Buffer overflow in GNOME Gthumb
CVE-2019-20326
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.021 (81.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000
Affected products
- GNOME Gthumb
- Linuxmint Pix
- Debian Linux — versions 9.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- gitlab.gnome.org/GNOME/gthumb/commit/4faa5ce2358812d23a1147953ee76f59631590ad (Patch, Vendor Advisory)
- gitlab.gnome.org/GNOME/gthumb/commit/ca8f528209ab78935c30e42fe53bdf1a24f3cb44 (Vendor Advisory)
- gitlab.gnome.org/GNOME/gthumb/commits/master/extensions/cairo_io/cairo-image-su… (Vendor Advisory)
- github.com/Fysac/CVE-2019-20326 (Exploit, Third Party Advisory)
- security.gentoo.org/glsa/202008-05 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2021/08/msg00027.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-20326?
- CVE-2019-20326 is a high-severity vulnerability in GNOME Gthumb, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2020-03-16.
- How severe is CVE-2019-20326?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2019-20326 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.