CVE-2026-115504

HIGH
MEDIUM Priority: 0.01 BB Relevance: 42/100
Published: 2026-10-22 Modified: 2026-10-29 First seen: 2026-10-29 Status: active

Attack Surface

Low Complexity No Auth Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Local
AC: Low
PR: None
UI: Passive
AT: None
VC: High
VI: High
VA: High

Description

CFITSIO through 4.7.0 contains an out-of-bounds write vulnerability in ffgcls2() in getcols.c that trusts attacker-controlled heap descriptor lengths for variable-length string columns. Attackers can supply a crafted FITS file that overflows a fixed 28,800-byte stack buffer and the caller's string array, enabling arbitrary code execution.

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
HEASARC cfitsio 0

Bug Bounty Relevance

42 / 100
✓ No authentication
✓ Low complexity

CVSS Score

8.5 / 10.0 v4.0
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

EPSS — Exploitation Probability

0.13%
Raw Score 0.001330
Percentile 2.8%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00133
2026-10-28
0.00133

Intelligence Sources

mitre ref →
nvd ref →