CVE-2026-30909
Crypt::NaCl::Sodium versions through 2.002 for Perl has potential integer overflows
- State
- Published
- Severity
- 9.8 Critical
- Published
- Mar 8, 2026
- Updated
- Mar 10, 2026
- Reserved
- Mar 7, 2026
Description
Crypt::NaCl::Sodium versions through 2.002 for Perl has potential integer overflows.
bin2hex, encrypt, aes256gcm_encrypt_afternm and seal functions do not check that output size will be less than SIZE_MAX, which could lead to integer wraparound causing an undersized output buffer.
Encountering this issue is unlikely as the message length would need to be very large.
For bin2hex() the bin_len would have to be > SIZE_MAX / 2 For encrypt() the msg_len would need to be > SIZE_MAX - 16U For aes256gcm_encrypt_afternm() the msg_len would need to be > SIZE_MAX - 16U For seal() the enc_len would need to be > SIZE_MAX - 64U
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 9.8 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | CISA-ADP |
Weaknesses
- CWE-190 Integer Overflow or Wraparound
Affected Products
| Product | Versions |
|---|---|
Crypt::NaCl::SodiumTIMLEGGE |
|
References
- https://metacpan.org/release/TIMLEGGE/Crypt-NaCl-Sodium-2.002/source/Sodium.xs#L2116
- https://metacpan.org/release/TIMLEGGE/Crypt-NaCl-Sodium-2.002/source/Sodium.xs#L2310
- https://metacpan.org/release/TIMLEGGE/Crypt-NaCl-Sodium-2.002/source/Sodium.xs#L3304
- https://metacpan.org/release/TIMLEGGE/Crypt-NaCl-Sodium-2.002/source/Sodium.xs#L942
- https://github.com/cpan-authors/crypt-nacl-sodium/pull/24.patchpatch
- https://metacpan.org/release/TIMLEGGE/Crypt-NaCl-Sodium-2.003/source/Changesrelease-notes
- http://www.openwall.com/lists/oss-security/2026/03/08/1
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