CVE-2017-11695
Heap-based buffer overflow in the alloc_segs function in lib/dbm/src/hash.c in Mozilla Network...
Heap-based buffer overflow in the alloc_segs function in lib/dbm/src/hash.c in Mozilla Network Security Services (NSS) allows context-dependent attackers to have unspecified impact using a crafted cert8.db file.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Heap-based buffer overflow in the alloc_segs function in lib/dbm/src/hash.c in Mozilla Network Security Services (NSS) allows context-dependent attackers to have unspecified impact using a crafted cert8.db file.
- Record
CVE-2017-11695- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE List No score
Heap-based buffer overflow in the alloc_segs function in lib/dbm/src/hash.c in Mozilla Network Security Services (NSS) allows context-dependent attackers to have unspecified impact using a crafted cert8.db file.
- Record
CVE-2017-11695- Updated
- 2026-11-02
EUVDEUVD-2017-3305 No score
Heap-based buffer overflow in the alloc_segs function in lib/dbm/src/hash.c in Mozilla Network Security Services (NSS) allows context-dependent attackers to have unspecified impact using a crafted cert8.db file.
- Record
EUVD-2017-3305- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-75ch-76r4-7ff3
Heap-based buffer overflow in the alloc_segs function in lib/dbm/src/hash.c in Mozilla Network...
Heap-based buffer overflow in the alloc_segs function in lib/dbm/src/hash.c in Mozilla Network Security Services (NSS) allows context-dependent attackers to have unspecified impact using a crafted cert8.db file.
- Record
GHSA-75ch-76r4-7ff3- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-119
- Updated
- 2026-11-02
OSV
Heap-based buffer overflow in the alloc_segs function in lib/dbm/src/hash.c in Mozilla Network Security Services (NSS) allows context-dependent attackers to have unspecified impact using a crafted cert8.db file.
- Record
CVE-2017-11695- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2017-11695
Heap-based buffer overflow in the alloc_segs function in lib/dbm/src/hash.c in Mozilla Network Security Services (NSS) allows context-dependent attackers to have unspecified impact using a crafted cert8.db file.
- Record
DEBIAN-CVE-2017-11695- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2017-11695
Heap-based buffer overflow in the alloc_segs function in lib/dbm/src/hash.c in Mozilla Network Security Services (NSS) allows context-dependent attackers to have unspecified impact using a crafted cert8.db file.
- Record
UBUNTU-CVE-2017-11695- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
nssDebian:12 |
All versions, plus listed versions 2:3.100-12:3.101-12:3.102-12:3.103-12:3.105-1 Show 38 moreShow less2:3.105-22:3.106-12:3.107-12:3.108-12:3.109-12:3.110-12:3.111-12:3.112-12:3.114-12:3.116-12:3.117-12:3.119-12:3.120-12:3.121-12:3.123-12:3.123.1-12:3.124-12:3.126-12:3.127-12:3.87.1-12:3.87.1-1+deb12u12:3.87.1-1+deb12u22:3.87.1-1+deb12u32:3.87.1-1+deb12u42:3.87.1-1+x322:3.89-12:3.89-22:3.90-12:3.90-22:3.90-32:3.91-12:3.92-12:3.93-12:3.94-12:3.95-12:3.96.1-12:3.98-12:3.99-1 |
None known |
nssDebian:13 |
All versions, plus listed versions 2:3.110-12:3.110-1+deb13u12:3.110-1+deb13u22:3.110-1+deb13u32:3.110-1+deb13u4 Show 13 moreShow less2:3.111-12:3.112-12:3.114-12:3.116-12:3.117-12:3.119-12:3.120-12:3.121-12:3.123-12:3.123.1-12:3.124-12:3.126-12:3.127-1 |
None known |
nssDebian:14 |
All versions, plus listed versions 2:3.110-12:3.111-12:3.112-12:3.114-12:3.116-1 Show 9 moreShow less2:3.117-12:3.119-12:3.120-12:3.121-12:3.123-12:3.123.1-12:3.124-12:3.126-12:3.127-1 |
None known |
nssUbuntu:Pro:14.04:LTS |
All versions, plus listed versions 2:3.15.1-1ubuntu12:3.15.2-12:3.15.3-12:3.15.3.1-12:3.15.3.1-1.1 Show 37 moreShow less2:3.15.3.1-1.1ubuntu12:3.15.4-1ubuntu32:3.15.4-1ubuntu42:3.15.4-1ubuntu52:3.15.4-1ubuntu62:3.15.4-1ubuntu72:3.15.4-1ubuntu7.12:3.17-0ubuntu0.14.04.12:3.17.1-0ubuntu0.14.04.12:3.17.1-0ubuntu0.14.04.22:3.17.4-0ubuntu0.14.04.12:3.19.2-0ubuntu0.14.04.12:3.19.2.1-0ubuntu0.14.04.12:3.19.2.1-0ubuntu0.14.04.22:3.21-0ubuntu0.14.04.12:3.21-0ubuntu0.14.04.22:3.23-0ubuntu0.14.04.12:3.26.2-0ubuntu0.14.04.32:3.28.4-0ubuntu0.14.04.12:3.28.4-0ubuntu0.14.04.22:3.28.4-0ubuntu0.14.04.32:3.28.4-0ubuntu0.14.04.42:3.28.4-0ubuntu0.14.04.52:3.28.4-0ubuntu0.14.04.5+esm12:3.28.4-0ubuntu0.14.04.5+esm22:3.28.4-0ubuntu0.14.04.5+esm32:3.28.4-0ubuntu0.14.04.5+esm42:3.28.4-0ubuntu0.14.04.5+esm52:3.28.4-0ubuntu0.14.04.5+esm62:3.28.4-0ubuntu0.14.04.5+esm72:3.28.4-0ubuntu0.14.04.5+esm82:3.28.4-0ubuntu0.14.04.5+esm92:3.28.4-0ubuntu0.14.04.5+esm102:3.28.4-0ubuntu0.14.04.5+esm112:3.28.4-0ubuntu0.14.04.5+esm122:3.28.4-0ubuntu0.14.04.5+esm132:3.28.4-0ubuntu0.14.04.5+esm14 |
None known |
nssUbuntu:Pro:16.04:LTS |
All versions, plus listed versions 2:3.19.2-1ubuntu12:3.19.2.1-0ubuntu12:3.21-1ubuntu22:3.21-1ubuntu32:3.21-1ubuntu4 Show 21 moreShow less2:3.23-0ubuntu0.16.04.12:3.26.2-0ubuntu0.16.04.22:3.28.4-0ubuntu0.16.04.12:3.28.4-0ubuntu0.16.04.22:3.28.4-0ubuntu0.16.04.32:3.28.4-0ubuntu0.16.04.42:3.28.4-0ubuntu0.16.04.52:3.28.4-0ubuntu0.16.04.62:3.28.4-0ubuntu0.16.04.82:3.28.4-0ubuntu0.16.04.92:3.28.4-0ubuntu0.16.04.102:3.28.4-0ubuntu0.16.04.112:3.28.4-0ubuntu0.16.04.122:3.28.4-0ubuntu0.16.04.132:3.28.4-0ubuntu0.16.04.142:3.28.4-0ubuntu0.16.04.14+esm12:3.28.4-0ubuntu0.16.04.14+esm22:3.28.4-0ubuntu0.16.04.14+esm32:3.28.4-0ubuntu0.16.04.14+esm42:3.28.4-0ubuntu0.16.04.14+esm52:3.28.4-0ubuntu0.16.04.14+esm6 |
None known |
nssUbuntu:Pro:18.04:LTS |
All versions, plus listed versions 2:3.32-1ubuntu32:3.34-1ubuntu12:3.35-2ubuntu22:3.35-2ubuntu2.12:3.35-2ubuntu2.2 Show 14 moreShow less2:3.35-2ubuntu2.32:3.35-2ubuntu2.52:3.35-2ubuntu2.62:3.35-2ubuntu2.72:3.35-2ubuntu2.82:3.35-2ubuntu2.92:3.35-2ubuntu2.112:3.35-2ubuntu2.122:3.35-2ubuntu2.132:3.35-2ubuntu2.142:3.35-2ubuntu2.152:3.35-2ubuntu2.162:3.35-2ubuntu2.16+esm12:3.35-2ubuntu2.16+esm2 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-11695 is a high vulnerability (CVSS 7.8) in Mozilla Network Security Services, published December 27, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.73%, the 54th percentile. No source names a fixed version.