PT-2023-31717 · Crypto+++2 · Crypto+++2

Tomato42 · Published 2023-12-18 · Updated 2026-01-14 · CVE-2023-50979

Positive Technologies (AI Summary)

CVSS v3.1

5.9

Medium

Base vector

AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions Crypto++ versions through 8.9.0

Description The issue is related to a Marvin side channel during decryption with PKCS#1 v1.5 padding.

Recommendations For versions through 8.9.0, update to a version that contains a fix for this issue to prevent exploitation.

Exploit

Fix

Side Channel Attack

Weakness Enumeration

CWE-203

Related Identifiers

CVE-2023-50979

OPENSUSE-SU-2026:10047-1

SUSE-SU-2025:4310-1

SUSE-SU-2025_4310-1

Affected Products

Crypto++

Debian

Suse

References · 13

• 🔥 https://github.com/weidai11/cryptopp/issues/1247 · Exploit
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-50979 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-50979 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-50979 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-50979 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-50979 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2026:10047-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-50979 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:4310-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-50979 · Security Note
• https://suse.com/security/cve/CVE-2023-50979 · Note
• https://suse.com/support/update/announcement/2025/suse-su-20254310-1 · Note
• https://bugzilla.suse.com/1218217 · Note