CVE-2026-5342 | THREATINT

Description

A flaw has been found in LibRaw up to 0.22.0. This affects the function LibRaw::nikon_load_padded_packed_raw of the file src/decoders/decoders_libraw.cpp of the component TIFF/NEF. Executing a manipulation of the argument load_flags/raw_width can lead to out-of-bounds read. It is possible to launch the attack remotely. The exploit has been published and may be used. Upgrading to version 0.22.1 mitigates this issue. This patch is called b8397cd45657b84e88bd1202528d1764265f185c. It is advisable to upgrade the affected component.

PUBLISHED Reserved 2026-04-01 | Published 2026-04-02 | Updated 2026-04-07 | Assigner VulDB

MEDIUM: 6.9CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

MEDIUM: 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C

MEDIUM: 5.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C

5.0AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:OF/RC:C

Problem types

Out-of-Bounds Read

Memory Corruption

Timeline

2026-04-01:	Advisory disclosed
2026-04-01:	VulDB entry created
2026-04-07:	VulDB entry last update

Credits

biniam (VulDB User) reporter

References

vuldb.com/vuln/354671 (VDB-354671 | LibRaw TIFF/NEF decoders_libraw.cpp nikon_load_padded_packed_raw out-of-bounds) vdb-entry technical-description

vuldb.com/vuln/354671/cti (VDB-354671 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/submit/781223 (Submit #781223 | LibRaw 0.22.0 Out-of-Bounds Read) third-party-advisory

github.com/LibRaw/LibRaw/issues/795 issue-tracking

github.com/biniamf/pocs/tree/main/libraw_nikonpadded exploit

github.com/...ommit/b8397cd45657b84e88bd1202528d1764265f185c patch

github.com/LibRaw/LibRaw/releases/tag/0.22.1 patch

github.com/LibRaw/LibRaw/ product

cve.org (CVE-2026-5342)

nvd.nist.gov (CVE-2026-5342)

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