CVE-2017-5357: Use After Free
First published: Thu Feb 16 2017(Updated: )
regex.c in GNU ed before 1.14.1 allows attackers to cause a denial of service (crash) via a malformed command, which triggers an invalid free.
Credit: security@debian.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Fedora | =25 | |
| GNU ed | <=1.14 |
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Reference Links
- http://www.openwall.com/lists/oss-security/2017/01/12/5
- http://www.openwall.com/lists/oss-security/2017/01/12/6
- http://www.openwall.com/lists/oss-security/2017/01/12/7
- http://www.openwall.com/lists/oss-security/2017/01/13/3
- http://www.securityfocus.com/bid/95422
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZVH54XNZ77ICNBJTPI2DLJYQTA3SYSFC/
- https://lists.gnu.org/archive/html/bug-ed/2017-01/msg00000.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZVH54XNZ77ICNBJTPI2DLJYQTA3SYSFC/
Frequently Asked Questions
What is the severity of CVE-2017-5357?
CVE-2017-5357 has a severity level classified as medium, due to its potential to cause a denial of service.
How do I fix CVE-2017-5357?
To fix CVE-2017-5357, upgrade GNU ed to version 1.14.1 or later.
What versions of GNU ed are affected by CVE-2017-5357?
Versions of GNU ed prior to 1.14.1 are affected by CVE-2017-5357.
Can CVE-2017-5357 lead to data loss?
CVE-2017-5357 primarily causes a denial of service, but it does not directly lead to data loss.
Is CVE-2017-5357 specific to any operating systems?
CVE-2017-5357 affects GNU ed across various operating systems, including Fedora version 25.
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- version/fedora/25
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- version/gnu ed/1.14