CVE-2022-48570
Crypto++ through 8.4 contains a timing side channel in ECDSA signature generation. Function...
Crypto++ through 8.4 contains a timing side channel in ECDSA signature generation. Function FixedSizeAllocatorWithCleanup could write to memory outside of the allocation if the allocated memory was not 16-byte aligned. NOTE: this issue exists because the CVE-2019-14318 fix was intentionally removed for functionality reasons.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Crypto++ through 8.4 contains a timing side channel in ECDSA signature generation. Function FixedSizeAllocatorWithCleanup could write to memory outside of the allocation if the allocated memory was not 16-byte aligned. NOTE: this issue exists because the CVE-2019-14318 fix was intentionally removed for functionality reasons.
- Record
CVE-2022-48570- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
CVE List No score
Crypto++ through 8.4 contains a timing side channel in ECDSA signature generation. Function FixedSizeAllocatorWithCleanup could write to memory outside of the allocation if the allocated memory was not 16-byte aligned. NOTE: this issue exists because the CVE-2019-14318 fix was intentionally removed for functionality reasons.
- Record
CVE-2022-48570- Updated
- 2026-11-02
EUVDEUVD-2022-51266 No score
Crypto++ through 8.4 contains a timing side channel in ECDSA signature generation. Function FixedSizeAllocatorWithCleanup could write to memory outside of the allocation if the allocated memory was not 16-byte aligned. NOTE: this issue exists because the CVE-2019-14318 fix was intentionally removed for functionality reasons.
- Record
EUVD-2022-51266- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mgx5-qmrg-fjwp
Crypto++ through 8.4 contains a timing side channel in ECDSA signature generation. Function...
Crypto++ through 8.4 contains a timing side channel in ECDSA signature generation. Function FixedSizeAllocatorWithCleanup could write to memory outside of the allocation if the allocated memory was not 16-byte aligned. NOTE: this issue exists because the CVE-2019-14318 fix was intentionally removed for functionality reasons.
- Record
GHSA-mgx5-qmrg-fjwp- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2022-48570
Crypto++ through 8.4 contains a timing side channel in ECDSA signature generation. Function FixedSizeAllocatorWithCleanup could write to memory outside of the allocation if the allocated memory was not 16-byte aligned. NOTE: this issue exists because the CVE-2019-14318 fix was intentionally removed for functionality reasons.
- Record
UBUNTU-CVE-2022-48570- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSV No score
Crypto++ through 8.4 contains a timing side channel in ECDSA signature generation. Function FixedSizeAllocatorWithCleanup could write to memory outside of the allocation if the allocated memory was not 16-byte aligned. NOTE: this issue exists because the CVE-2019-14318 fix was intentionally removed for functionality reasons.
- Record
CVE-2022-48570- Updated
- 2026-11-02
OSVDEBIAN-CVE-2022-48570 No score
Crypto++ through 8.4 contains a timing side channel in ECDSA signature generation. Function FixedSizeAllocatorWithCleanup could write to memory outside of the allocation if the allocated memory was not 16-byte aligned. NOTE: this issue exists because the CVE-2019-14318 fix was intentionally removed for functionality reasons.
- Record
DEBIAN-CVE-2022-48570- Updated
- 2026-11-03
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
libcrypto++Debian:12 |
All versions, plus listed versions 8.7.0+git220824-18.8.0-18.8.0-28.9.0-18.9.0-1.18.9.0-1.1~exp18.9.0-28.9.0-3 |
None known |
libcrypto++Debian:13 |
All versions, plus listed versions 8.9.0-28.9.0-3 |
None known |
libcrypto++Debian:14 |
All versions, plus listed versions 8.9.0-28.9.0-3 |
None known |
libcrypto++Ubuntu:Pro:14.04:LTS |
All versions, plus listed versions 5.6.1-65.6.1-6+deb8u1build0.14.04.15.6.1-6+deb8u3build0.14.04.15.6.1-6+deb8u3ubuntu0.1~esm1 |
None known |
libcrypto++Ubuntu:Pro:16.04:LTS |
All versions, plus listed versions 5.6.1-85.6.1-95.6.1-9ubuntu0.15.6.1-9ubuntu0.1+esm1 |
None known |
libcrypto++Ubuntu:18.04:LTS |
All versions, plus listed versions 5.6.4-8 |
None known |
libcrypto++Ubuntu:20.04:LTS |
All versions, plus listed versions 5.6.4-95.6.4-9build1 |
None known |
libcrypto++Ubuntu:22.04:LTS |
All versions, plus listed versions 8.4.0-18.6.0-2ubuntu1 |
None known |
libcrypto++Ubuntu:24.04:LTS |
All versions, plus listed versions 8.8.0-18.9.0-18.9.0-1.18.9.0-1.1build1 |
None known |
libcrypto++Ubuntu:25.10 |
All versions, plus listed versions 8.9.0-1.1build18.9.0-2 |
None known |
libcrypto++Ubuntu:26.10 |
All versions, plus listed versions 8.9.0-2build18.9.0-3 |
None known |
libcrypto++Ubuntu:26.04:LTS |
All versions, plus listed versions 8.9.0-28.9.0-2build1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-48570 is a high vulnerability (CVSS 7.5) in Cryptopp Crypto\+\+, published August 22, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.03%, the 63rd percentile. No source names a fixed version.
References
github.com/weidai11/cryptopp/releases/tag/CRYPTOPP_8_4_0
nvd.nist.gov/vuln/detail/CVE-2022-48570
security-tracker.debian.org/tracker/CVE-2022-48570
ubuntu.com/security/CVE-2022-48570
cve.org/CVERecord?id=CVE-2022-48570