CVE-2020-11958: Buffer Overflow
First published: Tue Apr 21 2020(Updated: )
Last updated 24 July 2024
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/re2c | 2.0.3-1 3.0-2 3.1-1 | |
| re2c | =1.3 | |
| Ubuntu Linux | =19.10 | |
| Ubuntu Linux | =20.04 | |
| Ubuntu | =19.10 | |
| Ubuntu | =20.04 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- http://www.openwall.com/lists/oss-security/2020/04/21/1
- https://blogs.gentoo.org/ago/2020/04/19/re2c-heap-overflow-in-scannerfill-scanner-cc/
- https://github.com/skvadrik/re2c/commit/c4603ba5ce229db83a2a4fb93e6d4b4e3ec3776a
- https://security.gentoo.org/glsa/202007-28
- https://usn.ubuntu.com/4338-1/
- https://usn.ubuntu.com/4338-2/
- https://www.openwall.com/lists/oss-security/2020/04/19/1
- https://launchpad.net/bugs/cve/CVE-2020-11958
- http://blogs.gentoo.org/ago/2020/04/19/re2c-heap-overflow-in-scannerfill-scanner-cc/
- https://github.com/skvadrik/re2c/commit/2f3e597abce36fb7f41413373308b7f13fc98181
- https://github.com/skvadrik/re2c/commit/1edd26a35457c5835afd58b8fa8330d33e7a1192
- https://github.com/skvadrik/re2c/commit/c4603ba5ce229db83a2a4fb93e6d4b4e3ec3776a#commitcomment-38652070
- https://security-tracker.debian.org/tracker/CVE-2020-11958
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11958
- https://nvd.nist.gov/vuln/detail/CVE-2020-11958
- https://ubuntu.com/security/CVE-2020-11958
Frequently Asked Questions
What is the severity of CVE-2020-11958?
CVE-2020-11958 is classified as a high-severity vulnerability due to its potential for remote exploitation via a heap-based buffer overflow.
How do I fix CVE-2020-11958?
To fix CVE-2020-11958, it is recommended to upgrade to re2c version 2.0.3-1 or later, depending on your package manager.
What software is affected by CVE-2020-11958?
CVE-2020-11958 affects re2c version 1.3, as well as specific versions of Debian and Ubuntu Linux distributions.
What type of vulnerability is CVE-2020-11958?
CVE-2020-11958 is a heap-based buffer overflow vulnerability that occurs in the Scanner::fill function.
Can CVE-2020-11958 be exploited remotely?
Yes, CVE-2020-11958 can potentially be exploited remotely due to the nature of the heap-based buffer overflow.
- agent/author
- agent/type
- collector/launchpad-cve
- source/Launchpad
- agent/weakness
- agent/severity
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- collector/security-tracker-debian
- source/Debian
- agent/software-canonical-lookup
- collector/usn-cve
- source/Ubuntu
- agent/references
- agent/description
- agent/first-publish-date
- agent/remedy
- agent/event
- agent/trending
- agent/source
- collector/nvd-cve
- source/NVD
- agent/software-canonical-lookup-request
- agent/tags
- agent/softwarecombine
- collector/nvd-index
- package-manager/debian
- vendor/re2c
- canonical/re2c
- version/re2c/1.3
- vendor/canonical
- canonical/ubuntu linux
- version/ubuntu linux/19.10
- version/ubuntu linux/20.04
- canonical/ubuntu
- version/ubuntu/19.10
- version/ubuntu/20.04