CVE-2017-17517

high

Published 2017-12-14 · Modified 2026-05-13

CVSS v3

8.8

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

CVSS v2

6.8

VIR risk

8.8

Description

libsylph/utils.c in Sylpheed through 3.6 does not validate strings before launching the program specified by the BROWSER environment variable, which might allow remote attackers to conduct argument-injection attacks via a crafted URL.

Predictions

Exploit likelihood

92%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2017-17517

OS impact

OS	Version	Status
debian	bookworm	affected
debian	bullseye	affected
debian	trixie	affected

Application impact

Vendor	Product	Versions	Fixed
sylpheed_project	sylpheed	`{"endIncluding":"3.6"}`

References

https://security-tracker.debian.org/tracker/CVE-2017-17517

CWEs

CWE-74

Verify integrity in audit chain (admin only). AS-IS.