Synopsis
Important: libXfont2 security update
Type/Severity
Security Advisory: Important
Red Hat Lightspeed patch analysis
Identify and remediate systems affected by this advisory.
View affected systems
Topic
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 from the CVE link(s) in the References section.
Description
X.Org X11 libXfont2 runtime library
Security Fix(es):
- 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 issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Affected Products
-
Red Hat Enterprise Linux for x86_64 10 x86_64
-
Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.2 x86_64
-
Red Hat Enterprise Linux for IBM z Systems 10 s390x
-
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 10.2 s390x
-
Red Hat Enterprise Linux for Power, little endian 10 ppc64le
-
Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.2 ppc64le
-
Red Hat Enterprise Linux for ARM 64 10 aarch64
-
Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.2 aarch64
-
Red Hat CodeReady Linux Builder for x86_64 10 x86_64
-
Red Hat CodeReady Linux Builder for Power, little endian 10 ppc64le
-
Red Hat CodeReady Linux Builder for ARM 64 10 aarch64
-
Red Hat CodeReady Linux Builder for IBM z Systems 10 s390x
-
Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 10.2 x86_64
-
Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 10.2 ppc64le
-
Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 10.2 s390x
-
Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 10.2 aarch64
-
Red Hat Enterprise Linux for ARM 64 - 4 years of updates 10.2 aarch64
-
Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 10.2 s390x
-
Red Hat Enterprise Linux for Power, little endian - 4 years of support 10.2 ppc64le
-
Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.2 x86_64
-
Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 10.2 x86_64
-
Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 10.2 aarch64
-
Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 10.2 ppc64le
-
Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 10.2 s390x
Fixes
-
BZ - 2509620
- CVE-2026-59679 libxfont2: Font Server Client encoding[] Out-Of-Bounds Read/Write
-
BZ - 2509622
- CVE-2026-44950 libxfonts2: libXfont2: Privilege Escalation via Heap Buffer Overflow in Font Server Client
Note:
More recent versions of these packages may be available.
Click a package name for more details.
Red Hat Enterprise Linux for x86_64 10
| SRPM |
|
libXfont2-2.0.6-5.el10_2.3.src.rpm
|
SHA-256: 8dbe996af0ab92a44d78836036563b143a1d061673f39ca21330e43df136eb57 |
| x86_64 |
|
libXfont2-2.0.6-5.el10_2.3.x86_64.rpm
|
SHA-256: 19c56449f7544d1e13cd515967d2123b5c16af685d65d1770b690a67c8802d1b |
|
libXfont2-debuginfo-2.0.6-5.el10_2.3.x86_64.rpm
|
SHA-256: be40347f0871c118ce8977c7ca6154dbf63a2d4c58b52bb575b035293af9d195 |
|
libXfont2-debugsource-2.0.6-5.el10_2.3.x86_64.rpm
|
SHA-256: 9721bfa7f3e43221cb135b969cb4e58acae029f020a1e1de4b5104a3ffb47469 |
Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.2
| SRPM |
|
libXfont2-2.0.6-5.el10_2.3.src.rpm
|
SHA-256: 8dbe996af0ab92a44d78836036563b143a1d061673f39ca21330e43df136eb57 |
| x86_64 |
|
libXfont2-2.0.6-5.el10_2.3.x86_64.rpm
|
SHA-256: 19c56449f7544d1e13cd515967d2123b5c16af685d65d1770b690a67c8802d1b |
|
libXfont2-debuginfo-2.0.6-5.el10_2.3.x86_64.rpm
|
SHA-256: be40347f0871c118ce8977c7ca6154dbf63a2d4c58b52bb575b035293af9d195 |
|
libXfont2-debugsource-2.0.6-5.el10_2.3.x86_64.rpm
|
SHA-256: 9721bfa7f3e43221cb135b969cb4e58acae029f020a1e1de4b5104a3ffb47469 |
Red Hat Enterprise Linux for IBM z Systems 10
| SRPM |
|
libXfont2-2.0.6-5.el10_2.3.src.rpm
|
SHA-256: 8dbe996af0ab92a44d78836036563b143a1d061673f39ca21330e43df136eb57 |
| s390x |
|
libXfont2-2.0.6-5.el10_2.3.s390x.rpm
|
SHA-256: ed21c83f573c0d79026251c5bd058663b9d61707a2289fc1770a2410cbbc0e8f |
|
libXfont2-debuginfo-2.0.6-5.el10_2.3.s390x.rpm
|
SHA-256: edeea1de25263cb9c890e145765bc047fe62c18a254fa195e55b28c4a11d0622 |
|
libXfont2-debugsource-2.0.6-5.el10_2.3.s390x.rpm
|
SHA-256: 66c000146901e3338085c8b84697d6dcb0d81ba476039d646b785d9832ee9bcd |
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 10.2
| SRPM |
|
libXfont2-2.0.6-5.el10_2.3.src.rpm
|
SHA-256: 8dbe996af0ab92a44d78836036563b143a1d061673f39ca21330e43df136eb57 |
| s390x |
|
libXfont2-2.0.6-5.el10_2.3.s390x.rpm
|
SHA-256: ed21c83f573c0d79026251c5bd058663b9d61707a2289fc1770a2410cbbc0e8f |
|
libXfont2-debuginfo-2.0.6-5.el10_2.3.s390x.rpm
|
SHA-256: edeea1de25263cb9c890e145765bc047fe62c18a254fa195e55b28c4a11d0622 |
|
libXfont2-debugsource-2.0.6-5.el10_2.3.s390x.rpm
|
SHA-256: 66c000146901e3338085c8b84697d6dcb0d81ba476039d646b785d9832ee9bcd |
Red Hat Enterprise Linux for Power, little endian 10
| SRPM |
|
libXfont2-2.0.6-5.el10_2.3.src.rpm
|
SHA-256: 8dbe996af0ab92a44d78836036563b143a1d061673f39ca21330e43df136eb57 |
| ppc64le |
|
libXfont2-2.0.6-5.el10_2.3.ppc64le.rpm
|
SHA-256: 3b836810fd39924e583899032e954f39cb61f299d85ffe4d8d300c14343ce2cd |
|
libXfont2-debuginfo-2.0.6-5.el10_2.3.ppc64le.rpm
|
SHA-256: 9c59d56d91cb0ca765240c4e76c964ab168b66717a75fc958d42cd82185c3e02 |
|
libXfont2-debugsource-2.0.6-5.el10_2.3.ppc64le.rpm
|
SHA-256: 0b99f6bca435144786b374533db504724b76362e037e20bf4dd075f336392246 |
Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.2
| SRPM |
|
libXfont2-2.0.6-5.el10_2.3.src.rpm
|
SHA-256: 8dbe996af0ab92a44d78836036563b143a1d061673f39ca21330e43df136eb57 |
| ppc64le |
|
libXfont2-2.0.6-5.el10_2.3.ppc64le.rpm
|
SHA-256: 3b836810fd39924e583899032e954f39cb61f299d85ffe4d8d300c14343ce2cd |
|
libXfont2-debuginfo-2.0.6-5.el10_2.3.ppc64le.rpm
|
SHA-256: 9c59d56d91cb0ca765240c4e76c964ab168b66717a75fc958d42cd82185c3e02 |
|
libXfont2-debugsource-2.0.6-5.el10_2.3.ppc64le.rpm
|
SHA-256: 0b99f6bca435144786b374533db504724b76362e037e20bf4dd075f336392246 |
Red Hat Enterprise Linux for ARM 64 10
| SRPM |
|
libXfont2-2.0.6-5.el10_2.3.src.rpm
|
SHA-256: 8dbe996af0ab92a44d78836036563b143a1d061673f39ca21330e43df136eb57 |
| aarch64 |
|
libXfont2-2.0.6-5.el10_2.3.aarch64.rpm
|
SHA-256: 816c3a3064b29e6e4ca599fa007f3e0e94952d46fe44b3a14658878e30fb52cc |
|
libXfont2-debuginfo-2.0.6-5.el10_2.3.aarch64.rpm
|
SHA-256: 53071ca22265bdcc52ce27cfdc138553ea902742dfe03f8949f905c7d7345298 |
|
libXfont2-debugsource-2.0.6-5.el10_2.3.aarch64.rpm
|
SHA-256: 199ea3e837e28752e094864002638208663b95e946a3a84c93bbbd367f79c3ac |
Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.2
| SRPM |
|
libXfont2-2.0.6-5.el10_2.3.src.rpm
|
SHA-256: 8dbe996af0ab92a44d78836036563b143a1d061673f39ca21330e43df136eb57 |
| aarch64 |
|
libXfont2-2.0.6-5.el10_2.3.aarch64.rpm
|
SHA-256: 816c3a3064b29e6e4ca599fa007f3e0e94952d46fe44b3a14658878e30fb52cc |
|
libXfont2-debuginfo-2.0.6-5.el10_2.3.aarch64.rpm
|
SHA-256: 53071ca22265bdcc52ce27cfdc138553ea902742dfe03f8949f905c7d7345298 |
|
libXfont2-debugsource-2.0.6-5.el10_2.3.aarch64.rpm
|
SHA-256: 199ea3e837e28752e094864002638208663b95e946a3a84c93bbbd367f79c3ac |
Red Hat CodeReady Linux Builder for x86_64 10
| SRPM |
| x86_64 |
|
libXfont2-debuginfo-2.0.6-5.el10_2.3.x86_64.rpm
|
SHA-256: be40347f0871c118ce8977c7ca6154dbf63a2d4c58b52bb575b035293af9d195 |
|
libXfont2-debugsource-2.0.6-5.el10_2.3.x86_64.rpm
|
SHA-256: 9721bfa7f3e43221cb135b969cb4e58acae029f020a1e1de4b5104a3ffb47469 |
|
libXfont2-devel-2.0.6-5.el10_2.3.x86_64.rpm
|
SHA-256: e760b56abf7e034348b2adedc017a1ff8293158585812aff4ead68d6b55f23d5 |
Red Hat CodeReady Linux Builder for Power, little endian 10
| SRPM |
| ppc64le |
|
libXfont2-debuginfo-2.0.6-5.el10_2.3.ppc64le.rpm
|
SHA-256: 9c59d56d91cb0ca765240c4e76c964ab168b66717a75fc958d42cd82185c3e02 |
|
libXfont2-debugsource-2.0.6-5.el10_2.3.ppc64le.rpm
|
SHA-256: 0b99f6bca435144786b374533db504724b76362e037e20bf4dd075f336392246 |
|
libXfont2-devel-2.0.6-5.el10_2.3.ppc64le.rpm
|
SHA-256: 3769ceb91ce9af348fd80dfb2c3a4e18c401b32bb246ab99890a162c56c58a78 |
Red Hat CodeReady Linux Builder for ARM 64 10
| SRPM |
| aarch64 |
|
libXfont2-debuginfo-2.0.6-5.el10_2.3.aarch64.rpm
|
SHA-256: 53071ca22265bdcc52ce27cfdc138553ea902742dfe03f8949f905c7d7345298 |
|
libXfont2-debugsource-2.0.6-5.el10_2.3.aarch64.rpm
|
SHA-256: 199ea3e837e28752e094864002638208663b95e946a3a84c93bbbd367f79c3ac |
|
libXfont2-devel-2.0.6-5.el10_2.3.aarch64.rpm
|
SHA-256: 1400891fe93bf6a2d09c143806b5faade2e00fdfb58d1059be45f7806ec790ab |
Red Hat CodeReady Linux Builder for IBM z Systems 10
| SRPM |
| s390x |
|
libXfont2-debuginfo-2.0.6-5.el10_2.3.s390x.rpm
|
SHA-256: edeea1de25263cb9c890e145765bc047fe62c18a254fa195e55b28c4a11d0622 |
|
libXfont2-debugsource-2.0.6-5.el10_2.3.s390x.rpm
|
SHA-256: 66c000146901e3338085c8b84697d6dcb0d81ba476039d646b785d9832ee9bcd |
|
libXfont2-devel-2.0.6-5.el10_2.3.s390x.rpm
|
SHA-256: b54ed68682738cf3e4f47349b683cc435936cebd882066d19c95c07d7e60bb38 |
Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 10.2
| SRPM |
| x86_64 |
|
libXfont2-debuginfo-2.0.6-5.el10_2.3.x86_64.rpm
|
SHA-256: be40347f0871c118ce8977c7ca6154dbf63a2d4c58b52bb575b035293af9d195 |
|
libXfont2-debugsource-2.0.6-5.el10_2.3.x86_64.rpm
|
SHA-256: 9721bfa7f3e43221cb135b969cb4e58acae029f020a1e1de4b5104a3ffb47469 |
|
libXfont2-devel-2.0.6-5.el10_2.3.x86_64.rpm
|
SHA-256: e760b56abf7e034348b2adedc017a1ff8293158585812aff4ead68d6b55f23d5 |
Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 10.2
| SRPM |
| ppc64le |
|
libXfont2-debuginfo-2.0.6-5.el10_2.3.ppc64le.rpm
|
SHA-256: 9c59d56d91cb0ca765240c4e76c964ab168b66717a75fc958d42cd82185c3e02 |
|
libXfont2-debugsource-2.0.6-5.el10_2.3.ppc64le.rpm
|
SHA-256: 0b99f6bca435144786b374533db504724b76362e037e20bf4dd075f336392246 |
|
libXfont2-devel-2.0.6-5.el10_2.3.ppc64le.rpm
|
SHA-256: 3769ceb91ce9af348fd80dfb2c3a4e18c401b32bb246ab99890a162c56c58a78 |
Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 10.2
| SRPM |
| s390x |
|
libXfont2-debuginfo-2.0.6-5.el10_2.3.s390x.rpm
|
SHA-256: edeea1de25263cb9c890e145765bc047fe62c18a254fa195e55b28c4a11d0622 |
|
libXfont2-debugsource-2.0.6-5.el10_2.3.s390x.rpm
|
SHA-256: 66c000146901e3338085c8b84697d6dcb0d81ba476039d646b785d9832ee9bcd |
|
libXfont2-devel-2.0.6-5.el10_2.3.s390x.rpm
|
SHA-256: b54ed68682738cf3e4f47349b683cc435936cebd882066d19c95c07d7e60bb38 |
Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 10.2
| SRPM |
| aarch64 |
|
libXfont2-debuginfo-2.0.6-5.el10_2.3.aarch64.rpm
|
SHA-256: 53071ca22265bdcc52ce27cfdc138553ea902742dfe03f8949f905c7d7345298 |
|
libXfont2-debugsource-2.0.6-5.el10_2.3.aarch64.rpm
|
SHA-256: 199ea3e837e28752e094864002638208663b95e946a3a84c93bbbd367f79c3ac |
|
libXfont2-devel-2.0.6-5.el10_2.3.aarch64.rpm
|
SHA-256: 1400891fe93bf6a2d09c143806b5faade2e00fdfb58d1059be45f7806ec790ab |
Red Hat Enterprise Linux for ARM 64 - 4 years of updates 10.2
| SRPM |
|
libXfont2-2.0.6-5.el10_2.3.src.rpm
|
SHA-256: 8dbe996af0ab92a44d78836036563b143a1d061673f39ca21330e43df136eb57 |
| aarch64 |
|
libXfont2-2.0.6-5.el10_2.3.aarch64.rpm
|
SHA-256: 816c3a3064b29e6e4ca599fa007f3e0e94952d46fe44b3a14658878e30fb52cc |
|
libXfont2-debuginfo-2.0.6-5.el10_2.3.aarch64.rpm
|
SHA-256: 53071ca22265bdcc52ce27cfdc138553ea902742dfe03f8949f905c7d7345298 |
|
libXfont2-debugsource-2.0.6-5.el10_2.3.aarch64.rpm
|
SHA-256: 199ea3e837e28752e094864002638208663b95e946a3a84c93bbbd367f79c3ac |
Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 10.2
| SRPM |
|
libXfont2-2.0.6-5.el10_2.3.src.rpm
|
SHA-256: 8dbe996af0ab92a44d78836036563b143a1d061673f39ca21330e43df136eb57 |
| s390x |
|
libXfont2-2.0.6-5.el10_2.3.s390x.rpm
|
SHA-256: ed21c83f573c0d79026251c5bd058663b9d61707a2289fc1770a2410cbbc0e8f |
|
libXfont2-debuginfo-2.0.6-5.el10_2.3.s390x.rpm
|
SHA-256: edeea1de25263cb9c890e145765bc047fe62c18a254fa195e55b28c4a11d0622 |
|
libXfont2-debugsource-2.0.6-5.el10_2.3.s390x.rpm
|
SHA-256: 66c000146901e3338085c8b84697d6dcb0d81ba476039d646b785d9832ee9bcd |
Red Hat Enterprise Linux for Power, little endian - 4 years of support 10.2
| SRPM |
|
libXfont2-2.0.6-5.el10_2.3.src.rpm
|
SHA-256: 8dbe996af0ab92a44d78836036563b143a1d061673f39ca21330e43df136eb57 |
| ppc64le |
|
libXfont2-2.0.6-5.el10_2.3.ppc64le.rpm
|
SHA-256: 3b836810fd39924e583899032e954f39cb61f299d85ffe4d8d300c14343ce2cd |
|
libXfont2-debuginfo-2.0.6-5.el10_2.3.ppc64le.rpm
|
SHA-256: 9c59d56d91cb0ca765240c4e76c964ab168b66717a75fc958d42cd82185c3e02 |
|
libXfont2-debugsource-2.0.6-5.el10_2.3.ppc64le.rpm
|
SHA-256: 0b99f6bca435144786b374533db504724b76362e037e20bf4dd075f336392246 |
Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.2
| SRPM |
|
libXfont2-2.0.6-5.el10_2.3.src.rpm
|
SHA-256: 8dbe996af0ab92a44d78836036563b143a1d061673f39ca21330e43df136eb57 |
| x86_64 |
|
libXfont2-2.0.6-5.el10_2.3.x86_64.rpm
|
SHA-256: 19c56449f7544d1e13cd515967d2123b5c16af685d65d1770b690a67c8802d1b |
|
libXfont2-debuginfo-2.0.6-5.el10_2.3.x86_64.rpm
|
SHA-256: be40347f0871c118ce8977c7ca6154dbf63a2d4c58b52bb575b035293af9d195 |
|
libXfont2-debugsource-2.0.6-5.el10_2.3.x86_64.rpm
|
SHA-256: 9721bfa7f3e43221cb135b969cb4e58acae029f020a1e1de4b5104a3ffb47469 |
Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 10.2
| SRPM |
|
libXfont2-2.0.6-5.el10_2.3.src.rpm
|
SHA-256: 8dbe996af0ab92a44d78836036563b143a1d061673f39ca21330e43df136eb57 |
| x86_64 |
|
libXfont2-2.0.6-5.el10_2.3.x86_64.rpm
|
SHA-256: 19c56449f7544d1e13cd515967d2123b5c16af685d65d1770b690a67c8802d1b |
|
libXfont2-debuginfo-2.0.6-5.el10_2.3.x86_64.rpm
|
SHA-256: be40347f0871c118ce8977c7ca6154dbf63a2d4c58b52bb575b035293af9d195 |
|
libXfont2-debugsource-2.0.6-5.el10_2.3.x86_64.rpm
|
SHA-256: 9721bfa7f3e43221cb135b969cb4e58acae029f020a1e1de4b5104a3ffb47469 |
Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 10.2
| SRPM |
|
libXfont2-2.0.6-5.el10_2.3.src.rpm
|
SHA-256: 8dbe996af0ab92a44d78836036563b143a1d061673f39ca21330e43df136eb57 |
| aarch64 |
|
libXfont2-2.0.6-5.el10_2.3.aarch64.rpm
|
SHA-256: 816c3a3064b29e6e4ca599fa007f3e0e94952d46fe44b3a14658878e30fb52cc |
|
libXfont2-debuginfo-2.0.6-5.el10_2.3.aarch64.rpm
|
SHA-256: 53071ca22265bdcc52ce27cfdc138553ea902742dfe03f8949f905c7d7345298 |
|
libXfont2-debugsource-2.0.6-5.el10_2.3.aarch64.rpm
|
SHA-256: 199ea3e837e28752e094864002638208663b95e946a3a84c93bbbd367f79c3ac |
Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 10.2
| SRPM |
|
libXfont2-2.0.6-5.el10_2.3.src.rpm
|
SHA-256: 8dbe996af0ab92a44d78836036563b143a1d061673f39ca21330e43df136eb57 |
| ppc64le |
|
libXfont2-2.0.6-5.el10_2.3.ppc64le.rpm
|
SHA-256: 3b836810fd39924e583899032e954f39cb61f299d85ffe4d8d300c14343ce2cd |
|
libXfont2-debuginfo-2.0.6-5.el10_2.3.ppc64le.rpm
|
SHA-256: 9c59d56d91cb0ca765240c4e76c964ab168b66717a75fc958d42cd82185c3e02 |
|
libXfont2-debugsource-2.0.6-5.el10_2.3.ppc64le.rpm
|
SHA-256: 0b99f6bca435144786b374533db504724b76362e037e20bf4dd075f336392246 |
Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 10.2
| SRPM |
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libXfont2-2.0.6-5.el10_2.3.src.rpm
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SHA-256: 8dbe996af0ab92a44d78836036563b143a1d061673f39ca21330e43df136eb57 |
| s390x |
|
libXfont2-2.0.6-5.el10_2.3.s390x.rpm
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SHA-256: ed21c83f573c0d79026251c5bd058663b9d61707a2289fc1770a2410cbbc0e8f |
|
libXfont2-debuginfo-2.0.6-5.el10_2.3.s390x.rpm
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SHA-256: edeea1de25263cb9c890e145765bc047fe62c18a254fa195e55b28c4a11d0622 |
|
libXfont2-debugsource-2.0.6-5.el10_2.3.s390x.rpm
|
SHA-256: 66c000146901e3338085c8b84697d6dcb0d81ba476039d646b785d9832ee9bcd |