CVE-2023-51698: Atril's CBT comic book parsing vulnerable to Remote Code Execution

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2024-01-12 · updated 2026-06-17
Weakness: CWE-78

Description

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.

Affected products

mate-desktop atril: through 1.26.3

References

https://github.com/mate-desktop/atril/commit/ce41df6467521ff9fd4f16514ae7d6ebb62eb1ed
https://github.com/mate-desktop/atril/security/advisories/GHSA-34rr-j8v9-v4p2
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OT3UIQOSZ6UNH5QTFOOY2DJ4MITM2C2C/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OZKXNZ3HGH6KH65OEKVCEAOZJWNZ32FQ/
https://github.com/mate-desktop/atril/commit/ce41df6467521ff9fd4f16514ae7d6ebb62eb1ed
https://github.com/mate-desktop/atril/security/advisories/GHSA-34rr-j8v9-v4p2
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OT3UIQOSZ6UNH5QTFOOY2DJ4MITM2C2C/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OZKXNZ3HGH6KH65OEKVCEAOZJWNZ32FQ/

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