
CVE catalog
CVE-2026-107373
libextutils-typemaps-default-perl: CVE-2026-107373
- Severity
- Critical · CVSS 9.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.39% · Oct 25, 2026
ExtUtils::Typemaps::STL::String versions before 1.06 for Perl T_STD_STRING typemap may read the SV length before stringifying the argument. The typemap uses $var = std::string( SvPV_nolen($arg), SvCUR($arg) ) However, evaluation order for C++ arguments is not specified, and some compilers may produce code that evalutes SvCUR($arg) first. When $arg is not a string (for example, an interger, number or a reference) then SvCUR will return an invalid value, and the program may abort or segfault.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | libextutils-typemaps-default-perl | sid | 1.07-1 | fixed |
| Debian | libextutils-typemaps-default-perl | forky | 1.07-1 | fixed |
| Debian | libextutils-typemaps-default-perl | trixie | 1.05-5 | vulnerable |
| Debian | libextutils-typemaps-default-perl | bookworm | 1.05-5 | vulnerable |
| Ubuntu | libextutils-typemaps-default-perl | 16.04 | 1.05-2 | vulnerable |
| Ubuntu | libextutils-typemaps-default-perl | 18.04 | 1.05-2 | vulnerable |
| Ubuntu | libextutils-typemaps-default-perl | 20.04 | 1.05-2 | vulnerable |
| Ubuntu | libextutils-typemaps-default-perl | 22.04 | 1.05-2.1 | vulnerable |
| Ubuntu | libextutils-typemaps-default-perl | 24.04 | 1.05-5 | vulnerable |
| Ubuntu | libextutils-typemaps-default-perl | 26.10 | 1.05-5 | vulnerable |
| Ubuntu | libextutils-typemaps-default-perl | 26.04 | 1.05-5 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | libextutils-typemaps-default-perl | source | sid | 1.07-1 | not yet assigned | Not reported | [1150541] |
| Debian | libextutils-typemaps-default-perl | source | forky | 1.07-1 | not yet assigned | Not reported | [1150541] |
| Debian | libextutils-typemaps-default-perl | source | trixie | (unfixed) | not yet assigned | Not reported | [1150541] |
| Debian | libextutils-typemaps-default-perl | source | bookworm | (unfixed) | not yet assigned | Not reported | [1150541] |
Notes
[trixie] libextutils-typemaps-default-perl: Minor issue
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libextutils-typemaps-default-perl]Affected
Details (2)
1.05-5· all · bookwormAffected
dsa · libextutils-typemaps-default-perl · debian · bookworm; dsa · libextutils-typemaps-default-perl · debian · 12
1.05-5· all · bookwormAffected
dsa · libextutils-typemaps-default-perl · debian · bookworm; dsa · libextutils-typemaps-default-perl · debian · 12
[Debian 13 (Trixie)]
- [libextutils-typemaps-default-perl]Affected
Details (2)
1.05-5· all · trixieAffected
dsa · libextutils-typemaps-default-perl · debian · 13
1.05-5· all · trixieAffected
dsa · libextutils-typemaps-default-perl · debian · 13
Observed:
References
- [https://nvd.nist.gov/vuln/detail/CVE-2026-107373]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-107373]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2026-107373]
- [https://security-tracker.debian.org/tracker/CVE-2026-107373]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-107373.json]
[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]