LibXfont2 Security Update — AlmaLinux 8 (ALSA-2026:47103)
This is a security release for AlmaLinux 8. Update the product on every affected server to the patched release — there is no workaround, and unpatched servers remain exposed until updated.
Команды исправления
EL8+ (AlmaLinux/CloudLinux/Rocky)
sudo dnf updateЧто это значит по лицензии SharedLicense
lib on AlmaLinux 8 is the exposure surface; the advisory's own severity data tops out at CVSS .
X.Org X11 libXfont2 runtime library
Security Fix(es):
* libXfont2: BitmapScaleBitmaps Integer Overflow Heap Buffer Overflow (CVE-2026-56001)
* libXfont2: PCF Font Parsing Heap Buffer Overflow (CVE-2026-56002)
* libXfont2: computeProps Property Buffer Heap Buffer Overflow (CVE-2026-56003)
For more detai…
Type:
security
Severity:
important
Release date:
2026-07-29
Description:
X.Org X11 libXfont2 runtime library
Security Fix(es):
* libXfont2: BitmapScaleBitmaps Integer Overflow Heap Buffer Overflow (CVE-2026-56001)
* libXfont2: PCF Font Parsing Heap Buffer Overflow (CVE-2026-56002)
* libXfont2: computeProps Property Buffer Heap Buffer Overflow (CVE-2026-56003)
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.
References:
Updated packages listed below:
| Architecture | Package | Checksum |
| aarch64 | libXfont2-devel-2.0.3-2.el8_10.1.aarch64.rpm | 19ad5274f573ddc922da4d362aa92bae98783b3c23650c2dc58cdc0fd1289f9b |
| aarch64 | libXfont2-2.0.3-2.el8_10.1.aarch64.rpm | ebbb5e271b6f68b0c36dba51403e165770928d8af2489e29871ea5742e700c25 |
| i686 | libXfont2-devel-2.0.3-2.el8_10.1.i686.rpm | 750548d0139da50473002dad2cbf178e6501b0de5434c726ce5270f3d2fdb7bf |
| i686 | libXfont2-2.0.3-2.el8_10.1.i686.rpm | 7d80785bca268953ac0834cb43c42439d0910417be7a817dbd14f542b0b28b5d |
| ppc64le | libXfont2-2.0.3-2.el8_10.1.ppc64le.rpm | 02fed2d70d3d6f7029f65463eafb87d02078d7148232ed3b0ca7c5095707b909 |
| ppc64le | libXfont2-devel-2.0.3-2.el8_10.1.ppc64le.rpm | 4700e8afb839bd093c17812eadb5dabbc04457feca93f9e2f8f8ca08db1ac5c1 |
| s390x | libXfont2-devel-2.0.3-2.el8_10.1.s390x.rpm | 28d8163499319e7a94ed3cda786795c0efae2ac4144b934b81e0641d1258627b |
| s390x | libXfont2-2.0.3-2.el8_10.1.s390x.rpm | 539605aff343a5a3940c9b09613a8d17e447946a5069890bb41303867bb4379b |
| x86_64 | libXfont2-2.0.3-2.el8_10.1.x86_64.rpm | 3beaa2459a1bdef99f89287ad5fc2d81a8f2b053ae786ad7661ab004ecb39d7f |
| x86_64 | libXfont2-devel-2.0.3-2.el8_10.1.x86_64.rpm | ad93217752190fc89d42baaa91066c59043a1350adac7786cf6aa093f376000c |
Notes:
This page is generated automatically from Red Hat security data and has not been checked for errors. For clarification or corrections please contact the AlmaLinux Packaging Team.
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