RHSA-2022:8011 - Security Advisory

Topic

An update for fribidi is now available for Red Hat Enterprise Linux 9.

Red Hat Product Security has rated this update as having a security impact of Moderate. 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

FriBidi is a library to handle bidirectional scripts (for example Hebrew, Arabic), so that the display is done in the proper way, while the text data itself is always written in logical order.

Security Fix(es):

• fribidi: Stack based buffer overflow (CVE-2022-25308)
• fribidi: Heap-buffer-overflow in fribidi_cap_rtl_to_unicode (CVE-2022-25309)
• fribidi: SEGV in fribidi_remove_bidi_marks (CVE-2022-25310)

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.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 9.1 Release Notes linked from the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

• Red Hat Enterprise Linux for x86_64 9 x86_64
• Red Hat Enterprise Linux for IBM z Systems 9 s390x
• Red Hat Enterprise Linux for Power, little endian 9 ppc64le
• Red Hat Enterprise Linux for ARM 64 9 aarch64

Fixes

• BZ - 2047890 - CVE-2022-25308 fribidi: Stack based buffer overflow
• BZ - 2047896 - CVE-2022-25309 fribidi: Heap-buffer-overflow in fribidi_cap_rtl_to_unicode
• BZ - 2047923 - CVE-2022-25310 fribidi: SEGV in fribidi_remove_bidi_marks

CVEs

• CVE-2022-25308
• CVE-2022-25309
• CVE-2022-25310

References

• https://access.redhat.com/security/updates/classification/#moderate
• https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/9/html/9.1_release_notes/index