New curl packages are available for Slackware 13.0, 13.1, 13.37, 14.0, 14.1, 14.2, and -current to fix a security issue.

After testing original CVE-2016-5420 patch, it was discovered that libcurl built on top of NSS (Network Security Services) still incorrectly re-uses client certificates if a certificate from file is used for one TLS connection but no certificate is set for a subsequent TLS connection.

This update for curl fixes the following security issues :

  - CVE-2016-8624: invalid URL parsing with '#'     (bsc#1005646)

  - CVE-2016-8623: Use-after-free via shared cookies     (bsc#1005645)

  - CVE-2016-8622: URL unescape heap overflow via integer     truncation (bsc#1005643)

  - CVE-2016-8621: curl_getdate read out of bounds     (bsc#1005642)

  - CVE-2016-8620: glob parser write/read out of bounds     (bsc#1005640)

  - CVE-2016-8619: double-free in krb5 code (bsc#1005638)

  - CVE-2016-8618: double-free in curl_maprintf     (bsc#1005637)

  - CVE-2016-8617: OOB write via unchecked multiplication     (bsc#1005635)

  - CVE-2016-8616: case insensitive password comparison     (bsc#1005634)

  - CVE-2016-8615: cookie injection for other servers     (bsc#1005633)

  - CVE-2016-7167: escape and unescape integer overflows     (bsc#998760)

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update for curl fixes the following security issues :

  - CVE-2016-8624: invalid URL parsing with '#'     (bsc#1005646)

  - CVE-2016-8623: Use-after-free via shared cookies     (bsc#1005645)

  - CVE-2016-8621: curl_getdate read out of bounds     (bsc#1005642)

  - CVE-2016-8619: double-free in krb5 code (bsc#1005638)

  - CVE-2016-8618: double-free in curl_maprintf     (bsc#1005637)

  - CVE-2016-8617: OOB write via unchecked multiplication     (bsc#1005635)

  - CVE-2016-8616: case insensitive password comparison     (bsc#1005634)

  - CVE-2016-8615: cookie injection for other servers     (bsc#1005633)

  - CVE-2016-7167: escape and unescape integer overflows     (bsc#998760)

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

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

CVE-2016-7141

When built with NSS and the libnsspem.so library is available at runtime, allows an remote attacker to hijack the authentication of a TLS connection by leveraging reuse of a previously loaded client certificate from file for a connection for which no certificate has been set, a different vulnerability than CVE-2016-5420.

CVE-2016-7167

Multiple integer overflows in the (1) curl_escape, (2) curl_easy_escape, (3) curl_unescape, and (4) curl_easy_unescape functions in libcurl allow attackers to have unspecified impact via a string of length 0xffffffff, which triggers a heap-based buffer overflow.

CVE-2016-9586

Curl is vulnerable to a buffer overflow when doing a large floating point output in libcurl's implementation of the printf() functions. If there are any applications that accept a format string from the outside without necessary input filtering, it could allow remote attacks.

CVE-2018-16839

Curl is vulnerable to a buffer overrun in the SASL authentication code that may lead to denial of service.

CVE-2018-16842

Curl is vulnerable to a heap-based buffer over-read in the tool_msgs.c:voutf() function that may result in information exposure and denial of service.

For Debian 8 'Jessie', these problems have been fixed in version 7.38.0-4+deb8u13.

We recommend that you upgrade your curl packages.

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

- reject negative string lengths in curl_easy_[un]escape()     (CVE-2016-7167)

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

It was discovered that the four four libcurl functions curl_escape(), curl_easy_escape(), curl_unescape and curl_easy_unescape accepted negative sting length inputs.

For Debian 7 'Wheezy', these problems have been fixed in version 7.26.0-1+wheezy16.

We recommend that you upgrade your curl packages.

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote MiracleLinux 4 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2019-3745:01 advisory.

    * httpd: Improper handling of headers in mod_session can allow a remote user to modify session data for     CGI applications (CVE-2018-1283)
    * httpd: Out of bounds read in mod_cache_socache can allow a remote attacker to cause DoS (CVE-2018-1303)
    * httpd: mod_http2: Too much time allocated to workers, possibly leading to DoS (CVE-2018-1333)
    * httpd: DoS for HTTP/2 connections by continuous SETTINGS frames (CVE-2018-11763)
    * httpd: Out of bounds write in mod_authnz_ldap when using too small Accept-Language values     (CVE-2017-15710)
    * httpd:  bypass with a trailing newline in the file name (CVE-2017-15715)
    * httpd: Out of bounds access after failure in reading the HTTP request (CVE-2018-1301)
    * httpd: Weak Digest auth nonce generation in mod_auth_digest (CVE-2018-1312)
    * curl: Multiple security issues were fixed in httpd24-curl (CVE-2016-5419, CVE-2016-5420, CVE-2016-5421,     CVE-2016-7141, CVE-2016-7167, CVE-2016-8615, CVE-2016-8616, CVE-2016-8617, CVE-2016-8618, CVE-2016-8619,     CVE-2016-8620, CVE-2016-8621, CVE-2016-8622, CVE-2016-8623, CVE-2016-8624, CVE-2016-8625, CVE-2016-9586,     CVE-2017-1000100, CVE-2017-1000101, CVE-2017-1000254, CVE-2017-1000257, CVE-2017-7407, CVE-2017-8816,     CVE-2017-8817, CVE-2018-1000007, CVE-2018-1000120, CVE-2018-1000121, CVE-2018-1000122, CVE-2018-1000301,     CVE-2018-14618)

Tenable has extracted the preceding description block directly from the MiracleLinux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Rocky Linux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ ciqsa-2026_1401 advisory.

    This advisory aggregates security fixes for the curl SRPM in CIQ LTS 9.6. It addresses 148 CVEs:
    CVE-2023-32001, CVE-2022-27775, CVE-2018-1000005, CVE-2022-27774, CVE-2022-32221, and 143 more.

Tenable has extracted the preceding description block directly from the CIQ security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	名前	製品	ファミリー	公開日	更新日	深刻度
93535	Slackware 13.0 / 13.1 / 13.37 / 14.0 / 14.1 / 14.2 / current : curl (SSA:2016-259-01)	Nessus	Slackware Local Security Checks	2016/9/16	2026/1/23	critical
93743	Amazon Linux AMI : curl (ALAS-2016-742)	Nessus	Amazon Linux Local Security Checks	2016/9/28	2026/1/23	critical
94506	SUSE SLED12 / SLES12 Security Update : curl (SUSE-SU-2016:2699-1)	Nessus	SuSE Local Security Checks	2016/11/3	2026/1/20	critical
94572	SUSE SLES11 Security Update : curl (SUSE-SU-2016:2714-1)	Nessus	SuSE Local Security Checks	2016/11/4	2026/1/20	critical
118753	Debian DLA-1568-1 : curl security update	Nessus	Debian Local Security Checks	2018/11/7	2024/7/25	critical
94770	Fedora 25 : curl (2016-08533fc59c)	Nessus	Fedora Local Security Checks	2016/11/15	2026/1/19	critical
93565	Debian DLA-625-1 : curl security update	Nessus	Debian Local Security Checks	2016/9/19	2026/1/23	critical
289425	MiracleLinux 4 : httpd24-nghttp2-1.7.1-7.AXS4, httpd24-curl-7.61.1-1.AXS4, httpd24-httpd-2.4.34-7.AXS4 (AXSA:2019-3745:01)	Nessus	Miracle Linux Local Security Checks	2026/1/16	2026/1/16	critical
353701	Rocky Linux 9.6 [CIQ] Security Update: curl / curl-minimal / libcurl / libcurl-devel / libcurl-minimal Multiple Vulnerabilities (ciqsa-2026_1401)	Nessus	Rocky Linux Local Security Checks	2026/10/1	2026/10/13	critical

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