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Fencer Intel
critical 9.8

CVE-2019-6978 json

The GD Graphics Library (aka LibGD) 2.2.5 has a double free in the gdImage*Ptr() functions in gd_gif_out.c, gd_jpeg.c, and gd_wbmp.c.

published 7y ago modified 4mo ago also EUVD-2019-16530

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.5%
EPSS 4.5% chance of exploitation in 30 days, percentile 91%
public exploits
0
none known

Summary

The GD Graphics Library (aka LibGD) 2.2.5 has a double free in the gdImage*Ptr() functions in gd_gif_out.c, gd_jpeg.c, and gd_wbmp.c. NOTE: PHP is unaffected.

Patch / fix

  • libgd2 Debian 14, Debian 13, Debian 12 2.2.5-5.1

debian advisories DEBIAN-CVE-2019-6978

  • libgd2 Ubuntu 14.04 LTS 2.1.0-3ubuntu0.11
  • libgd2 Ubuntu 16.04 LTS 2.1.1-4ubuntu0.16.04.11
  • libgd2 Ubuntu 18.04 LTS 2.2.5-4ubuntu0.3

ubuntu advisories UBUNTU-CVE-2019-6978

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

  • gd RHEL 8 2.2.5-7.el8
  • libwmf RHEL 7 0.2.8.4-44.el7
  • libwmf-lite RHEL 7 0.2.8.4-44.el7
  • libwmf RHEL 8 0.2.9-8.el8_0
  • libwmf-lite RHEL 8 0.2.9-8.el8_0

red hat advisories RHSA-2020:4659RHSA-2020:3943RHSA-2019:2722

  • libwmf SLE Workstation Extension 12 SP5, SLE Software Development Kit 12 SP5 0.2.12-243.3.1
  • libwmf SLE Workstation Extension 15 SP3, SLE Module for Package Hub 15 SP4, openSUSE Leap 15.4 +1 more 0.2.12-150000.4.4.1
  • gd SLE Module for Desktop Applications 15, SLE Module for Basesystem 15 2.2.5-4.6.1
  • gd SLES for SAP 12 SP4, SLES for SAP 12 SP3, SLES 12 SP4 +7 more 2.1.0-24.12.1
  • php53 SLES for SAP 11 SP4, SLES 11 SP4, SLE Software Development Kit 11 SP4 5.3.17-112.53.1
  • php7 SLE Software Development Kit 12 SP4, SLE Software Development Kit 12 SP3, SLE Module for Web and Scripting 12 7.0.7-50.63.1

suse advisories SUSE-SU-2022:1560-1SUSE-SU-2022:1516-1SUSE-SU-2019:0771-1SUSE-SU-2019:0747-1SUSE-SU-2019:13961-1SUSE-SU-2019:0333-1

  • gd openSUSE Tumbleweed 2.3.3-1.1
  • gd openSUSE Leap 15.0 2.2.5-lp150.8.1

opensuse advisories openSUSE-SU-2024:10777-1openSUSE-SU-2019:1148-1

  • gd AlmaLinux 8 2.2.5-7.el8
  • libwmf AlmaLinux 8 0.2.9-8.el8_0
  • libwmf-lite AlmaLinux 8 0.2.9-8.el8_0

almalinux advisories ALSA-2020:4659ALSA-2019:2722

  • gd Rocky Linux 8 2.2.5-7.el8
  • libwmf Rocky Linux 8 0.2.9-8.el8_0

rocky linux advisories RLSA-2020:4659RLSA-2019:2722

  • gd Alpine 3.24, Alpine 3.23, Alpine 3.22 +16 more 2.2.5-r2

alpine advisories ALPINE-CVE-2019-6978

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

  • gd Arch Linux 2.2.5-2

arch linux advisories AVG-865

Is CVE-2019-6978 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

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-2019-6978 updated cvss 5.3

gd: Double free in the gdImage*Ptr in gd_gif_out.c, gd_jpeg.c, and gd_wbmp.c

  • Red Hat Enterprise Linux 5 gd, libwmf Red Hat Enterprise Linux 6 gd, libwmf, gd-progs, libwmf-lite
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux 7 gd, gd-progs
    affected: no fix available “Fix deferred”
  • Red Hat CodeReady Linux Builder (v. 8) libwmf-devel 0.2.9-8.el8_0, libwmf-debuginfo 0.2.9-8.el8_0, libwmf-debugsource 0.2.9-8.el8_0, libwmf-lite-debuginfo 0.2.9-8.el8_0 Red Hat Enterprise Linux AppStream (v. 8) gd 2.2.5-7.el8, libwmf 0.2.9-8.el8_0, libwmf-lite 0.2.9-8.el8_0
    fixed: vendor fix RHSA-2019:2722
  • Red Hat Enterprise Linux Client (v. 7) libwmf 0.2.8.4-44.el7, libwmf-lite 0.2.8.4-44.el7 Red Hat Enterprise Linux Client Optional (v. 7) libwmf-devel 0.2.8.4-44.el7, libwmf-debuginfo 0.2.8.4-44.el7 Red Hat Enterprise Linux ComputeNode Optional (v. 7) libwmf 0.2.8.4-44.el7, libwmf-lite 0.2.8.4-44.el7 Red Hat Enterprise Linux Server (v. 7) libwmf 0.2.8.4-44.el7, libwmf-lite 0.2.8.4-44.el7 Red Hat Enterprise Linux Server Optional (v. 7) libwmf 0.2.8.4-44.el7 Red Hat Enterprise Linux Workstation (v. 7) libwmf 0.2.8.4-44.el7, libwmf-lite 0.2.8.4-44.el7
    +1 more products
    Red Hat Enterprise Linux Workstation Optional (v. 7) libwmf-devel 0.2.8.4-44.el7, libwmf-debuginfo 0.2.8.4-44.el7
    fixed: vendor fix RHSA-2020:3943
  • Red Hat Enterprise Linux 5 php, php53 Red Hat Enterprise Linux 6 php, php-gd, php-cli, php-dba, php-fpm, php-pdo, +20 more Red Hat Enterprise Linux 7 php, php-gd, php-cli, php-dba, php-fpm, php-pdo, +18 more Red Hat Enterprise Linux 8 php, libzip, php-gd, php-cli, php-dba, php-dbg, +30 more Red Hat Software Collections rh-php70-php, rh-php71-php, rh-php70-php-gd, rh-php71-php-gd, rh-php70-php-cli, rh-php70-php-dba, +52 more
    not affected: vulnerable code not present

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

4.45% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

References

Sources

Fencer Intel 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.