CVE-2026-40341 | gphoto libgphoto2 up to 2.5.33 ptp_unpack_EOS_FocusInfoEx buffer over-read (GHSA-vjx3-gjp6-r2g2)

VDB-358167 · CVE-2026-40341 · GHSA-VJX3-GJP6-R2G2 GPHOTO LIBGPHOTO2 UP TO 2.5.33 PTP_UNPACK_EOS_FOCUSINFOEX BUFFER OVER-READ HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 3.8 $0-$5k 1.91+ Summaryinfo A vulnerability was found in gphoto libgphoto2 up to 2.5.33. It has been classified as problematic. The impacted element is the function ptp_unpack_EOS_FocusInfoEx. Performing a manipulation results in buffer over-read. This vulnerability is reported as CVE-2026-40341. The attack may be carried out on the physical device. No exploit exists. It is recommended to apply a patch to fix this issue. Detailsinfo A vulnerability, which was classified as problematic, was found in gphoto libgphoto2 up to 2.5.33. This affects the function ptp_unpack_EOS_FocusInfoEx. The manipulation with an unknown input leads to a buffer over-read vulnerability. CWE is classifying the issue as CWE-126. The product reads from a buffer using buffer access mechanisms such as indexes or pointers that reference memory locations after the targeted buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is: libgphoto2 is a camera access and control library. In versions up to and including 2.5.33, an out of bound read in ptp_unpack_EOS_FocusInfoEx could be used to crash libgphoto2 when processing input from untrusted USB devices. Commit c385b34af260595dfbb5f9329526be5158985987 contains a patch. No known workarounds are available. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-40341 since 04/11/2026. The exploitability is told to be easy. Attacking locally is a requirement. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit. Applying the patch c385b34af260595dfbb5f9329526be5158985987 is able to eliminate this problem. The bugfix is ready for download at github.com. Productinfo Vendor gphoto Name libgphoto2 Version 2.5.0 2.5.1 2.5.2 2.5.3 2.5.4 2.5.5 2.5.6 2.5.7 2.5.8 2.5.9 2.5.10 2.5.11 2.5.12 2.5.13 2.5.14 2.5.15 2.5.16 2.5.17 2.5.18 2.5.19 2.5.20 2.5.21 2.5.22 2.5.23 2.5.24 2.5.25 2.5.26 2.5.27 2.5.28 2.5.29 2.5.30 2.5.31 2.5.32 2.5.33 License open-source Website Product: https://github.com/gphoto/libgphoto2/ CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 3.9 VulDB Meta Temp Score: 3.8 VulDB Base Score: 4.3 VulDB Temp Score: 4.1 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 3.5 CNA Vector (GitHub_M): 🔒 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Buffer over-read CWE: CWE-126 / CWE-119 CAPEC: 🔒 ATT&CK: 🔒 Physical: Yes Local: Yes Remote: No Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: Patch Status: 🔍 0-Day Time: 🔒 Patch: c385b34af260595dfbb5f9329526be5158985987 Timelineinfo 04/11/2026 CVE reserved 04/18/2026 +7 days Advisory disclosed 04/18/2026 +0 days VulDB entry created 04/18/2026 +0 days VulDB entry last update Sourcesinfo Product: github.com Advisory: GHSA-vjx3-gjp6-r2g2 Status: Confirmed CVE: CVE-2026-40341 (🔒) GCVE (CVE): GCVE-0-2026-40341 GCVE (VulDB): GCVE-100-358167 Entryinfo Created: 04/18/2026 09:02 Changes: 04/18/2026 09:02 (65) Complete: 🔍 Cache ID: 99:897:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸