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Debian Security Advisory DSA-4331-1                   security@debian.org
https://www.debian.org/security/                       Alessandro Ghedini
November 02, 2018                     https://www.debian.org/security/faq
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Package        : curl
CVE ID         : CVE-2018-16839 CVE-2018-16842

Two vulnerabilities were discovered in cURL, an URL transfer library.

CVE-2018-16839

    Harry Sintonen discovered that, on systems with a 32 bit size_t, an
    integer overflow would be triggered when a SASL user name longer
    than 2GB is used. This would in turn cause a very small buffer to be
    allocated instead of the intended very huge one, which would trigger
    a heap buffer overflow when the buffer is used.

CVE-2018-16842

    Brian Carpenter discovered that the logic in the curl tool to wrap
    error messages at 80 columns is flawed, leading to a read buffer
    overflow if a single word in the message is itself longer than 80
    bytes.

For the stable distribution (stretch), these problems have been fixed in
version 7.52.1-5+deb9u8.

We recommend that you upgrade your curl packages.

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

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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