---
id: CVE-2026-120451
title: libgphoto2 through 2.5.34 Buffer Overflow via jl2005c Camera Driver
summary: >-
  libgphoto2 through 2.5.34 contains stack-based and heap-based buffer overflow
  vulnerabilities in jl2005c_init() that allow malicious USB devices to corrupt
  memory by supplying an unbounded allocation table entry count. Attackers can
  conn…
severity: medium
cvss: 6.8
cvssVector: 'CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cvssSource: cna
cwe:
  - CWE-787
vendor: gPhoto
product: libgphoto2
affected:
  - libgphoto2 <= 2.5.34
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-11-06T19:33:10.344301Z'
exploitAvailable: true
published: '2026-11-02'
updated: '2026-11-06'
sourceUpdated: '2026-11-06T19:33:49.177Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-120451'
references:
  - url: 'https://github.com/gphoto/libgphoto2/issues/1326'
  - url: >-
      https://github.com/gphoto/libgphoto2/commit/af3b8e9c542cda863fb5f2f3cfeb261bd78e4442
  - url: >-
      https://github.com/gphoto/libgphoto2/commit/6a3393dd996502457ab965432cf0b2035278825e
  - url: >-
      https://github.com/gphoto/libgphoto2/blob/v2.5.34/camlibs/jl2005c/jl2005c.c#L138-L154
  - url: >-
      https://hackmd.io/@haindpwn/libgphoto2-jl2005c-init-alloc-table-buffer-overflow
  - url: >-
      https://www.vulncheck.com/advisories/libgphoto2-through-2.5.34-buffer-overflow-via-jl2005c-camera-driver
    label: >-
      VulnCheck Advisory: libgphoto2 through 2.5.34 Buffer Overflow via jl2005c
      Camera Driver
tags:
  - cve.org
  - exploit-available
epss: 0.00225
epssPercentile: 0.1328
ingestedAt: '2026-11-05T19:30:42.659Z'
---

## Overview

libgphoto2 through 2.5.34 contains stack-based and heap-based buffer overflow vulnerabilities in jl2005c_init() that allow malicious USB devices to corrupt memory by supplying an unbounded allocation table entry count. Attackers can connect a spoofed Jeilin JL2005B/C/D camera reporting 1022 or more entries to overwrite the saved return address and heap data, potentially achieving code execution.

## Affected

- `libgphoto2 <= 2.5.34`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.