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Fencer Vulns
medium 5.4

CVE-2025-30089 json

gurk (aka gurk-rs) mishandles ANSI escape sequences

published 2025-03-16 19 mo ago modified 2026-06-17 4 mo ago also GHSA-89xp-c3mq-qj84 , EUVD-2025-6594

cvss
5.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 21%
public exploits
0
none known

Summary

gurk (aka gurk-rs) through 0.6.3 mishandles ANSI escape sequences.

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
19 mo ago

Exploit prediction

0.29% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/boxdot/gurk-rs/issues/384 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 5.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:L
GitHub 3.1 5.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:L

Affected packages

ecosystem package affected fixed in
crates.io gurk
<=0.6.3
no fix listed

Affected products

  • boxdot gurk

Classification

Weakness
  • CWE-150 Improper Neutralization of Escape, Meta, or Control Sequences

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.