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Vulnerabilities / CVE-2017-2640

critical

CVE-2017-2640

pidgin: Out-of-bounds write in purple_markup_unescape_entity triggered by invalid XML

Published Modified CWE 787
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat7.5CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by Red Hat (medium), Oracle (medium), Ubuntu (medium).

Description

An out-of-bounds write flaw was found in the way Pidgin before 2.12.0 processed XML content. A malicious remote server could potentially use this flaw to crash Pidgin or execute arbitrary code in the context of the pidgin process.

Affected packages and fixed versions

SourcePackageFixed in
alpine 3.2pidgin2.10.11-r1
alpine 3.3pidgin2.10.11-r3
alpine 3.4pidgin2.11.0-r1
alpine 3.5pidgin2.11.0-r1
debian 11pidgin2.12.0-1
debian 12pidgin2.12.0-1
debian 13pidgin2.12.0-1
debian 14pidgin2.12.0-1
debian 7pidgin2.10.10-1~deb7u3
debian 8pidgin2.11.0-0+deb8u2
echopidgin2.12.0-1
Oracle Linux 7finch, finch-devel, libpurple and 6 more2.10.11-5.el7
Show all 36 entries from 19 sources
SourcePackageFixed in
alpine 3.2pidgin2.10.11-r1
alpine 3.3pidgin2.10.11-r3
alpine 3.4pidgin2.11.0-r1
alpine 3.5pidgin2.11.0-r1
debian 11pidgin2.12.0-1
debian 12pidgin2.12.0-1
debian 13pidgin2.12.0-1
debian 14pidgin2.12.0-1
debian 7pidgin2.10.10-1~deb7u3
debian 8pidgin2.11.0-0+deb8u2
echopidgin2.12.0-1
Oracle Linux 7finch2.10.11-5.el7
Oracle Linux 7finch-devel2.10.11-5.el7
Oracle Linux 7libpurple2.10.11-5.el7
Oracle Linux 7libpurple-devel2.10.11-5.el7
Oracle Linux 7libpurple-perl2.10.11-5.el7
Oracle Linux 7libpurple-tcl2.10.11-5.el7
Oracle Linux 7pidgin2.10.11-5.el7
Oracle Linux 7pidgin-devel2.10.11-5.el7
Oracle Linux 7pidgin-perl2.10.11-5.el7
Red Hatfinchno fix listed
Red Hatfinch-develno fix listed
Red Hatlibpurpleno fix listed
Red Hatlibpurple-develno fix listed
Red Hatlibpurple-perlno fix listed
Red Hatlibpurple-tclno fix listed
Red Hatpidginno fix listed
Red Hatpidgin-develno fix listed
Red Hatpidgin-docsno fix listed
Red Hatpidgin-perlno fix listed
ubuntu 12.04pidgin1:2.10.3-0ubuntu1.8
ubuntu 14.04pidgin1:2.10.9-0ubuntu3.4
ubuntu 14.04-ESMpidgin1:2.10.9-0ubuntu3.4
ubuntu 16.04pidgin1:2.10.12-0ubuntu5.2
ubuntu 16.04-ESMpidgin1:2.10.12-0ubuntu5.2
ubuntu 16.10pidgin1:2.10.12-0ubuntu9.1

References

All 12 references

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.