CVE catalog
CVE-2026-77781
Tie::Hash::Regex versions before 2.0.0 for Perl will throw an exception on unparseable lookup keys. The FETCH, EXISTS and DELETE methods throw an exception when on malformed regular expressions. Eac
- Severity
- High · CVSS 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 0.61% · Oct 25, 2026
Tie::Hash::Regex versions before 2.0.0 for Perl will throw an exception on unparseable lookup keys. The FETCH, EXISTS and DELETE methods throw an exception when on malformed regular expressions. Each method falls back to a regex match when the key is not already stored in the hash, compiling the caller's key with a bare qr// and no eval guard. A key that is not a valid regular expression pattern, such as a single unmatched bracket, dies. An application that looks up externally supplied strings in a tied hash will die on an invalid key.
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 | libtie-hash-regex-perl | sid | 1.14-3 | fixed |
| Debian | libtie-hash-regex-perl | forky | 1.14-3 | fixed |
| Debian | libtie-hash-regex-perl | trixie | 1.14-2 | vulnerable |
| Debian | libtie-hash-regex-perl | bookworm | 1.14-2 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | libtie-hash-regex-perl | source | sid | 1.14-3 | not yet assigned | Not reported | Not reported |
| Debian | libtie-hash-regex-perl | source | forky | 1.14-3 | not yet assigned | Not reported | Not reported |
| Debian | libtie-hash-regex-perl | source | trixie | (unfixed) | not yet assigned | Not reported | Not reported |
| Debian | libtie-hash-regex-perl | source | bookworm | (unfixed) | not yet assigned | Not reported | Not reported |
Notes
[trixie] libtie-hash-regex-perl: Minor issue [bookworm] libtie-hash-regex-perl: Minor issue
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libtie-hash-regex-perl]Affected
Details (2)
1.14-2· all · bookwormAffected
nvd · libtie-hash-regex-perl · debian · bookworm
1.14-2· all · bookwormAffected
nvd · libtie-hash-regex-perl · debian · bookworm
Observed: