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Fencer Vulns
critical 9.6

CVE-2023-51698 json

Atril's CBT comic book parsing vulnerable to Remote Code Execution

published 2024-01-12 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-56398

cvss
9.6
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.4%
EPSS 2.4% chance of exploitation in 30 days, percentile 83%
public exploits
0
none known

Summary

Atril is a simple multi-page document viewer. Atril is vulnerable to a critical Command Injection Vulnerability. This vulnerability gives the attacker immediate access to the target system when the target user opens a crafted document or clicks on a crafted link/URL using a maliciously crafted CBT document which is a TAR archive. A patch is available at commit ce41df6.

Patch / fix

  • atril Debian 12 1.26.0-2+deb12u2
  • atril Debian 14, Debian 13 1.26.1-4
  • evince Debian 13, Debian 12 3.25.92-1

debian advisories DEBIAN-CVE-2023-51698

  • atril Ubuntu 20.04 LTS 1.24.0-1ubuntu0.2
  • atril Ubuntu 22.04 LTS 1.26.0-1ubuntu1.2
  • atril Ubuntu Pro 18.04 LTS 1.20.1-2ubuntu2+esm2

ubuntu advisories UBUNTU-CVE-2023-51698

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

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-2023-51698 updated cvss 9.6

atril: vulnerable to Command Injection Vulnerability

  • Red Hat All currently supported Red Hat products
    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

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
total
Assessed
2 y ago

Exploit prediction

2.36% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/mate-desktop/atril/security/advisories/GHSA-34rr-j8v9-v4p2 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 9.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

  • mate-desktop atril

Classification

Weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

Sources

Fencer Vulns 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.