CVE-2017-5843 — Multiple use-after-free vulnerabilities in the (1) gst_mini_object_unref, (2) gs

Multiple use-after-free vulnerabilities in the (1) gst_mini_object_unref, (2) gst_tag_list_unref, and (3) gst_mxf_demux_update_essence_tracks functions in GStreamer before 1.10.3 allow remote attackers to cause a denial of service (crash) via vectors involving stream tags, as dem

01What is this vulnerability?

Multiple use-after-free vulnerabilities in the (1) gst_mini_object_unref, (2) gst_tag_list_unref, and (3) gst_mxf_demux_update_essence_tracks functions in GStreamer before 1.10.3 allow remote attackers to cause a denial of service (crash) via vectors involving stream tags, as demonstrated by 02785736.mxf.

02Affected products

No structured affected-product list available — see references below for vendor advisories.

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2017-02-09T15:59:01.567
• Last modified: 2026-05-13T00:24:29.033

09References

• www.debian.org — http://www.debian.org/security/2017/dsa-3818
• www.openwall.com — http://www.openwall.com/lists/oss-security/2017/02/01/7
• www.openwall.com — http://www.openwall.com/lists/oss-security/2017/02/02/9
• www.securityfocus.com — http://www.securityfocus.com/bid/96001
• access.redhat.com — https://access.redhat.com/errata/RHSA-2017:2060
• bugzilla.gnome.org — https://bugzilla.gnome.org/show_bug.cgi?id=777503
• gstreamer.freedesktop.org — https://gstreamer.freedesktop.org/releases/1.10/#1.10.3
• lists.debian.org — https://lists.debian.org/debian-lts-announce/2020/03/msg00038.html
• security.gentoo.org — https://security.gentoo.org/glsa/201705-10
• www.debian.org — http://www.debian.org/security/2017/dsa-3818