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OpenAdvisories
Medium · 5.6 CVE-2026-59857 EUVD-2026-42751

Vim: Out-of-bounds Write in SAL Soundfolding

Published Jul 9, 2026 · Updated Jul 10, 2026 · Assigned by GitHub_M

Description

Vim is an open source, command line text editor. Prior to 9.2.0725, the single-byte branch of spell_soundfold_sal() in src/spell.c translates a word through a spell file's SAL sound-folding rules into a caller-owned result buffer, but its result writes are guarded with reslen < MAXWLEN, allowing reslen to reach MAXWLEN before res[reslen] = NUL writes one byte past the end of the MAXWLEN-element stack buffer. A boundary-length word passed to soundfold(), or reached via sound-based spell suggestion while a SAL-based spell language is active under a non-multibyte 8-bit encoding, can corrupt the eval_soundfold() stack frame and crash the editor. This issue is fixed in version 9.2.0725.

Affected products

VendorProductAffectedFixed
vim vim < 9.2.0725 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 vim 2:9.2.0782-1 —
Debian 13 vim 2:9.1.1230-2+deb13u1 —
Debian 12 vim No fix yet —
ReleasePackageFixed inAdvisory
Ubuntu 26.04 LTS vim 2:9.1.2141-1ubuntu4.7 USN-8541-1
Ubuntu 24.04 LTS vim 2:9.1.0016-1ubuntu7.18 USN-8541-1
Ubuntu 22.04 LTS vim 2:8.2.3995-1ubuntu2.34 USN-8541-1
Show 4 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu Pro 20.04 LTS vim 2:8.1.2269-1ubuntu5.32+esm10 USN-8541-1
Ubuntu Pro 18.04 LTS vim 2:8.0.1453-1ubuntu1.13+esm22 USN-8541-1
Ubuntu Pro 16.04 LTS vim 2:7.4.1689-3ubuntu1.5+esm37 USN-8541-1
Ubuntu Pro 14.04 LTS vim 2:7.4.052-1ubuntu3.1+esm31 USN-8541-1
ReleasePackageFixed inAdvisory
RHEL 10 vim +3 2:9.1.083-9.el10_2.20 RHSA-2026:66336
RHEL 9 vim +3 2:8.2.2637-26.el9_8.21 RHSA-2026:66366
RHEL 8 vim +3 2:8.0.1763-31.el8_10.7 RHSA-2026:66348
Show 1 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Red Hat Hardened Images 1 vim +8 2:9.2.780-1.hum1 RHSA-2026:35387

AlmaLinux

Errata ↗
ReleasePackageFixed inAdvisory
AlmaLinux 10 xxd +6 2:9.1.083-9.el10_2.20 ALSA-2026:66336
AlmaLinux 9 vim-X11 +4 2:8.2.2637-26.el9_8.21 ALSA-2026:66366
AlmaLinux 8 vim-X11 +4 2:8.0.1763-31.el8_10.7 ALSA-2026:66348

Rocky Linux

Errata ↗
ReleasePackageFixed inAdvisory
Rocky Linux 10 vim 2:9.1.083-9.el10_2.20 RLSA-2026:66336
Rocky Linux 9 vim 2:8.2.2637-26.el9_8.21 RLSA-2026:66366
Rocky Linux 8 vim 2:8.0.1763-31.el8_10.7 RLSA-2026:66348
ReleasePackageFixed inAdvisory
SLES 15 SP7 vim 9.2.0780-150500.20.61.2 SUSE-SU-2026:3458-1
SLES 15 SP6 vim 9.2.0780-150500.20.61.2 SUSE-SU-2026:3458-1
SLES 15 SP5 vim 9.2.0780-150500.20.61.2 SUSE-SU-2026:3458-1
SLES 15 SP4 vim 9.2.0780-150000.5.99.1 SUSE-SU-2026:3271-1
SLES 12 SP5 vim 9.2.0780-17.73.1 SUSE-SU-2026:3237-1
Show 13 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES for SAP 16.0 vim 9.2.0780-160000.1.1 SUSE-SU-2026:22821-1
SLES for SAP 15 SP6 vim 9.2.0780-150500.20.61.2 SUSE-SU-2026:3458-1
SLES for SAP 15 SP5 vim 9.2.0780-150500.20.61.2 SUSE-SU-2026:3458-1
SLES for SAP 15 SP4 vim 9.2.0780-150000.5.99.1 SUSE-SU-2026:3271-1
SLES 16.0 vim 9.2.0780-160000.1.1 SUSE-SU-2026:22821-1
SLE Micro 6.2 vim 9.2.0780-160000.1.1 SUSE-SU-2026:22754-1, SUSE-SU-2026:22740-1
SLE Micro 6.1 vim 9.2.0780-slfo.1.1_1.1 SUSE-SU-2026:22901-1
SLE Micro 6.0 vim 9.2.0780-1.1 SUSE-SU-2026:22797-1
SLE Micro 5.5 vim 9.2.0780-150500.20.61.2 SUSE-SU-2026:3458-1
SLE Micro 5.4 vim 9.2.0780-150000.5.99.1 SUSE-SU-2026:3271-1
SLE Micro 5.3 vim 9.2.0780-150000.5.99.1 SUSE-SU-2026:3271-1
SLE HPC 15 SP5 vim 9.2.0780-150500.20.61.2 SUSE-SU-2026:3458-1
SLE HPC 15 SP4 vim 9.2.0780-150000.5.99.1 SUSE-SU-2026:3271-1
ReleasePackageFixed inAdvisory
openSUSE Leap 16.0 vim 9.2.0780-160000.1.1 openSUSE-SU-2026:21374-1
ReleasePackageFixed inAdvisory
Alpine v3.24 vim 9.2.0725-r0 —
Alpine v3.23 vim 9.2.0854-r0 —

Amazon Linux

ReleasePackageFixed inAdvisory
Amazon Linux 2023 xxd +6 2:9.2.780-1.amzn2023.0.1 ALAS2023-2026-1993
Amazon Linux 2 xxd +6 2:9.0.2153-1.amzn2.0.11 ALAS2-2026-3883

Advisories 23

References