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Fencer Vulns
high 7.8

CVE-2024-7788 json

Signatures in "repair mode" should not be trusted

published 2024-09-17 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-48649

cvss
7.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 9%
public exploits
0
none known

Summary

Improper Digital Signature Invalidation  vulnerability in Zip Repair Mode of The Document Foundation LibreOffice allows Signature forgery vulnerability in LibreOfficeThis issue affects LibreOffice: from 24.2 before < 24.2.5.

Patch / fix

  • The Document Foundation LibreOffice < 24.2.5
  • thedocumentfoundation libreoffice 24.2.5
  • libreoffice Debian 12 4:7.4.7-1+deb12u5
  • libreoffice Debian 14, Debian 13 4:24.2.5-1

debian advisories DEBIAN-CVE-2024-7788

  • libreoffice Ubuntu 20.04 LTS 1:6.4.7-0ubuntu0.20.04.12
  • libreoffice Ubuntu 22.04 LTS 1:7.3.7-0ubuntu0.22.04.7
  • libreoffice Ubuntu 24.04 LTS 4:24.2.5-0ubuntu0.24.04.2

ubuntu advisories UBUNTU-CVE-2024-7788

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-2024-7788 updated cvss 7.8

libreoffice: improper digital signature invalidation vulnerability

  • Red Hat Enterprise Linux 6 autocorr-af, autocorr-bg, autocorr-ca, autocorr-cs, autocorr-da, autocorr-de, +60 more Red Hat Enterprise Linux 7 autocorr-af, autocorr-bg, autocorr-ca, autocorr-cs, autocorr-da, autocorr-de, +105 more Red Hat Enterprise Linux 8 autocorr-af, autocorr-bg, autocorr-ca, autocorr-cs, autocorr-da, autocorr-de, +98 more Red Hat Enterprise Linux 9 autocorr-af, autocorr-bg, autocorr-ca, autocorr-cs, autocorr-da, autocorr-de, +101 more
    affected: workaround, no fix planned “Do not try to recover or open an untrusted document.”

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
none
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

0.20% chance of exploitation in the next 30 days, higher than 9% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

  • The Document Foundation LibreOffice
  • thedocumentfoundation libreoffice

Classification

Weakness
  • CWE-347 Improper Verification of Cryptographic Signature

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.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.