---
title: "CVE-2010-0740\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-2010-0740?format=md
keywords: index, follow
---

# CVE-2010-0740

Publication date 26 March 2010

Last updated 4 August 2025

---

Ubuntu priority

**Medium**

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

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## Description

The ssl3\_get\_record function in ssl/s3\_pkt.c in OpenSSL 0.9.8f through
0.9.8m allows remote attackers to cause a denial of service (crash) via a
malformed record in a TLS connection that triggers a NULL pointer
dereference, related to the minor version number. NOTE: some of these
details are obtained from third party information.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2010-0740?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| openssl | 9.10 karmic | Not affected |
| 9.04 jaunty | Not affected |
| 8.10 intrepid | Not affected |
| 8.04 LTS hardy | Not affected |
| 6.06 LTS dapper | Not affected |

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* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)

## Notes

---

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

according to upstream, if 'short' is a 16-bit integer, this issue
applies only to OpenSSL 0.9.8m, otherwise it affects 0.9.8f through 0.9.8m.
Confirmed that on all releases of Ubuntu on all architectures that 'short' is
2 bytes. (8.10/sparc and 10.04/armel could not be checked)

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-0740)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2010-0740)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2010-0740)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2010-0740)

### Other references

* <http://www.openssl.org/news/secadv_20100324.txt>
* <https://www.cve.org/CVERecord?id=CVE-2010-0740>
