CVE-2018-18661 — NULL Pointer Dereference in Libtiff

CWE-476 — NULL Pointer DereferenceCWE-121 — Stack-based Buffer Overflow10 documents7 sources
Severity
6.5MEDIUMNVD
EPSS
0.2%
top 62.51%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Debian TiffCanonical Ubuntu LinuxLibtiff
Timeline
PublishedOct 26
Latest updateMay 14

Description

An issue was discovered in LibTIFF 4.0.9. There is a NULL pointer dereference in the function LZWDecode in the file tif_lzw.c.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages2 packages

▶NVDlibtiff/libtiff4.0.9
▶debiandebian/tiff< tiff 4.0.10-1 (bookworm)

Also affects: Ubuntu Linux 14.04, 16.04, 18.04, 18.10

Patches

Patch: bugzilla.maptools.org ↗Patch: bugzilla.maptools.org ↗

🔴Vulnerability Details

2
GHSA
GHSA-49q9-9f29-jccf: An issue was discovered in LibTIFF 4↗2022-05-14
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OSV
CVE-2018-18661: An issue was discovered in LibTIFF 4↗2018-10-26
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📋Vendor Advisories

3
Ubuntu
LibTIFF vulnerabilities↗2019-01-22
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Red Hat
libtiff: tiff2bw tool failed memory allocation leads to crash↗2018-10-25
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Debian
CVE-2018-18661: tiff - An issue was discovered in LibTIFF 4.0.9. There is a NULL pointer dereference in...↗2018
▶

💬Community

4
Bugzilla
CVE-2018-18661 mingw-libtiff: libtiff: tiff2bw tool failed memory allocation leads to crash [epel-7]↗2018-10-30
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Bugzilla
CVE-2018-18661 libtiff: tiff2bw tool failed memory allocation leads to crash [fedora-all]↗2018-10-30
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Bugzilla
CVE-2018-18661 mingw-libtiff: libtiff: tiff2bw tool failed memory allocation leads to crash [fedora-all]↗2018-10-30
▶
Bugzilla
CVE-2018-18661 libtiff: tiff2bw tool failed memory allocation leads to crash↗2018-10-30
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