CVE-2022-25310: Null Pointer Dereference
First published: Fri Jan 28 2022(Updated: )
A segmentation fault (SEGV) flaw was found in the Fribidi package and affects the fribidi_remove_bidi_marks() function of the lib/fribidi.c file. This flaw allows an attacker to pass a specially crafted file to Fribidi, leading to a crash and causing a denial of service.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| GNU FriBidi | <1.0.12 | |
| Redhat Enterprise Linux | =8.0 | |
| Redhat Enterprise Linux | =9.0 |
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Reference Links
- https://github.com/fribidi/fribidi/issues/183
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2067045
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2067046
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2047898
- https://access.redhat.com/errata/RHSA-2022:7514
- https://access.redhat.com/errata/RHSA-2022:8011
- https://access.redhat.com/security/cve/cve-2022-25310
- https://bugzilla.redhat.com/show_bug.cgi?id=2047923
- https://access.redhat.com/security/cve/CVE-2022-25310
- https://github.com/fribidi/fribidi/pull/186
Frequently Asked Questions
What is CVE-2022-25310?
CVE-2022-25310 is a segmentation fault (SEGV) flaw in the Fribidi package that affects the fribidi_remove_bidi_marks() function of the lib/fribidi.c file.
What is the severity of CVE-2022-25310?
The severity of CVE-2022-25310 is medium with a severity value of 5.5.
How can CVE-2022-25310 be exploited?
CVE-2022-25310 can be exploited by an attacker who passes a specially crafted file to Fribidi, leading to a crash and causing a denial of service.
Which software versions are affected by CVE-2022-25310?
The GNU FriBidi package version 1.0.12, Redhat Enterprise Linux version 8.0, and Redhat Enterprise Linux version 9.0 are affected by CVE-2022-25310.
How can I mitigate CVE-2022-25310?
To mitigate CVE-2022-25310, update the affected software to a version that includes a fix for the vulnerability.
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