CVE-2017-12896: debian debian_linux Out-of-bounds Read
CVSS: 9.8v3.1CriticalModified
AliasesUBUNTU-CVE-2017-12896DEBIAN-CVE-2017-12896
Published 14-09-2017Last modified 04-12-2025
Vulnerability summary
CVE-2017-12896 is a critical (CVSS 9.8) Out-of-bounds Read vulnerability in debian debian_linux. EPSS estimates a 3.28% chance of exploitation in the next 30 days, higher than 88.2% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
3.28%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 8 · Related 4Timeline
- 14-09-2017PublishedVulnerability first disclosed.
- 04-12-2025Last modifiedVulnerability information updated.
Description
The ISAKMP parser in tcpdump before 4.9.2 has a buffer over-read in print-isakmp.c:isakmp_rfc3948_print().
CVSS metrics
6 scores · 4 sources · 3 versionsCritical 9.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 4 agree
- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Critical 9.8Preferred score · OSV · Ubuntu (Ecosystem advisory) · calculated from vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
3.28%
Chance of exploitation in the next 30 days
Percentile
88%
Versus all other CVEs
30-day change
0.00 pp
From 3.28% on 18-09-2026
18-09-202618-10-2026
EPSS score3.28%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Redhat3 products
Debian2 products
- tcpdump< 4.9.2-1
- debian_linuxEOL9.0 | 10.0
Tcpdump1 product
- tcpdump≤ 4.9.1
Ubuntu1 product
- tcpdump< 4.9.2-0ubuntu0.14.04.1 | < 4.9.2-0ubuntu0.16.04.1
4 vendors · 7 products
References
13 links
- github.com/the-tcpdump-group/tcpdump/commit/f76e7feb41a4327d2b0978449bbdafe98d4a3771X Refsource CONFIRMIssue TrackingPatchThird Party Advisory
- github.com/the-tcpdump-group/tcpdump/commit/4e430c6b0d8b7e77c7abca7e7afb0c3e727502f2X Refsource CONFIRMIssue TrackingThird Party Advisory