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Debian Security Advisory 4561-1

Debian Security Advisory 4561-1
Posted Nov 8, 2019
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4561-1 - Alex Murray discovered a stack-based buffer overflow vulnerability in fribidi, an implementation of the Unicode Bidirectional Algorithm algorithm, which could result in denial of service or potentially the execution of arbitrary code, when processing a large number of unicode isolate directional characters.

tags | advisory, denial of service, overflow, arbitrary
systems | linux, debian
advisories | CVE-2019-18397
SHA-256 | 5fccf8379646032d9d2350ccc915e6b5645abbc025cac588a1e2a172f9f3b601

Debian Security Advisory 4561-1

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Hash: SHA512

- -------------------------------------------------------------------------
Debian Security Advisory DSA-4561-1 security@debian.org
https://www.debian.org/security/ Salvatore Bonaccorso
November 08, 2019 https://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : fribidi
CVE ID : CVE-2019-18397
Debian Bug : 944327

Alex Murray discovered a stack-based buffer overflow vulnerability in
fribidi, an implementation of the Unicode Bidirectional Algorithm
algorithm, which could result in denial of service or potentially the
execution of arbitrary code, when processing a large number of unicode
isolate directional characters.

For the stable distribution (buster), this problem has been fixed in
version 1.0.5-3.1+deb10u1.

We recommend that you upgrade your fribidi packages.

For the detailed security status of fribidi please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/fribidi

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org
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