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Fencer Vulns
critical 9.8

CVE-2020-35605 json

The Graphics Protocol feature in graphics.c in kitty before 0.19.3 allows remote attackers to execute arbitrary code because a filename con…

published 2020-12-21 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-23271

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.8%
EPSS 3.8% chance of exploitation in 30 days, percentile 89%
public exploits
0
none known

Summary

The Graphics Protocol feature in graphics.c in kitty before 0.19.3 allows remote attackers to execute arbitrary code because a filename containing special characters can be included in an error message.

Patch / fix

  • kovidgoyal kitty 0.19.3
  • kitty Debian 14, Debian 13, Debian 12 0.19.3-1

debian advisories DEBIAN-CVE-2020-35605

  • kitty Ubuntu 20.04 LTS 0.15.0-1ubuntu0.2

ubuntu advisories UBUNTU-CVE-2020-35605

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

  • kitty openSUSE Tumbleweed 0.21.2-1.2
  • kitty openSUSE Leap 15.2 0.16.0-lp152.2.3.1

opensuse advisories openSUSE-SU-2024:10896-1openSUSE-SU-2021:0025-1

  • kitty Arch Linux 0.19.3-1

arch linux advisories AVG-1378

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-2020-35605 updated cvss 7.5

kitty: RCE because of filename containing special characters can be included in an error message

  • 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

Exploit prediction

3.76% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/kovidgoyal/kitty/issues/3128 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

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.