CVE-2019-1010238: Gnome Pango 1.42 and later is affected by: Buffer Overflow

This week

CRITICAL 9.8REMOTEWATCHLISTUPGRADEDOWNGRADEMITIGATE

CVE-2019-1010238 is a critical-severity flaw (CVSS 9.8) affecting pango, sd-wan edge, fedora. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 this priority

Critical severity
EPSS top 6%: very likely to be exploited
Public exploit reference
Remotely exploitable, no login, no user action
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	6.3% (top 6%)
CISA exploited list	No
Weakness	CWE-787
Published	2019-07-19
Last modified	2026-06-17

Publisher (CNA): DWF · Vendor: canonical · debian · fedoraproject · gnome · oracle · redhat

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2019-07-19 17:15 UTCPublished CVE record published
2026-06-17 02:09 UTCUpdated Record last modified

gnome pango UPGRADE

Affected: >= 1.42.0 and <= 1.44

Fixed in: newer than 1.44

Safe to downgrade to: a release before 1.42.0

1. Check installed version

apt-cache policy pango || rpm -q pango || pango --version

2. UPGRADE to newer than 1.44 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade pango

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade pango

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 1.42.0 (Debian / Ubuntu)

apt-cache madison pango sudo apt install pango=<VERSION_BEFORE_1.42.0> sudo apt-mark hold pango

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list pango sudo dnf downgrade pango-<VERSION_BEFORE_1.42.0> sudo dnf versionlock add pango

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

oracle sd-wan edge DOWNGRADE

Affected: 7.3 · 8.0 · 8.1 · 8.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 7.3

1. Check installed version

apt-cache policy sd-wan-edge || rpm -q sd-wan-edge || sd-wan-edge --version

2. No fixed release: DOWNGRADE to a release before 7.3 (Debian / Ubuntu)

apt-cache madison sd-wan-edge sudo apt install sd-wan-edge=<VERSION_BEFORE_7.3> sudo apt-mark hold sd-wan-edge

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list sd-wan-edge sudo dnf downgrade sd-wan-edge-<VERSION_BEFORE_7.3> sudo dnf versionlock add sd-wan-edge

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

fedoraproject fedora MITIGATE

Affected: 29 · 30

Fixed in: no fixed release known

Safe to downgrade to: a release before 29

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

debian debian linux MITIGATE

Affected: 10.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 10.0

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

canonical ubuntu linux MITIGATE

Affected: 19.04

Fixed in: no fixed release known

Safe to downgrade to: a release before 19.04

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

redhat openshift container platform DOWNGRADE

Affected: 3.11 · 4.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.11

1. Check installed version

apt-cache policy openshift-container-platform || rpm -q openshift-container-platform || openshift-container-platform --version

2. No fixed release: DOWNGRADE to a release before 3.11 (Debian / Ubuntu)

apt-cache madison openshift-container-platform sudo apt install openshift-container-platform=<VERSION_BEFORE_3.11> sudo apt-mark hold openshift-container-platform

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list openshift-container-platform sudo dnf downgrade openshift-container-platform-<VERSION_BEFORE_3.11> sudo dnf versionlock add openshift-container-platform

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Exact fixes by distribution

A distro patch exists: prefer upgrading over downgrading.

Fedora ELN · python-discovery · FIXED · 1.9.0-1.eln159 · FEDORA-2026-7a881c0c99 · source

sudo dnf upgrade --advisory=FEDORA-2026-7a881c0c99

Fedora 46 · pipx · FIXED · 1.18.11-1.fc46 · FEDORA-2026-443a765287 · source

sudo dnf upgrade --advisory=FEDORA-2026-443a765287

Debian 12 · pango1.0 · FIXED · 1.42.4-7

sudo apt update && sudo apt install --only-upgrade pango1.0 dpkg --compare-versions "$(dpkg-query -W -f='${Version}' pango1.0)" ge "1.42.4-7" && echo PATCHED || echo STILL-VULNERABLE

Debian 13 · pango1.0 · FIXED · 1.42.4-7

sudo apt update && sudo apt install --only-upgrade pango1.0 dpkg --compare-versions "$(dpkg-query -W -f='${Version}' pango1.0)" ge "1.42.4-7" && echo PATCHED || echo STILL-VULNERABLE

RHEL 7 · pango · FIXED · pango-1.42.4-4.el7_7

sudo dnf upgrade --advisory=RHSA-2019:2571 rpm -q pango

RHEL 7.6 Extended Update Support · pango · FIXED · pango-1.42.4-3.el7_6

sudo dnf upgrade --advisory=RHSA-2019:3234 rpm -q pango

RHEL 8 · pango · FIXED · pango-1.42.4-5.el8_0

sudo dnf upgrade --advisory=RHSA-2019:2582 rpm -q pango

RHEL 5 · pango · NOT AFFECTED

RHEL 6 · pango · NOT AFFECTED

Alpine 3.20 · pango · FIXED · pango-1.44.1-r0

apk add --upgrade pango apk info -v pango

Alpine 3.21 · pango · FIXED · pango-1.44.1-r0

apk add --upgrade pango apk info -v pango

Alpine 3.22 · pango · FIXED · pango-1.44.1-r0

apk add --upgrade pango apk info -v pango

Alpine 3.23 · pango · FIXED · pango-1.44.1-r0

apk add --upgrade pango apk info -v pango

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Write-up: www.oracle.com/security-alerts/cpuapr2020.html

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2019-1010238?

pango: upgrade to newer than 1.44; sd-wan edge: downgrade or apply the listed mitigation; fedora: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2019-1010238 being exploited?

CVE-2019-1010238 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2019-1010238 affect?

CVE-2019-1010238 affects pango, sd-wan edge, fedora. Severity is critical (CVSS 9.8). 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 l

How urgent is CVE-2019-1010238?

Priority 73/100. Critical severity; EPSS top 6%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action; On your watchlist

Software pages

Ubuntu vulnerabilities · Debian vulnerabilities · Red Hat OpenShift vulnerabilities

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References

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