High severity8.8NVD Advisory· Published Oct 22, 2018· Updated Jun 17, 2026
CVE-2018-18557
CVE-2018-18557
Description
LibTIFF 3.9.3, 3.9.4, 3.9.5, 3.9.6, 3.9.7, 4.0.0alpha4, 4.0.0alpha5, 4.0.0alpha6, 4.0.0beta7, 4.0.0, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.0.4beta, 4.0.5, 4.0.6, 4.0.7, 4.0.8 and 4.0.9 (with JBIG enabled) decodes arbitrarily-sized JBIG into a buffer, ignoring the buffer size, which leads to a tif_jbig.c JBIGDecode out-of-bounds write.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
20cpe:2.3:a:libtiff:libtiff:4.0.9:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:libtiff:libtiff:4.0.9:*:*:*:*:*:*:*
- (no CPE)range: 3.9.3, 3.9.4, 3.9.5, 3.9.6, 3.9.7, 4.0.0alpha4, 4.0.0alpha5, 4.0.0alpha6, 4.0.0beta7, 4.0.0, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.0.4beta, 4.0.5, 4.0.6, 4.0.7, 4.0.8 and 4.0.9
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*+ 3 more
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
- osv-coords12 versionspkg:rpm/opensuse/tiff&distro=openSUSE%20Tumbleweedpkg:rpm/suse/tiff&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP3pkg:rpm/suse/tiff&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP4pkg:rpm/suse/tiff&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015pkg:rpm/suse/tiff&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015pkg:rpm/suse/tiff&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015pkg:rpm/suse/tiff&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3pkg:rpm/suse/tiff&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4pkg:rpm/suse/tiff&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/tiff&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/tiff&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP3pkg:rpm/suse/tiff&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP4
< 4.3.0-1.3+ 11 more
- (no CPE)range: < 4.3.0-1.3
- (no CPE)range: < 4.0.9-44.27.1
- (no CPE)range: < 4.0.9-44.27.1
- (no CPE)range: < 4.0.9-5.17.1
- (no CPE)range: < 4.0.9-5.17.1
- (no CPE)range: < 4.0.9-5.17.1
- (no CPE)range: < 4.0.9-44.27.1
- (no CPE)range: < 4.0.9-44.27.1
- (no CPE)range: < 4.0.9-44.27.1
- (no CPE)range: < 4.0.9-44.27.1
- (no CPE)range: < 4.0.9-44.27.1
- (no CPE)range: < 4.0.9-44.27.1
Patches
Vulnerability mechanics
References
10- www.exploit-db.com/exploits/45694/nvdExploitThird Party AdvisoryVDB Entry
- gitlab.com/libtiff/libtiff/merge_requests/38nvdThird Party Advisory
- lists.debian.org/debian-lts-announce/2018/10/msg00019.htmlnvdMailing ListThird Party Advisory
- usn.ubuntu.com/3864-1/nvdThird Party Advisory
- www.debian.org/security/2018/dsa-4349nvdThird Party Advisory
- access.redhat.com/errata/RHSA-2019:2053nvd
- github.com/Hack-Me/Pocs_for_Multi_Versions/tree/main/CVE-2018-18557nvd
- gitlab.com/libtiff/libtiff/commit/681748ec2f5ce88da5f9fa6831e1653e46af8a66nvd
- security.gentoo.org/glsa/201904-15nvd
- usn.ubuntu.com/3906-2/nvd
News mentions
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