CVE-2017-17942: libtiff Out-of-bounds Read
CVSS: 8.8v3.0HighModified
AliasesUBUNTU-CVE-2017-17942DEBIAN-CVE-2017-17942
Published 28-12-2017Last modified 05-08-2024
Vulnerability summary
CVE-2017-17942 is a high (CVSS 8.8) Out-of-bounds Read vulnerability in libtiff. EPSS estimates a 2.41% chance of exploitation in the next 30 days, higher than 83.8% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
8.8/10
010
High · v3.0 (NVD)EPSS score
2.41%
0%100%
Low · -0.02 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 4 · Related 3Timeline
- 28-12-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
In LibTIFF 4.0.9, there is a heap-based buffer over-read in the function PackBitsEncode in tif_packbits.c.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 8.8Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated8.8HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
2.41%
Chance of exploitation in the next 30 days
Percentile
84%
Versus all other CVEs
30-day change
-0.02 pp
From 2.43% on 18-09-2026
18-09-202618-10-2026
EPSS score2.41%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (bugzilla.maptools.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Debian1 product
- tiff< 4.0.6-3
Libtiff1 product
- libtiff4.0.9
Ubuntu1 product
- tiffAll versions (No fix recorded)
3 vendors · 3 products
References
5 links- bugzilla.maptools.org/show_bug.cgi?id=2767X Refsource MISCExploitIssue TrackingThird Party AdvisoryVDB Entry