CVE-2026-40341— libgphoto2 has an OOB Read in ptp_unpack_EOS_FocusInfoEx
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I. Basic Information for CVE-2026-40341
Vulnerability Information
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Vulnerability Title
libgphoto2 has an OOB Read in ptp_unpack_EOS_FocusInfoEx
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
缓冲区上溢读取
Source: NVD (National Vulnerability Database)
Vulnerability Title
libgphoto2 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
libgphoto2是gPhoto开源的一个数码相机访问与控制库。 libgphoto2 2.5.33及之前版本存在安全漏洞，该漏洞源于ptp_unpack_EOS_FocusInfoEx函数存在越界读取，可能导致处理不受信任USB设备输入时崩溃。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| gphoto | libgphoto2 | <= 2.5.33 | - |
II. Public POCs for CVE-2026-40341
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|---|
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Same Patch Batch · gphoto · 2026-04-17 · 8 CVEs total
| CVE-2026-40340 | 6.1 MEDIUM | libgphoto2 has OOB read in ptp_unpack_OI() in ptp-pack.c via malicious PTP ObjectInfo resp |
| CVE-2026-40333 | 6.1 MEDIUM | libgphoto2 has OOB read in ptp_unpack_EOS_ImageFormat() and ptp_unpack_EOS_CustomFuncEx() |
| CVE-2026-40339 | 5.2 MEDIUM | libgphoto2 has OOB read in ptp_unpack_Sony_DPD() FormFlag parsing in ptp-pack.c |
| CVE-2026-40338 | 5.2 MEDIUM | libgphoto2 has OOB read in ptp_unpack_Sony_DPD() enumeration count parsing in ptp-pack.c |
| CVE-2026-40335 | 5.2 MEDIUM | libgphoto2 has OOB read in ptp_unpack_DPV() UINT128/INT128 handling in ptp-pack.c |
| CVE-2026-40334 | 3.5 LOW | libgphoto2 missing null termination in ptp_unpack_Canon_FE() filename buffer in ptp-pack.c |
| CVE-2026-40336 | 2.4 LOW | libgphoto2 has memory leak in ptp_unpack_Sony_DPD() secondary enumeration list in ptp-pack |
IV. Related Vulnerabilities
Same product: libgphoto2
- CVE-2026-40340
libgphoto2 has OOB read in ptp_unpack_OI() in ptp-pack.c via - CVE-2026-40339
libgphoto2 has OOB read in ptp_unpack_Sony_DPD() FormFlag pa - CVE-2026-40338
libgphoto2 has OOB read in ptp_unpack_Sony_DPD() enumeration - CVE-2026-40336
libgphoto2 has memory leak in ptp_unpack_Sony_DPD() secondar - CVE-2026-40335
libgphoto2 has OOB read in ptp_unpack_DPV() UINT128/INT128 h
Same vendor: gphoto
- CVE-2026-40340
libgphoto2 has OOB read in ptp_unpack_OI() in ptp-pack.c via - CVE-2026-40339
libgphoto2 has OOB read in ptp_unpack_Sony_DPD() FormFlag pa - CVE-2026-40338
libgphoto2 has OOB read in ptp_unpack_Sony_DPD() enumeration - CVE-2026-40336
libgphoto2 has memory leak in ptp_unpack_Sony_DPD() secondar - CVE-2026-40335
libgphoto2 has OOB read in ptp_unpack_DPV() UINT128/INT128 h
V. Comments for CVE-2026-40341
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