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CVE-2019-14452

25
FAUCET Score

CVE-2019-14452 is a directory traversal vulnerability affecting Sigil before version 0.9.16, as well as related Canonical and FlightCrew products. This flaw allows an unauthenticated attacker to write arbitrary files to a system by crafting a malicious ZIP archive containing "dot dot slash" (../) sequences that are mishandled during extraction. Rated with a CVSS score of 7.5 (HIGH), the vulnerability has a low attack complexity and can lead to high integrity impact, though confidentiality and availability are not directly affected. The attack vector is network-based, meaning no user interaction is required. Currently, there is no evidence of active exploitation, nor are there publicly available exploit modules in Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage for this CVE are minimal, indicating a low level of public awareness.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.9.16CPE matchmatch criteria
cpe:2.3:a:sigil-ebook:sigil:*:*:*:*:*:*:*:*
>= 0.9.2CPE matchmatch criteria
cpe:2.3:a:flightcrew_project:flightcrew:*:*:*:*:*:sigil:*:*
16.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
18.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
19.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
3.69%
Probability of exploitation in next 30 days
EPSS Percentile
88.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0369 is in the 80th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / Sigil-Ebook/flightcrew/issues/52
Third Party Advisory
github.com / Sigil-Ebook/flightcrew/issues/52
Third Party Advisory
github.com / Sigil-Ebook/Sigil/commit/04e2f280cc4a0766bedcc7b9eb56449ceecc2ad4
PatchThird Party Advisory
github.com / Sigil-Ebook/Sigil/commit/0979ba8d10c96ebca330715bfd4494ea0e019a8f
PatchThird Party Advisory
github.com / Sigil-Ebook/Sigil/commit/369eebe936e4a8c83cc54662a3412ce8bef189e4
PatchThird Party Advisory
github.com / Sigil-Ebook/Sigil/compare/ea7f27d...5b867e5
Third Party Advisory
github.com / Sigil-Ebook/Sigil/releases/tag/0.9.16
Release NotesThird Party Advisory
salvatoresecurity.com / zip-slip-in-sigil-cve-2019-14452
usn.ubuntu.com / 4085-1
Third Party Advisory