CVE-2019-9675

NameCVE-2019-9675
DescriptionAn issue was discovered in PHP 7.x before 7.1.27 and 7.3.x before 7.3.3. phar_tar_writeheaders_int in ext/phar/tar.c has a buffer overflow via a long link value. NOTE: The vendor indicates that the link value is used only when an archive contains a symlink, which currently cannot happen: "This issue allows theoretical compromise of security, but a practical attack is usually impossible.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-4403-1

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
php5source(unstable)(unfixed)unimportant
php7.0sourcestretch7.0.33-0+deb9u3DSA-4403-1
php7.0source(unstable)(unfixed)unimportant
php7.3source(unstable)7.3.3-1unimportant

Notes

Fixed in 7.1.27, 7.3.3
PHP Bug: https://bugs.php.net/bug.php?id=77586

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