---
title: "CVE-2010-1633\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2010-1633?format=md
keywords: index, follow
---

# CVE-2010-1633

Publication date 3 June 2010

Last updated 4 August 2025

---

Ubuntu priority

**Medium**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

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## Description

RSA verification recovery in the EVP\_PKEY\_verify\_recover function in
OpenSSL 1.x before 1.0.0a, as used by pkeyutl and possibly other
applications, returns uninitialized memory upon failure, which might allow
context-dependent attackers to bypass intended key requirements or obtain
sensitive information via unspecified vectors. NOTE: some of these details
are obtained from third party information.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2010-1633?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| openssl | 10.04 LTS lucid | Not affected |
| 9.10 karmic | Not affected |
| 9.04 jaunty | Not affected |
| 8.04 LTS hardy | Not affected |
| 6.06 LTS dapper | Not affected |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)
* [Patch details](https://ubuntu.com/security/CVE-2010-1633?format=md#patch-details)

## Notes

---

### [mdeslaur](https://launchpad.net/~mdeslaur)

1.x only

### Patch details

For informational purposes only. We recommend not to cherry-pick updates. [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)

| Package | Patch details |
| --- | --- |
| openssl | * Upstream:   <http://cvs.openssl.org/chngview?cn=19693> * Upstream:   <http://cvs.openssl.org/filediff?f=openssl/crypto/rsa/rsa_pmeth.c&v1=1.34&v2=1.34.2.1> |

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-1633)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2010-1633)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2010-1633)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2010-1633)

### Other references

* <http://www.openssl.org/news/secadv_20100601.txt>
* <https://www.cve.org/CVERecord?id=CVE-2010-1633>