High severity7.8NVD Advisory· Published May 18, 2018· Updated Jun 17, 2026
CVE-2018-11243
CVE-2018-11243
Description
PackLinuxElf64::unpack in p_lx_elf.cpp in UPX 3.95 allows remote attackers to cause a denial of service (double free), limit the ability of a malware scanner to operate on the entire original data, or possibly have unspecified other impact via a crafted file.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
7- osv-coords6 versionspkg:rpm/opensuse/ucl&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/ucl&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/upx&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/upx&distro=openSUSE%20Tumbleweedpkg:rpm/suse/ucl&distro=SUSE%20Package%20Hub%2015%20SP1pkg:rpm/suse/upx&distro=SUSE%20Package%20Hub%2015%20SP1
< 1.03-lp151.3.3.1+ 5 more
- (no CPE)range: < 1.03-lp151.3.3.1
- (no CPE)range: < 1.03-4.9
- (no CPE)range: < 3.96-lp151.3.3.1
- (no CPE)range: < 3.96-3.2
- (no CPE)range: < 1.03-bp151.4.3.1
- (no CPE)range: < 3.96-bp151.4.3.1
Patches
Vulnerability mechanics
References
9- github.com/upx/upx/issues/206nvdExploitThird Party Advisory
- github.com/upx/upx/issues/207nvdExploitThird Party Advisory
- github.com/upx/upx/blob/devel/NEWSnvdRelease Notes
- lists.opensuse.org/opensuse-security-announce/2020-02/msg00001.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2020-02/msg00003.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2020-02/msg00007.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2020-02/msg00008.htmlnvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D7XU42G6MUQQXHWRP7DCF2JSIBOJ5GOO/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EUTVSTXAFTD552NO2K2RIF6MDQEHP3BE/nvd
News mentions
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