CVE-2023-6277

MEDIUM
MEDIUM Priority: 0.12 BB Relevance: 63/100
Published: 2023-11-24 Modified: 2026-11-05 First seen: 2026-11-05 Status: active

Attack Surface

Network Low Complexity No Auth

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: Required
S: Unchanged
C: None
I: None
A: High

Description

An out-of-memory flaw was found in libtiff. Passing a crafted tiff file to TIFFOpen() API may allow a remote attacker to cause a denial of service via a craft input with size smaller than 379 KB.

Affected Software (2)

VendorProductVersion
fedoraproject fedora 38
libtiff libtiff -

Bug Bounty Relevance

63 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity

CVSS Score

6.5 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS — Exploitation Probability

1.82%
Raw Score 0.018250
Percentile 79.2%
Date 2026-11-14

EPSS Trend

2026-11-14
0.01825
2026-11-13
0.01825
2026-11-12
0.01825
2026-11-10
0.01825
2026-11-09
0.01825
2026-11-08
0.01825
2026-11-07
0.01825
2026-11-06
0.01825
2026-11-05
0.01825
2026-11-04
0.01825

Intelligence Sources

mitre ref →
nvd ref →