CVE-2025-43962: In LibRaw before 0.21.4, phase_one_correct in decoders/load_mfbacks.cpp has out-of-bounds reads for tag 0x412 processing, related to large w0 or w1 values or…

PriorityP341critical9.1CVSS 3.1

AVNACLPRNUINSUCHINAH

EPSS

0.42%

34.3th percentile

In LibRaw before 0.21.4, phase_one_correct in decoders/load_mfbacks.cpp has out-of-bounds reads for tag 0x412 processing, related to large w0 or w1 values or the frac and mult calculations.

Affected

11 ranges

Vendor	Product	Version range	Fixed in
debian	libraw	< libraw 0.20.2-2.1+deb12u1 (bookworm)	libraw 0.20.2-2.1+deb12u1 (bookworm)
libraw	libraw	< 0.21.4	0.21.4
libraw	libraw	>= 0 < 0.20.2-1+deb11u2	0.20.2-1+deb11u2
libraw	libraw	>= 0 < 0.20.2-2.1+deb12u1	0.20.2-2.1+deb12u1
libraw	libraw	>= 0 < 0.21.4-1	0.21.4-1
libraw	libraw	>= 0 < 0.21.4-1	0.21.4-1
libraw	libraw	>= 0 < 0.19.5-1ubuntu1.4	0.19.5-1ubuntu1.4
libraw	libraw	>= 0 < 0.20.2-2ubuntu2.22.04.2	0.20.2-2ubuntu2.22.04.2
libraw	libraw	>= 0 < 0.21.2-2.1ubuntu0.24.04.1	0.21.2-2.1ubuntu0.24.04.1
libraw	libraw	>= 0 < 0.17.1-1ubuntu0.5+esm1	0.17.1-1ubuntu0.5+esm1
libraw	libraw	>= 0 < 0.18.8-1ubuntu0.4+esm1	0.18.8-1ubuntu0.4+esm1

CVSS provenance

nvdv3.19.1CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

osv9.1CRITICAL

vendor_debian2.9LOW

vendor_redhat2.9LOW

vendor_ubuntu2.9LOW

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