critical9.8
CVE-2021-26937
encoding.c in GNU Screen through 4.8.0 allows remote attackers to cause a denial of service (invalid write access and application crash) or possibly have unspe…
Impact
encoding.c in GNU Screen through 4.8.0 allows remote attackers to cause a denial of service (invalid write access and application crash) or possibly have unspecified other impact via a crafted UTF-8 character sequence.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Gnu | Screen | through 4.8.0 |
| Debian | Debian Linux | Versions 9.0, 10.0 |
| Fedoraproject | Fedora | Versions 32, 33 |
Weakness classification
References
- NVD record
- CVE.org record
- http://www.openwall.com/lists/oss-security/2021/02/09/8
- https://ftp.gnu.org/gnu/screen/
- https://lists.debian.org/debian-lts-announce/2021/02/msg00031.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GNWBOIDEPOEQS5RMQVMFKHKXJCGNYWBL/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JJWLXP45POUUYBJRRWPVAWNZDJTLYWVM/
- https://lists.gnu.org/archive/html/screen-devel/2021-02/msg00000.html
- https://security.gentoo.org/glsa/202105-11
- https://www.debian.org/security/2021/dsa-4861
- https://www.openwall.com/lists/oss-security/2021/02/09/3
- http://www.openwall.com/lists/oss-security/2021/02/09/8
- https://ftp.gnu.org/gnu/screen/
- https://lists.debian.org/debian-lts-announce/2021/02/msg00031.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GNWBOIDEPOEQS5RMQVMFKHKXJCGNYWBL/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JJWLXP45POUUYBJRRWPVAWNZDJTLYWVM/
- https://lists.gnu.org/archive/html/screen-devel/2021-02/msg00000.html
- https://security.gentoo.org/glsa/202105-11
- https://security.netapp.com/advisory/ntap-20250509-0004/
- https://www.debian.org/security/2021/dsa-4861
- https://www.openwall.com/lists/oss-security/2021/02/09/3