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TI-2026-23735 Aliases CVE-2026-30909GHSA-qqmj-w4wh-9w2h

Integer overflow in TIMLEGGE Crypt::NaCl::Sodium

Priority MEDIUM 50CWE-190Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-190 and the CVSS impact.

Summary

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00588 48th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
TIMLEGGECrypt::NaCl::Sodiumup to 2.002—No fix listedCNA
  • Crypt::NaCl::Sodium VendorTIMLEGGE Affected up to 2.002 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:timlegge:crypt\:\:nacl\:\:sodium:*:*:*:*:*:perl:*:* nacl\VulnerableTIMLEGGE
  • cpe:2.3:a:timlegge:crypt\:\:nacl\:\:sodium:*:*:*:*:*:perl:*:* Versions nacl\ Vulnerable ·TIMLEGGE

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-30909
  2. 2026-10-03 Alias added: GHSA-qqmj-w4wh-9w2h
  3. 2026-10-25 EPSS moved to the below the 50th percentile

References

Patch 1

Advisory 1

Other 5

  • TI-2026-02211 Integer overflow in TIMLEGGE Crypt::NaCl::Sodium CVSS 3.1CRITICAL 9.1
  • TI-2025-01575 Perl's Crypt::Random module after 1.05 and before 1.56 may use rand() function for cryptographic functions CVSS 3.1HIGH 8.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences