CVE-2023-40359
published 2023-08-14CVE-2023-40359: xterm before 380 supports ReGIS reporting for character-set names even if they have unexpected characters (i.e., neither alphanumeric nor underscore), aka a…
PriorityP345critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
0.73%
49.8th percentile
xterm before 380 supports ReGIS reporting for character-set names even if they have unexpected characters (i.e., neither alphanumeric nor underscore), aka a pointer/overflow issue. This can only occur for xterm installations that are configured at compile time to use a certain experimental feature.
Affected
5 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | xterm | < xterm 382-2 (forky) | xterm 382-2 (forky) |
| invisible-island | xterm | < 380 | 380 |
| invisible-island | xterm | >= 0 < 382-2 | 382-2 |
| invisible-island | xterm | >= 0 < 382-2 | 382-2 |
| msrc | cbl2_xterm_380-1_on_cbl_mariner_2.0 | — | — |
CVSS provenance
nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
osv9.8CRITICAL
vendor_debian9.8LOW
vendor_msrc9.8CRITICAL
vendor_redhat9.8CRITICAL
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Red Hat
xterm: ReGIS reporting for character-set names containing characters other than alphanumerics or underscore.
vendor_redhat·2023-08-14·CVSS 9.8
CVE-2023-40359 [CRITICAL] xterm: ReGIS reporting for character-set names containing characters other than alphanumerics or underscore.
xterm: ReGIS reporting for character-set names containing characters other than alphanumerics or underscore.
xterm before 380 supports ReGIS reporting for character-set names even if they have unexpected characters (i.e., neither alphanumeric nor underscore), aka a pointer/overflow issue. This can only occur for xterm installations that are configured at compile time to use a certain experimental feature.
Statement: Red Hat does not configure xterm using the experimental ReGIS option.
Package: xterm (Red Hat Enterprise Linux 7) - Out of support scope
Package: xterm (Red Hat Enterprise Linux 8) - Not affected
Package: xterm (Red Hat Enterprise Linux 9) - Not affected
Microsoft
xterm before 380 supports ReGIS reporting for character-set names even if they have unexpected characters (i.e. neither alphanumeric nor underscore) aka a pointer/overflow issue. This can only occur f
vendor_msrc·2023-08-08·CVSS 9.8
CVE-2023-40359 [CRITICAL] xterm before 380 supports ReGIS reporting for character-set names even if they have unexpected characters (i.e. neither alphanumeric nor underscore) aka a pointer/overflow issue. This can only occur f
xterm before 380 supports ReGIS reporting for character-set names even if they have unexpected characters (i.e. neither alphanumeric nor underscore) aka a pointer/overflow issue. This can only occur for xterm installations that are configured at compile time to use a certain experimental feature.
FAQ: Is Azure Linux the only Microsoft product that includes this open-source library and is therefore potentially affected by this vulnerability?
One of the main benefits to our customers who choose to use the Azure Linux distro is the commitment to keep it up to date with the most recent and most secure versions of the open source libraries with which the distro is composed. Microsoft is committed to transparency in this work which is why we began publishing CSAF/VEX in October 2025. See this b
Debian
CVE-2023-40359: xterm - xterm before 380 supports ReGIS reporting for character-set names even if they h...
vendor_debian·2023·CVSS 9.8
CVE-2023-40359 [CRITICAL] CVE-2023-40359: xterm - xterm before 380 supports ReGIS reporting for character-set names even if they h...
xterm before 380 supports ReGIS reporting for character-set names even if they have unexpected characters (i.e., neither alphanumeric nor underscore), aka a pointer/overflow issue. This can only occur for xterm installations that are configured at compile time to use a certain experimental feature.
Scope: local
bookworm: open
bullseye: open
forky: resolved (fixed in 382-2)
sid: resolved (fixed in 382-2)
trixie: resolved (fixed in 382-2)
OSV
CVE-2023-40359: xterm before 380 supports ReGIS reporting for character-set names even if they have unexpected characters (i
osv·2023-08-14·CVSS 9.8
CVE-2023-40359 [CRITICAL] CVE-2023-40359: xterm before 380 supports ReGIS reporting for character-set names even if they have unexpected characters (i
xterm before 380 supports ReGIS reporting for character-set names even if they have unexpected characters (i.e., neither alphanumeric nor underscore), aka a pointer/overflow issue. This can only occur for xterm installations that are configured at compile time to use a certain experimental feature.
GHSA
GHSA-cwvr-vg72-6p6j: xterm before 380 supports ReGIS reporting for character-set names even if they have unexpected characters (i
ghsa_unreviewed·2023-08-14
CVE-2023-40359 [CRITICAL] GHSA-cwvr-vg72-6p6j: xterm before 380 supports ReGIS reporting for character-set names even if they have unexpected characters (i
xterm before 380 supports ReGIS reporting for character-set names even if they have unexpected characters (i.e., neither alphanumeric nor underscore), aka a pointer/overflow issue.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2023-08-14
Published