CVE-2019-1010238

FAUCET Score

CVE-2019-1010238 is a critical heap-based buffer overflow vulnerability affecting Gnome Pango 1.42 and later, impacting various Linux distributions including Canonical, Debian, Fedora, Oracle, and Red Hat. This flaw, residing in the pango_log2vis_get_embedding_levels function, can be triggered when applications process invalid UTF-8 strings, such as those passed to pango_itemize. With a CVSS score of 9.8 (Critical), the vulnerability allows for remote code execution with low attack complexity and no user interaction required. Despite its severity, there is currently no public exploit code available (Metasploit, Nuclei, ExploitDB), it is not listed in the KEV catalog, and has received minimal community discussion or media coverage.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		>= 1.42.0, <= 1.44CPE matchmatch criteria	cpe:2.3:a:gnome:pango::::::::
		7.3CPE matchmatch criteria	cpe:2.3:a:oracle:sd-wan_edge:7.3:::::::*
		8.0CPE matchmatch criteria	cpe:2.3:a:oracle:sd-wan_edge:8.0:::::::*
		8.1CPE matchmatch criteria	cpe:2.3:a:oracle:sd-wan_edge:8.1:::::::*
		8.2CPE matchmatch criteria	cpe:2.3:a:oracle:sd-wan_edge:8.2:::::::*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

Exploitability Score

3.9

Impact Score

5.9

CvssVersion

3.1

Exploit Intelligence

EPSS Score

6.27%

Probability of exploitation in next 30 days

EPSS Percentile

92.8%

Percentile rank of EPSS score among Peer Group

As of 2026-07-25

Model: v2026.06.15

This CVE's current EPSS score of 0.0627 is in the 87th percentile among its peer group of 36,833 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (8)

microsoftpatch availablevia msrc

Product: 16988-16823Fixed in: 1.45.5-1

microsoftpatch availablevia msrc

Product: cbl2 pango 1.45.5-1 on CBL Mariner 2.0Fixed in: 1.45.5-1

microsoftpatch availablevia msrc

Product: CBL Mariner 2.0 x64Fixed in: 1.45.5-1

microsoftpatch availablevia msrc

Product: CBL Mariner 2.0 ARMFixed in: 1.45.5-1

oraclepatch availablevia nvd_reference

View patch

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: pango-0:1.42.4-5.el8_0

View patch

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7Fixed in: pango-0:1.42.4-4.el7_7

View patch

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7.6 Extended Update SupportFixed in: pango-0:1.42.4-3.el7_6

View patch

Vendor Advisories (3)

microsoft2022-Apr/CVE-2019-1010238

CVE-2019-1010238

Apr 12, 2022

redhatCVE-2019-1010238Important

pango: pango_log2vis_get_embedding_levels() heap-based buffer overflow

Aug 6, 2019

microsoft2019-Jul/CVE-2019-1010238Critical

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.

Jul 9, 2019