CVE-2019-20326
gthumb - security update
A heap-based buffer overflow in _cairo_image_surface_create_from_jpeg() in extensions/cairo_io/cairo-image-surface-jpeg.c in GNOME gThumb before 3.8.3 and Linux Mint Pix before 2.4.5 allows attackers to cause a crash and potentially execute arbitrary code via a crafted JPEG file.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
7.8
A heap-based buffer overflow in _cairo_image_surface_create_from_jpeg() in extensions/cairo_io/cairo-image-surface-jpeg.c in GNOME gThumb before 3.8.3 and Linux Mint Pix before 2.4.5 allows attackers to cause a crash and potentially execute arbitrary code via a crafted JPEG file.
- Record
CVE-2019-20326- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-787
- Updated
- 2026-11-02
CVE List No score
A heap-based buffer overflow in _cairo_image_surface_create_from_jpeg() in extensions/cairo_io/cairo-image-surface-jpeg.c in GNOME gThumb before 3.8.3 and Linux Mint Pix before 2.4.5 allows attackers to cause a crash and potentially execute arbitrary code via a crafted JPEG file.
- Record
CVE-2019-20326- Updated
- 2026-11-02
EUVDEUVD-2019-10880 No score
A heap-based buffer overflow in _cairo_image_surface_create_from_jpeg() in extensions/cairo_io/cairo-image-surface-jpeg.c in GNOME gThumb before 3.8.3 and Linux Mint Pix before 2.4.5 allows attackers to cause a crash and potentially execute arbitrary code via a crafted JPEG file.
- Record
EUVD-2019-10880- Updated
- 2026-11-03
OSV
7.8
A heap-based buffer overflow in _cairo_image_surface_create_from_jpeg() in extensions/cairo_io/cairo-image-surface-jpeg.c in GNOME gThumb before 3.8.3 and Linux Mint Pix before 2.4.5 allows attackers to cause a crash and potentially execute arbitrary code via a crafted JPEG file.
- Record
CVE-2019-20326- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2019-20326
7.8
A heap-based buffer overflow in _cairo_image_surface_create_from_jpeg() in extensions/cairo_io/cairo-image-surface-jpeg.c in GNOME gThumb before 3.8.3 and Linux Mint Pix before 2.4.5 allows attackers to cause a crash and potentially execute arbitrary code via a crafted JPEG file.
- Record
DEBIAN-CVE-2019-20326- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2019-20326
7.8
A heap-based buffer overflow in _cairo_image_surface_create_from_jpeg() in extensions/cairo_io/cairo-image-surface-jpeg.c in GNOME gThumb before 3.8.3 and Linux Mint Pix before 2.4.5 allows attackers to cause a crash and potentially execute arbitrary code via a crafted JPEG file.
- Record
UBUNTU-CVE-2019-20326- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Show 4 moreShow less
OSVMGASA-2020-0056 No score
Updated gthumb packages fix security vulnerability
A heap-based buffer overflow in _cairo_image_surface_create_from_jpeg() in extensions/cairo_io/cairo-image-surface-jpeg.c in gThumb and Pix allows attackers to cause a crash and potentially execute arbitrary code via a crafted JPEG file (CVE-2019-20326).
- Record
MGASA-2020-0056- Updated
- 2026-11-02
OSVMGASA-2021-0090 No score
Updated pix packages fix a security vulnerability
A heap-based buffer overflow in _cairo_image_surface_create_from_jpeg() in extensions/cairo_io/cairo-image-surface-jpeg.c in Linux Mint Pix before 2.4.5 allows attackers to cause a crash and potentially execute arbitrary code via a crafted JPEG file (CVE-2019-20326).
- Record
MGASA-2021-0090- Updated
- 2026-11-02
OSVUSN-5680-1 No score
gThumb vulnerabilities
It was discovered that gThumb did not properly managed memory when processing certain image files. If a user were tricked into opening a specially crafted JPEG file, an attacker could possibly use this issue to cause gThumb to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2019-20326)
It was discovered that gThumb did not properly handled certain malformed image files. If a user were tricked into opening a specially crafted JPEG file, an attacker could possibly use this issue to cause gThumb to crash, resulting in a denial of service. (CVE-2020-36427)
- Record
USN-5680-1- Updated
- 2026-11-02
OSVUSN-5681-1 No score
gThumb vulnerabilities
It was discovered that gThumb did not properly managed memory under certain circumstances. An attacker could possibly use this issue to cause gThumb to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2018-18718)
It was discovered that gThumb did not properly managed memory when processing certain image files. If a user were tricked into opening a specially crafted JPEG file, an attacker could possibly use this issue to cause gThumb to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2019-20326)
It was discovered that gThumb did not properly handled certain malformed image files. If a user were tricked into opening a specially crafted JPEG file, an attacker could possibly use this issue to cause gThumb to crash, resulting in a denial of service. (CVE-2020-36427)
- Record
USN-5681-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
gthumbDebian:12 |
before 3:3.8.3-0.1 | 3:3.8.3-0.1 |
gthumbDebian:13 |
before 3:3.8.3-0.1 | 3:3.8.3-0.1 |
gthumbDebian:14 |
before 3:3.8.3-0.1 | 3:3.8.3-0.1 |
gthumbDebian:8 |
before 3:3.3.1-2.1+deb8u2, plus listed versions 3:3.3.1-23:3.3.1-2.1+deb8u1 |
3:3.3.1-2.1+deb8u2 |
gthumbDebian:9 |
before 3:3.4.4.1-5+deb9u2, plus listed versions 3:3.4.4.1-53:3.4.4.1-5+deb9u1 |
3:3.4.4.1-5+deb9u2 |
gthumbMageia:7 |
before 3.7.2-2.1.mga7 | 3.7.2-2.1.mga7 |
pixMageia:7 |
before 2.4.11-1.mga7 | 2.4.11-1.mga7 |
gthumbUbuntu:Pro:16.04:LTS |
before 3:3.4.3-1ubuntu0.1~esm1, plus listed versions 3:3.3.1.is.3.2.8-0ubuntu33:3.4.1-23:3.4.1-33:3.4.1-43:3.4.3-1 |
3:3.4.3-1ubuntu0.1~esm1 |
gthumbUbuntu:Pro:18.04:LTS |
before 3:3.6.1-1ubuntu0.1~esm1, plus listed versions 3:3.5.2-2ubuntu13:3.5.3-13:3.5.4-13:3.6.0-13:3.6.0-23:3.6.0-33:3.6.0-43:3.6.1-1 |
3:3.6.1-1ubuntu0.1~esm1 |
gthumbUbuntu:20.04:LTS |
before 3:3.8.0-2.1ubuntu0.1, plus listed versions 3:3.8.0-23:3.8.0-2.13:3.8.0-2.1build1 |
3:3.8.0-2.1ubuntu0.1 |
gthumbUbuntu:20.04:LTS From an advisory covering 2 CVEs |
before 3:3.8.0-2.1ubuntu0.1, plus listed versions 3:3.8.0-23:3.8.0-2.13:3.8.0-2.1build1 |
3:3.8.0-2.1ubuntu0.1 |
gthumbUbuntu:Pro:16.04:LTS From an advisory covering 3 CVEs |
before 3:3.4.3-1ubuntu0.1~esm1, plus listed versions 3:3.3.1.is.3.2.8-0ubuntu33:3.4.1-23:3.4.1-33:3.4.1-43:3.4.3-1 |
3:3.4.3-1ubuntu0.1~esm1 |
gthumbUbuntu:Pro:18.04:LTS From an advisory covering 3 CVEs |
before 3:3.6.1-1ubuntu0.1~esm1, plus listed versions 3:3.5.2-2ubuntu13:3.5.3-13:3.5.4-13:3.6.0-13:3.6.0-23:3.6.0-33:3.6.0-43:3.6.1-1 |
3:3.6.1-1ubuntu0.1~esm1 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | Fysac/CVE-2019-20326 | 2020-01-03 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-20326 is a high vulnerability (CVSS 7.8) in Debian Linux, published January 13, 2020. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 2.19%, the 82nd percentile. Fixed in gthumb 3:3.8.3-0.1.
References
gitlab.gnome.org/GNOME/gthumb/commit/4faa5ce2358812d23a1147953ee76f59631590ad
gitlab.gnome.org/GNOME/gthumb/commit/ca8f528209ab78935c30e42fe53bdf1a24f3cb44
gitlab.gnome.org/GNOME/gthumb/commits/master/extensions/cairo_io/cairo-image-surface-jpeg.c
github.com/Fysac/CVE-2019-20326
security.gentoo.org/glsa/202008-05
lists.debian.org/debian-lts-announce/2021/08/msg00027.html
Show 13 moreShow less
security-tracker.debian.org/tracker/CVE-2019-20326
advisories.mageia.org/MGASA-2020-0056.html
bugs.mageia.org/show_bug.cgi?id=26084
debian.org/lts/security/2020/dla-2066
advisories.mageia.org/MGASA-2021-0090.html
bugs.mageia.org/show_bug.cgi?id=27908
ubuntu.com/security/CVE-2019-20326
gitlab.gnome.org/GNOME/gthumb/commit/14860321ce3235d420498c4f81f21003d1fb78f4
ubuntu.com/security/notices/USN-5680-1
ubuntu.com/security/notices/USN-5681-1
cve.org/CVERecord?id=CVE-2019-20326
ubuntu.com/security/CVE-2020-36427
ubuntu.com/security/CVE-2018-18718