An issue in CrossWire Xiphos <= 4.3.2 allows a local attacker to execute arbitrary code via the src/main/url.cc and src/gtk/menu_popup.c co…

published 2026-09-21 49 d ago modified 2026-09-22 47 d ago also EUVD-2026-84185

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 8%
public exploits: 0; none known

An issue in CrossWire Xiphos <= 4.3.2 allows a local attacker to execute arbitrary code via the src/main/url.cc and src/gtk/menu_popup.c components

Patch / fix

distros 1 links 1

xiphos Debian 14 4.4.0+dfsg1-1

debian advisories DEBIAN-CVE-2026-79079

github.com/crosswire/xiphos#1314 commit

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-2026-79079 updated 2026-10-31 cvss 7.8

xiphos: Xiphos: Arbitrary code execution via URL handling and menu popup components

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: no
Technical impact: total
Assessed: 47 d ago (2026-09-22)

Exploit prediction

0.19% chance of exploitation in the next 30 days, higher than 8% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

gist.github.com https://gist.github.com/lggcs/c1f98ce55ced44472651b9590d9f199a referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

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

Classification

Weakness

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

References

Sources

CVE List CVE-2026-79079
NVD CVE-2026-79079

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.

Summary