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Fencer Vulns
medium 5.5

CVE-2022-25309 json

A heap-based buffer overflow flaw was found in the Fribidi package and affects the...

published 2022-09-06 4 y ago modified 2026-07-23 3 mo ago also EUVD-2022-29993 , JLSEC-2025-171

cvss
5.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 43%
public exploits
0
none known

Summary

A heap-based buffer overflow flaw was found in the Fribidi package and affects the fribidi_cap_rtl_to_unicode() function of the fribidi-char-sets-cap-rtl.c file. This flaw allows an attacker to pass a specially crafted file to the Fribidi application with the '--caprtl' option, leading to a crash and causing a denial of service.

Patch / fix

  • julia FriBidi_jll 1.0.14+0
  • gnu fribidi 1.0.12
  • fribidi Debian 14, Debian 13, Debian 12 1.0.8-2.1

debian advisories DEBIAN-CVE-2022-25309

  • fribidi Ubuntu 18.04 LTS 0.19.7-2ubuntu0.1
  • fribidi Ubuntu 20.04 LTS 1.0.8-2ubuntu0.1
  • fribidi Ubuntu 22.04 LTS 1.0.8-2ubuntu3.1
  • fribidi Ubuntu Pro 16.04 LTS 0.19.7-1ubuntu0.1~esm1

ubuntu advisories UBUNTU-CVE-2022-25309

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • fribidi RHEL 9 1.0.10-6.el9.2
  • fribidi RHEL 8 1.0.4-9.el8

red hat advisories RHSA-2022:8011RHSA-2022:7514

  • fribidi SLES for SAP 15 SP1, SLES for SAP 15, SLES 15-LTSS +7 more 0.19.6-150000.3.3.1
  • fribidi SLE Module for Desktop Applications 15 SP4, SLE Module for Basesystem 15 SP4, openSUSE Leap 15.4 1.0.10-150400.3.3.1
  • fribidi SLES for SAP 12 SP5, SLES 12 SP5, SLE Software Development Kit 12 SP5 0.19.2-14.3.1
  • fribidi SLE Module for Desktop Applications 15 SP3, SLE Module for Basesystem 15 SP3, SLE Micro 5.2 +1 more 1.0.5-150200.3.6.1

suse advisories SUSE-SU-2022:2029-1SUSE-SU-2022:1898-1SUSE-SU-2022:1845-1SUSE-SU-2022:1844-1

  • fribidi AlmaLinux 9 1.0.10-6.el9.2
  • fribidi AlmaLinux 8 1.0.4-9.el8

almalinux advisories ALSA-2022:8011ALSA-2022:7514

  • fribidi Rocky Linux 9 1.0.10-6.el9.2
  • fribidi Rocky Linux 8 1.0.4-9.el8

rocky linux advisories RLSA-2022:8011RLSA-2022:7514

  • fribidi Alpine 3.24, Alpine 3.23, Alpine 3.22 +6 more 1.0.12-r0

alpine advisories ALPINE-CVE-2022-25309

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • fribidi CBL-Mariner 2.0 1.0.12-1

azure linux advisories AZL-10887

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2022-25309 updated cvss 5.3

fribidi: Heap-buffer-overflow in fribidi_cap_rtl_to_unicode

  • Red Hat Enterprise Linux 7 fribidi
    affected: no fix planned “Out of support scope”
  • Red Hat Enterprise Linux AppStream (v. 8) fribidi 1.0.4-9.el8
    fixed: vendor fix RHSA-2022:7514
  • Red Hat Enterprise Linux AppStream (v. 9) fribidi 1.0.10-6.el9.2
    fixed: vendor fix RHSA-2022:8011

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.51% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/fribidi/fribidi/issues/182 referenced PoC, tagged "exploit" by a source, unverified
  • bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=2047896 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
OSV 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
julia FriBidi_jll
<1.0.14+0
1.0.14+0

Affected products

  • n/a fribidi

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.