libgphoto2 through 2.5.34 Heap Out-of-Bounds Read/Write via jl2005c Thumbnail Conversion
CVSS score
5.2
EPSS probability
—
Risk score
0.5
Published
2 h ago
Etkilenen ürün ve sürüm için yayımlanan güvenlik güncellemesini uygulayın.
Impact on My Inventory
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Vulnerability description
DayBreach AI Explanation
Verified against sourcesSources read
1
Source agreement
Tam uyum
Evidence confidence
%55
Short explanation
libgphoto2 through 2.5.34 contains a heap out-of-bounds read and write vulnerability in jl2005bcd_decompress(). Malicious USB cameras can corrupt heap memory through oversized thumbnail processing.
This vulnerability allows malicious USB cameras to leak heap contents in preview images and corrupt memory integrity.
What should be done?
- Apply the verified patch references and commits
- Follow vendor advisories for updates
- Update libgphoto2 to a fixed version
Chain of evidence and sources
libgphoto2 2.5.34 ve önceki sürümler, jl2005bcd_decompress fonksiyonunda heap sınır dışı okuma ve yazma zafiyeti içermektedir.
Zafiyet için doğrulanmış yama veya düzeltilmiş sürüm kanıtı mevcuttur.
Show the technical text from the sources
libgphoto2 through 2.5.34 contains a heap out-of-bounds read and write vulnerability in jl2005bcd_decompress() that allows malicious USB cameras to corrupt heap memory via oversized thumbnail processing. Attackers can supply small allocation-table values and a thumbnail header byte so in-place byte-swapping exceeds the buffer by about 30 KB, leaking heap contents in preview images.
CVSS vector: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N
CWE: CWE-787
This explanation was compiled automatically from the source records. Scores, active exploitation, patch and exploit status come straight from the sources.
IMPACT: Affected Products and Software
Affected Products
The following products are affected by CVE-2026-120452 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.
| ID | VENDOR | PRODUCT | ACTION |
|---|---|---|---|
| 1 | gPhoto | libgphoto2 | View |
RED HAT CSAF/VEX: Product Impact Check
SCORING: CVSS from Multiple Sources
CVSS Scores
The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.
| SCORE | VERSION | SEVERITY | VECTOR | SOURCE |
|---|---|---|---|---|
| 5.4 | CVSS V31 | MEDIUM | CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H | NVD |
| 5.4 | CVSS V3_1 | MEDIUM | CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H | CVE CNA |
| 5.2 | CVSS V40 | MEDIUM | CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/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 | NVD |
| 5.2 | CVSS V4_0 | MEDIUM | CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N | CVE CNA |
Patch and Remediation Guide
Solution & Remediation Advisory
4 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.
Public exploit and active exploitation status
Verified exploit intelligence
No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.
Weakness Classification and Attack Patterns (CWE & CAPEC)
CWE - Common Weakness Enumeration
While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-120452 is associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-120452 weaknesses.
Attack Vector and Accessibility
Official Sources and Advisories
Similar Vulnerabilities
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