Dashboard / CVE-2026-120457

CVE-2026-120457

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 37/100
Published: 2026-11-02 Modified: 2026-11-02 First seen: 2026-11-02 Status: active

Attack Surface

Low Complexity No Auth

CVSS Vector Breakdown

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

Description

libaec through 1.1.7 contains an out-of-bounds read vulnerability in m_se_decode() in src/decode.c that allows attackers to bypass a signed bounds check via an overlong fundamental sequence. Attackers can supply a crafted CCSDS 121.0/SZIP stream with 2^31 or more zero bits to crash the decoder or leak adjacent memory into decoded samples.

Weakness Classification (1)

Affected Software (2)

VendorProductVersion
Deutsches Klimarechenzentrum libaec 0
Deutsches Klimarechenzentrum libaec 0

References & Advisories (6)

Bug Bounty Relevance

37 / 100
✓ No authentication
✓ Low complexity

CVSS Score

5.8 / 10.0 v4.0
CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS — Exploitation Probability

0.24%
Raw Score 0.002400
Percentile 15.3%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00240
2026-11-12
0.00240
2026-11-10
0.00240
2026-11-09
0.00240
2026-11-08
0.00240
2026-11-07
0.00240
2026-11-06
0.00240
2026-11-05
0.00240
2026-11-04
0.00240
2026-11-03
0.00240

Intelligence Sources

mitre ref →
nvd ref →

External Links