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

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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 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...

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...

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...

Important: Red Hat Security Advisory: libXfont2 security update

An update for libXfont2 is now available for Red Hat Enterprise Linux 8. 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...

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...

libXfont2 security update

2.0.3-2.3 - CVE fix for: CVE-2026-59679 Resolves: https://redhat.atlassian.net/browse/RHEL-221956 2.0.3-2.2 - CVE fix for: CVE-2026-44950 Resolves: https://redhat.atlassian.net/browse/RHEL-222015...

libXfont2 security update

2.0.3-12.3 - CVE fix for: CVE-2026-59679 Resolves: https://redhat.atlassian.net/browse/RHEL-221957 2.0.3-12.2 - CVE fix for: CVE-2026-44950 Resolves: https://redhat.atlassian.net/browse/RHEL-222029...

RHEL 10 : libXfont2 (RHSA-2026:55448)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:55448 advisory. X.Org X11 libXfont2 runtime library Security Fixes: libxfont2: Font Server Client encoding Out-Of-Bounds Read/Write CVE-2026-59679...

ALSA-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...

libXfont2 security update

2.0.6-5.3 - CVE fix for: CVE-2026-59679 Resolves: https://redhat.atlassian.net/browse/RHEL-221949 2.0.6-5.2 - CVE fix for: CVE-2026-44950 Resolves: https://redhat.atlassian.net/browse/RHEL-222024...

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...

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...

FreeBSD : libXfont2 -- multiple vulnerabilities (1fae5869-9275-11f1-83e9-901b0e13f1a0)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the 1fae5869-9275-11f1-83e9-901b0e13f1a0 advisory. Zhixi Jace Sun, independent security researcher reports: Tenable has extracted the preceding...

libXfont2-2-2.0.7-3.1 on GA media (moderate)

libXfont2-2-2.0.7-3.1 on GA media Announcement ID: openSUSE-SU-2026:11463-1 Rating: moderate Cross-References: CVE-2026-44950 CVE-2026-59679 CVSS scores: CVE-2026-44950 SUSE : 9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H CVE-2026-44950 SUSE : 9.5...

openSUSE 16 Security Update : libXfont2 (openSUSE-SU-2026:21539-1)

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21539-1 advisory. - CVE-2026-44950: fsreadglyphs heap buffer overflow via cumulative glyph data overflow bsc1272661. - CVE-2026-59679: fsreadglyphs heap OOB...