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TI-2019-16033 Aliases CVE-2019-1010238GHSA-wwvc-98fq-c42m

Out-of-bounds write in GNOME Pango

Priority MEDIUM 51CWE-787Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-787 and the CVSS impact.

Summary

Gnome Pango 1.42 and later is affected by: Buffer Overflow. The impact is: The heap based buffer overflow can be used to get code execution. The component is: function name: pango_log2vis_get_embedding_levels, assignment of nchars and the loop condition. The attack vector is: Bug can be used when application pass invalid utf-8 strings to functions like pango_itemize.

Why it matters now

EPSS 0.06274 93rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Red Hat: 3 advisories

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
GNOMEPango1.42 and later—No fix listedCNA
  • Pango VendorGNOME Affected 1.42 and later Fixed in — No fix listed CNA

CPE configurations NVD · 28

CPEVersionsRoleVendor
cpe:2.3:a:gnome:pango:*:*:*:*:*:*:*:*1.42.0 – 1.44VulnerableGNOME
cpe:2.3:a:oracle:sd-wan_edge:7.3:*:*:*:*:*:*:*7.3VulnerableOracle
cpe:2.3:a:oracle:sd-wan_edge:8.0:*:*:*:*:*:*:*8.0VulnerableOracle
cpe:2.3:a:oracle:sd-wan_edge:8.1:*:*:*:*:*:*:*8.1VulnerableOracle
cpe:2.3:a:oracle:sd-wan_edge:8.2:*:*:*:*:*:*:*8.2VulnerableOracle
cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*29VulnerableFedoraproject
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*30VulnerableFedoraproject
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*10.0VulnerableDebian
cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*19.04VulnerableCanonical
cpe:2.3:a:redhat:openshift_container_platform:3.11:*:*:*:*:*:*:*3.11VulnerableRed Hat
  • cpe:2.3:a:gnome:pango:*:*:*:*:*:*:*:* Versions 1.42.0 – 1.44 Vulnerable ·GNOME
  • cpe:2.3:a:oracle:sd-wan_edge:7.3:*:*:*:*:*:*:* Versions 7.3 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:sd-wan_edge:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:sd-wan_edge:8.1:*:*:*:*:*:*:* Versions 8.1 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:sd-wan_edge:8.2:*:*:*:*:*:*:* Versions 8.2 Vulnerable ·Oracle
  • cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:* Versions 29 Vulnerable ·Fedoraproject
  • cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* Versions 30 Vulnerable ·Fedoraproject
  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
  • cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:* Versions 19.04 Vulnerable ·Canonical
  • cpe:2.3:a:redhat:openshift_container_platform:3.11:*:*:*:*:*:*:* Versions 3.11 Vulnerable ·Red Hat
Show 18 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:redhat:openshift_container_platform:4.1:*:*:*:*:*:*:*4.1VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*8.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_eus:7.4:*:*:*:*:*:*:*7.4VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_eus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_eus:8.1:*:*:*:*:*:*:*8.1VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_eus:8.2:*:*:*:*:*:*:*8.2VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_eus:8.4:*:*:*:*:*:*:*8.4VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.7:*:*:*:*:*:*:*7.7VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:*:*:*:*:*:*:*8.2VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_aus:8.4:*:*:*:*:*:*:*8.4VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.7:*:*:*:*:*:*:*7.7VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:*:*:*:*:*:*:*8.2VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_tus:8.4:*:*:*:*:*:*:*8.4VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
  • cpe:2.3:a:redhat:openshift_container_platform:4.1:*:*:*:*:*:*:* Versions 4.1 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_eus:7.4:*:*:*:*:*:*:* Versions 7.4 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_eus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_eus:8.1:*:*:*:*:*:*:* Versions 8.1 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_eus:8.2:*:*:*:*:*:*:* Versions 8.2 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_eus:8.4:*:*:*:*:*:*:* Versions 8.4 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_aus:7.7:*:*:*:*:*:*:* Versions 7.7 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:*:*:*:*:*:*:* Versions 8.2 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_aus:8.4:*:*:*:*:*:*:* Versions 8.4 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_tus:7.7:*:*:*:*:*:*:* Versions 7.7 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:*:*:*:*:*:*:* Versions 8.2 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_tus:8.4:*:*:*:*:*:*:* Versions 8.4 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat

Remediation

Red Hat 3 advisories

  • RHSA-2019:3234 Released 2019-10-29 · Red Hat rating Important
    pango security update
    • Red Hat Enterprise Linux ComputeNode EUS (v. 7.6) pango-1.42.4-3.el7_6
    • Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6) pango-devel-1.42.4-3.el7_6, pango-tests-1.42.4-3.el7_6
    • Red Hat Enterprise Linux Server EUS (v. 7.6) pango-1.42.4-3.el7_6, pango-1.42.4-3.el7_6.ppc, pango-devel-1.42.4-3.el7_6 +1
    • Red Hat Enterprise Linux Server Optional EUS (v. 7.6) pango-tests-1.42.4-3.el7_6
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) pango-1.42.4-3.el7_6, pango-devel-1.42.4-3.el7_6
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) pango-tests-1.42.4-3.el7_6
  • RHSA-2019:2582 Released 2019-08-29 · Red Hat rating Important
    pango security update
    • Red Hat Enterprise Linux AppStream (v. 8) pango-1.42.4-5.el8_0, pango-devel-1.42.4-5.el8_0
  • RHSA-2019:2571 Released 2019-08-28 · Red Hat rating Important
    pango security update
    • Red Hat Enterprise Linux Client (v. 7) pango-1.42.4-4.el7_7
    • Red Hat Enterprise Linux Client Optional (v. 7) pango-devel-1.42.4-4.el7_7, pango-tests-1.42.4-4.el7_7
    • Red Hat Enterprise Linux ComputeNode (v. 7) pango-1.42.4-4.el7_7
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) pango-devel-1.42.4-4.el7_7, pango-tests-1.42.4-4.el7_7
    • Red Hat Enterprise Linux Server (v. 7) pango-1.42.4-4.el7_7, pango-1.42.4-4.el7_7.ppc, pango-devel-1.42.4-4.el7_7 +1
    • Red Hat Enterprise Linux Server Optional (v. 7) pango-tests-1.42.4-4.el7_7
    • Red Hat Enterprise Linux Workstation (v. 7) pango-1.42.4-4.el7_7, pango-devel-1.42.4-4.el7_7
    • Red Hat Enterprise Linux Workstation Optional (v. 7) pango-tests-1.42.4-4.el7_7

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2019:2582
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2019:2571
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2019:2571
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2019:2571
Red Hat Enterprise Linux ComputeNode EUS (v. 7.6)Fixed RHSA-2019:3234
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2019:2571
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6)Fixed RHSA-2019:3234
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2019:2571
Red Hat Enterprise Linux Server EUS (v. 7.6)Fixed RHSA-2019:3234
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2019:2571
Red Hat Enterprise Linux Server Optional EUS (v. 7.6)Fixed RHSA-2019:3234
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2019:2571
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2019:2571
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7)Fixed RHSA-2019:3234
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7)Fixed RHSA-2019:3234
Not affected: 2 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-1010238
  2. 2026-10-03 Alias added: GHSA-wwvc-98fq-c42m

References

Exploit 1

Patch 2

Advisory 11

  • TI-2011-00020 Heap-based buffer overflow in the pango_ft2_font_render_box_glyph function in… CVSS 2.0HIGH 7.6
  • TI-2011-02823 Heap-based buffer overflow in the Lookup_MarkMarkPos function in the HarfBuzz module… CVSS 2.0HIGH 9.3
  • TI-2018-10814 libpango in Pango 1.40.8 through 1.42.3, as used in hexchat and other products, allows… CVSS 3.1MEDIUM 6.5
  • TI-2011-00060 The hb_buffer_ensure function in hb-buffer.c in HarfBuzz, as used in Pango 1.28.3… CVSS 2.0MEDIUM 6.8
  • TI-2010-00399 Array index error in the hb_ot_layout_build_glyph_classes function in… CVSS 2.0MEDIUM 4.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences