerability was discovered in the X.Org X server and Xwayland. A mismatch between the X server’s requirements and the maximum font name length supported by the libXfont2 library can lead to a stack buffer overflow during font alias resolution. The X server allocate...

Rocky Linux 9 [CIQ] Security Update: libXfont2 / libXfont2-debuginfo / libXfont2-debugsource / etc Multiple Vulnerabilities (crlsa-2026_55447)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202655447 advisory. libxfont2: Font Server Client encoding Out-Of-Bounds Read/Write CVE-2026-59679 libxfonts2: libXfont2: Privilege Escalation via Heap Buffer Overflow in Fon...

Rocky Linux 10.2 [CIQ] Security Update: libXfont2 / libXfont2-debuginfo / libXfont2-debugsource / etc Multiple Vulnerabilities (crlsa-2026_55448)

The Rocky Linux 10.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202655448 advisory. libxfont2: Font Server Client encoding Out-Of-Bounds Read/Write CVE-2026-59679 libxfonts2: libXfont2: Privilege Escalation via Heap Buffer Overflow in...

Rocky Linux 9 [CIQ] Security Update: libXfont2 / libXfont2-debuginfo / libXfont2-debugsource / etc Multiple Vulnerabilities (crlsa-2026_47084)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202647084 advisory. libXfont2: BitmapScaleBitmaps Integer Overflow Heap Buffer Overflow CVE-2026-56001 libXfont2: PCF Font Parsing Heap Buffer Overflow CVE-2026-56002 Tenable...

Rocky Linux 9.6 [TuxCare] Security Update: libXfont2 / libXfont2-devel Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1787162017)

The Rocky Linux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1787162017 advisory. - fsreadglyphs in the libXfont2 font-server client src/fc/fserve.c copies each glyph's bitmap into a single buffer. Existing check...

Rocky Linux 8 [CIQ] Security Update: libXfont2 / libXfont2-debuginfo / libXfont2-debugsource / etc Multiple Vulnerabilities (crlsa-2026_55446)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202655446 advisory. libxfont2: Font Server Client encoding Out-Of-Bounds Read/Write CVE-2026-59679 libxfonts2: libXfont2: Privilege Escalation via Heap Buffer Overflow in Fon...

AlmaLinux 9.6 [TuxCare] Security Update: libXfont2 / libXfont2-devel Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1784798270)

The AlmaLinux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1784798270 advisory. - A heap buffer overflow in BitmapScaleBitmaps in libXfont2 before 2.0.8 due to an overflowing 32bit size could be used by attackers...

Rocky Linux 9.6 [TuxCare] Security Update: libXfont2 / libXfont2-devel Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1784798270)

The Rocky Linux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1784798270 advisory. - A heap buffer overflow in BitmapScaleBitmaps in libXfont2 before 2.0.8 due to an overflowing 32bit size could be used by attacke...

Rocky Linux 10.2 [CIQ] Security Update: libXfont2 / libXfont2-debuginfo / libXfont2-debugsource / etc Multiple Vulnerabilities (crlsa-2026_47079)

The Rocky Linux 10.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202647079 advisory. libXfont2: BitmapScaleBitmaps Integer Overflow Heap Buffer Overflow CVE-2026-56001 libXfont2: PCF Font Parsing Heap Buffer Overflow CVE-2026-56002...

AlmaLinux 9.6 [TuxCare] Security Update: libXfont2 / libXfont2-devel Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1787162017)

The AlmaLinux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1787162017 advisory. - fsreadglyphs in the libXfont2 font-server client src/fc/fserve.c copies each glyph's bitmap into a single buffer. Existing checks...