CVE-2017-7778: debian debian_linux
CVSS: 9.8v3.0CriticalModified
AliasesUBUNTU-CVE-2017-7778DEBIAN-CVE-2017-7778
Published 11-06-2018Last modified 05-08-2024
Vulnerability summary
CVE-2017-7778 is a critical (CVSS 9.8) vulnerability in debian debian_linux. EPSS estimates a 5.05% chance of exploitation in the next 30 days, higher than 92.1% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.0 (NVD)EPSS score
5.05%
0%100%
Low · -0.10 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 20 · Related 7Timeline
- 11-06-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
A number of security vulnerabilities in the Graphite 2 library including out-of-bounds reads, buffer overflow reads and writes, and the use of uninitialized memory. These issues were addressed in Graphite 2 version 1.3.10. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2.
CVSS metrics
4 scores · 3 sources · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
5.05%
Chance of exploitation in the next 30 days
Percentile
92%
Versus all other CVEs
30-day change
-0.10 pp
From 5.15% on 18-09-2026
18-09-202618-10-2026
EPSS score5.05%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
- CWE-125Out-of-bounds ReadThe product reads data past the end, or before the beginning, of the intended buffer.
- CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
Affected systems
Debian3 products
- firefox-esr< 52.2.0esr-1
- graphite2< 1.3.10-1
- debian_linuxEOL8.0 | 9.0
Mozilla3 products
- firefox≥ unspecified, < 54 | < 52.2.0 | < 54.0
- firefox_esr≥ unspecified, < 52.2
- thunderbird≥ unspecified, < 52.2 | < 52.2.0
Ubuntu3 products
- firefox< 54.0+build3-0ubuntu0.14.04.1 | < 54.0+build3-0ubuntu0.16.04.1
- graphite2< 1.3.10-0ubuntu0.14.04.1 | < 1.3.10-0ubuntu0.16.04.1
- thunderbird< 1:52.2.1+build1-0ubuntu0.14.04.1 | < 1:52.2.1+build1-0ubuntu0.16.04.1
Sil1 product
- graphite2< 1.3.10
4 vendors · 10 products